./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product33.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 fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:12,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:12,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:12,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:12,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:12,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:12,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:12,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:12,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:12,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:12,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:12,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:12,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:12,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:12,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:12,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:12,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:12,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:12,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:12,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:12,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:12,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:12,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:12,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:12,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:12,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:12,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:12,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:12,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:12,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:12,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:12,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:12,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:12,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:12,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:12,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:12,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:12,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:12,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:12,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:12,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:12,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:12,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:12,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:12,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:12,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:12,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:12,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:12,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:12,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:12,457 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:12,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:12,457 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:12,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:12,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:12,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:12,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:12,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:12,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:12,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:12,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:12,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:12,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:12,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:12,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:12,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:12,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:12,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:12,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:12,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:12,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fff07e5b9817da9e6fd154070162cff001ebe527349ae31a2f1e574ef0fb9f98 [2021-12-16 01:01:12,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:12,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:12,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:12,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:12,704 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:12,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-12-16 01:01:12,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d585234/d46960dae2f842fc8b11cf1f5fc14192/FLAG54d4b8e9d [2021-12-16 01:01:13,145 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:13,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-12-16 01:01:13,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d585234/d46960dae2f842fc8b11cf1f5fc14192/FLAG54d4b8e9d [2021-12-16 01:01:13,169 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4d585234/d46960dae2f842fc8b11cf1f5fc14192 [2021-12-16 01:01:13,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:13,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:13,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:13,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:13,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:13,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6901084c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13, skipping insertion in model container [2021-12-16 01:01:13,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:13,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:13,514 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_product33.cil.c[16170,16183] [2021-12-16 01:01:13,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:13,543 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:13,585 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_product33.cil.c[16170,16183] [2021-12-16 01:01:13,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:13,603 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:13,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13 WrapperNode [2021-12-16 01:01:13,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:13,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:13,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:13,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:13,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,663 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 228 [2021-12-16 01:01:13,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:13,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:13,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:13,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:13,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:13,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:13,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:13,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:13,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (1/1) ... [2021-12-16 01:01:13,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:13,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:13,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 01:01:13,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 01:01:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:13,766 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:13,766 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:13,844 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:13,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:14,172 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:14,176 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:14,177 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:14,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:14 BoogieIcfgContainer [2021-12-16 01:01:14,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:14,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:14,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:14,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:14,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:13" (1/3) ... [2021-12-16 01:01:14,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3016406b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:14, skipping insertion in model container [2021-12-16 01:01:14,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:13" (2/3) ... [2021-12-16 01:01:14,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3016406b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:14, skipping insertion in model container [2021-12-16 01:01:14,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:14" (3/3) ... [2021-12-16 01:01:14,198 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-12-16 01:01:14,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:14,201 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:14,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:14,279 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 01:01:14,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 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) [2021-12-16 01:01:14,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:14,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,347 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] [2021-12-16 01:01:14,348 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,357 INFO L85 PathProgramCache]: Analyzing trace with hash 627967517, now seen corresponding path program 1 times [2021-12-16 01:01:14,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550902099] [2021-12-16 01:01:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:14,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550902099] [2021-12-16 01:01:14,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550902099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:14,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188495622] [2021-12-16 01:01:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:14,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:14,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:14,700 INFO L87 Difference]: Start difference. First operand has 80 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 68 states have internal predecessors, (86), 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) [2021-12-16 01:01:14,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,733 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2021-12-16 01:01:14,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:14,735 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 [2021-12-16 01:01:14,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,743 INFO L225 Difference]: With dead ends: 151 [2021-12-16 01:01:14,743 INFO L226 Difference]: Without dead ends: 71 [2021-12-16 01:01:14,747 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 [2021-12-16 01:01:14,750 INFO L933 BasicCegarLoop]: 100 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, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-12-16 01:01:14,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-12-16 01:01:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.309090909090909) internal successors, (72), 60 states have internal predecessors, (72), 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) [2021-12-16 01:01:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2021-12-16 01:01:14,787 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 32 [2021-12-16 01:01:14,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,787 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2021-12-16 01:01:14,787 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) [2021-12-16 01:01:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2021-12-16 01:01:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 01:01:14,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,791 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:14,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:14,793 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,793 INFO L85 PathProgramCache]: Analyzing trace with hash 904354069, now seen corresponding path program 1 times [2021-12-16 01:01:14,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700655600] [2021-12-16 01:01:14,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 01:01:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:14,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700655600] [2021-12-16 01:01:14,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700655600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:14,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764315404] [2021-12-16 01:01:14,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:14,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:14,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:14,883 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:14,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:14,904 INFO L93 Difference]: Finished difference Result 107 states and 137 transitions. [2021-12-16 01:01:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:14,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 01:01:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:14,907 INFO L225 Difference]: With dead ends: 107 [2021-12-16 01:01:14,907 INFO L226 Difference]: Without dead ends: 62 [2021-12-16 01:01:14,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:14,909 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 12 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:14,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:14,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-12-16 01:01:14,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-16 01:01:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 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) [2021-12-16 01:01:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2021-12-16 01:01:14,914 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 33 [2021-12-16 01:01:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:14,914 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2021-12-16 01:01:14,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2021-12-16 01:01:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-16 01:01:14,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:14,915 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] [2021-12-16 01:01:14,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:14,915 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:14,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:14,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1553895651, now seen corresponding path program 1 times [2021-12-16 01:01:14,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:14,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511589791] [2021-12-16 01:01:14,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:14,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 01:01:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:14,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:14,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511589791] [2021-12-16 01:01:14,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511589791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:14,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:14,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:14,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717256171] [2021-12-16 01:01:14,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:14,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:14,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:14,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:14,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:14,998 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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) [2021-12-16 01:01:15,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,084 INFO L93 Difference]: Finished difference Result 116 states and 151 transitions. [2021-12-16 01:01:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 01:01:15,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 [2021-12-16 01:01:15,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,086 INFO L225 Difference]: With dead ends: 116 [2021-12-16 01:01:15,086 INFO L226 Difference]: Without dead ends: 62 [2021-12-16 01:01:15,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:15,094 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 107 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:15,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 160 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-12-16 01:01:15,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-12-16 01:01:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 54 states have internal predecessors, (64), 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) [2021-12-16 01:01:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2021-12-16 01:01:15,111 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 37 [2021-12-16 01:01:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,135 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-12-16 01:01:15,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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) [2021-12-16 01:01:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2021-12-16 01:01:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-16 01:01:15,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,138 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] [2021-12-16 01:01:15,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:15,139 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1104761714, now seen corresponding path program 1 times [2021-12-16 01:01:15,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262332709] [2021-12-16 01:01:15,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 01:01:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 01:01:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:15,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262332709] [2021-12-16 01:01:15,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262332709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:15,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512485194] [2021-12-16 01:01:15,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:15,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:15,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:15,216 INFO L87 Difference]: Start difference. First operand 62 states and 78 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) [2021-12-16 01:01:15,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,251 INFO L93 Difference]: Finished difference Result 159 states and 205 transitions. [2021-12-16 01:01:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:15,251 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 [2021-12-16 01:01:15,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,252 INFO L225 Difference]: With dead ends: 159 [2021-12-16 01:01:15,252 INFO L226 Difference]: Without dead ends: 105 [2021-12-16 01:01:15,253 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 [2021-12-16 01:01:15,253 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 47 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 151 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 [2021-12-16 01:01:15,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 151 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:15,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-12-16 01:01:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-12-16 01:01:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.3) internal successors, (104), 86 states have internal predecessors, (104), 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) [2021-12-16 01:01:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2021-12-16 01:01:15,261 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 42 [2021-12-16 01:01:15,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,261 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2021-12-16 01:01:15,261 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) [2021-12-16 01:01:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2021-12-16 01:01:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-16 01:01:15,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,262 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:15,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:15,263 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,266 INFO L85 PathProgramCache]: Analyzing trace with hash 731559770, now seen corresponding path program 1 times [2021-12-16 01:01:15,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458058174] [2021-12-16 01:01:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 01:01:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:15,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458058174] [2021-12-16 01:01:15,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458058174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:15,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596774811] [2021-12-16 01:01:15,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:15,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:15,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:15,332 INFO L87 Difference]: Start difference. First operand 103 states and 130 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-16 01:01:15,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,376 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2021-12-16 01:01:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:15,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 46 [2021-12-16 01:01:15,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,378 INFO L225 Difference]: With dead ends: 217 [2021-12-16 01:01:15,378 INFO L226 Difference]: Without dead ends: 122 [2021-12-16 01:01:15,378 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 [2021-12-16 01:01:15,381 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 45 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 369 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 [2021-12-16 01:01:15,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 369 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:15,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-12-16 01:01:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2021-12-16 01:01:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 89 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) [2021-12-16 01:01:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2021-12-16 01:01:15,403 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 46 [2021-12-16 01:01:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,403 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2021-12-16 01:01:15,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-12-16 01:01:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2021-12-16 01:01:15,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-16 01:01:15,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,404 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:15,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:15,404 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash -856788132, now seen corresponding path program 1 times [2021-12-16 01:01:15,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291543519] [2021-12-16 01:01:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 01:01:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:15,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291543519] [2021-12-16 01:01:15,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291543519] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:15,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541128401] [2021-12-16 01:01:15,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:15,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:15,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:15,452 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-12-16 01:01:15,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,490 INFO L93 Difference]: Finished difference Result 237 states and 306 transitions. [2021-12-16 01:01:15,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:15,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 46 [2021-12-16 01:01:15,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,492 INFO L225 Difference]: With dead ends: 237 [2021-12-16 01:01:15,492 INFO L226 Difference]: Without dead ends: 139 [2021-12-16 01:01:15,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:15,494 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 78 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:15,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 420 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:15,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-16 01:01:15,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2021-12-16 01:01:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 85 states have (on average 1.2823529411764707) internal successors, (109), 91 states have internal predecessors, (109), 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) [2021-12-16 01:01:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 135 transitions. [2021-12-16 01:01:15,511 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 135 transitions. Word has length 46 [2021-12-16 01:01:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,511 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 135 transitions. [2021-12-16 01:01:15,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-12-16 01:01:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 135 transitions. [2021-12-16 01:01:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-16 01:01:15,516 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,516 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:15,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:15,516 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1749235422, now seen corresponding path program 1 times [2021-12-16 01:01:15,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665701577] [2021-12-16 01:01:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 01:01:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:15,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665701577] [2021-12-16 01:01:15,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665701577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:15,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936038234] [2021-12-16 01:01:15,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:15,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:15,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:15,572 INFO L87 Difference]: Start difference. First operand 108 states and 135 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,587 INFO L93 Difference]: Finished difference Result 256 states and 324 transitions. [2021-12-16 01:01:15,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:15,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2021-12-16 01:01:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,589 INFO L225 Difference]: With dead ends: 256 [2021-12-16 01:01:15,589 INFO L226 Difference]: Without dead ends: 156 [2021-12-16 01:01:15,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:15,592 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 151 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 [2021-12-16 01:01:15,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 151 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-12-16 01:01:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2021-12-16 01:01:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 121 states have (on average 1.2644628099173554) internal successors, (153), 128 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) [2021-12-16 01:01:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 191 transitions. [2021-12-16 01:01:15,608 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 191 transitions. Word has length 46 [2021-12-16 01:01:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,610 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 191 transitions. [2021-12-16 01:01:15,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2021-12-16 01:01:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-16 01:01:15,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,611 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] [2021-12-16 01:01:15,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:15,611 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2549066, now seen corresponding path program 1 times [2021-12-16 01:01:15,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122863617] [2021-12-16 01:01:15,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 01:01:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 01:01:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:15,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122863617] [2021-12-16 01:01:15,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122863617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:15,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213903682] [2021-12-16 01:01:15,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:15,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:15,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:15,660 INFO L87 Difference]: Start difference. First operand 154 states and 191 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) [2021-12-16 01:01:15,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:15,733 INFO L93 Difference]: Finished difference Result 307 states and 384 transitions. [2021-12-16 01:01:15,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 01:01:15,733 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 [2021-12-16 01:01:15,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:15,734 INFO L225 Difference]: With dead ends: 307 [2021-12-16 01:01:15,735 INFO L226 Difference]: Without dead ends: 161 [2021-12-16 01:01:15,735 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 [2021-12-16 01:01:15,735 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 31 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:15,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 383 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-12-16 01:01:15,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 152. [2021-12-16 01:01:15,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 119 states have (on average 1.2352941176470589) internal successors, (147), 126 states have internal predecessors, (147), 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) [2021-12-16 01:01:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 185 transitions. [2021-12-16 01:01:15,741 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 185 transitions. Word has length 48 [2021-12-16 01:01:15,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:15,742 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 185 transitions. [2021-12-16 01:01:15,742 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) [2021-12-16 01:01:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 185 transitions. [2021-12-16 01:01:15,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 01:01:15,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:15,742 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] [2021-12-16 01:01:15,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:15,743 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:15,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:15,743 INFO L85 PathProgramCache]: Analyzing trace with hash 458290680, now seen corresponding path program 1 times [2021-12-16 01:01:15,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:15,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535959396] [2021-12-16 01:01:15,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:15,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 01:01:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 01:01:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:15,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:15,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535959396] [2021-12-16 01:01:15,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535959396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:15,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:15,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 01:01:15,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155075003] [2021-12-16 01:01:15,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:15,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 01:01:15,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:15,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 01:01:15,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:15,856 INFO L87 Difference]: Start difference. First operand 152 states and 185 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-12-16 01:01:16,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:16,253 INFO L93 Difference]: Finished difference Result 519 states and 665 transitions. [2021-12-16 01:01:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-16 01:01:16,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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 50 [2021-12-16 01:01:16,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:16,258 INFO L225 Difference]: With dead ends: 519 [2021-12-16 01:01:16,258 INFO L226 Difference]: Without dead ends: 420 [2021-12-16 01:01:16,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2021-12-16 01:01:16,260 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 349 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:16,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [359 Valid, 493 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 01:01:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2021-12-16 01:01:16,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 390. [2021-12-16 01:01:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 306 states have (on average 1.2091503267973855) internal successors, (370), 325 states have internal predecessors, (370), 45 states have call successors, (45), 33 states have call predecessors, (45), 38 states have return successors, (64), 43 states have call predecessors, (64), 45 states have call successors, (64) [2021-12-16 01:01:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 479 transitions. [2021-12-16 01:01:16,319 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 479 transitions. Word has length 50 [2021-12-16 01:01:16,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:16,320 INFO L470 AbstractCegarLoop]: Abstraction has 390 states and 479 transitions. [2021-12-16 01:01:16,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-12-16 01:01:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 479 transitions. [2021-12-16 01:01:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-16 01:01:16,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:16,322 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] [2021-12-16 01:01:16,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:16,323 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:16,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash -643370142, now seen corresponding path program 1 times [2021-12-16 01:01:16,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:16,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888100578] [2021-12-16 01:01:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:16,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 01:01:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 01:01:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 01:01:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 01:01:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 01:01:16,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:16,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888100578] [2021-12-16 01:01:16,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888100578] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:16,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766980358] [2021-12-16 01:01:16,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:16,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:16,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:16,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 01:01:16,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 01:01:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:16,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:16,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:16,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-16 01:01:16,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766980358] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:16,959 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:16,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-16 01:01:16,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541055714] [2021-12-16 01:01:16,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:16,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-16 01:01:16,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:16,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-16 01:01:16,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:16,960 INFO L87 Difference]: Start difference. First operand 390 states and 479 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-16 01:01:17,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:17,411 INFO L93 Difference]: Finished difference Result 616 states and 783 transitions. [2021-12-16 01:01:17,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-16 01:01:17,411 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 81 [2021-12-16 01:01:17,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:17,411 INFO L225 Difference]: With dead ends: 616 [2021-12-16 01:01:17,411 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:17,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-12-16 01:01:17,413 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 215 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:17,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 1009 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 01:01:17,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 01:01:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:17,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2021-12-16 01:01:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:17,414 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:17,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2021-12-16 01:01:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:17,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:17,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:17,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:17,617 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 [2021-12-16 01:01:17,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:19,776 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 525 531) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 525 531) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 822 833) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point L826-1(lines 822 833) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 822 833) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 689 718) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point L703-1(lines 703 707) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 689 718) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point L700(line 700) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point L699-2(lines 699 713) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point L695-1(line 695) no Hoare annotation was computed. [2021-12-16 01:01:19,777 INFO L861 garLoopResultBuilder]: At program point L714(lines 689 718) the Hoare annotation is: true [2021-12-16 01:01:19,777 INFO L858 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2021-12-16 01:01:19,778 INFO L854 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: (let ((.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse1 .cse2 (<= ~waterLevel~0 2)) .cse3 .cse4) (or .cse5 .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_processEnvironment_~tmp~4#1| 0) (= ~pumpRunning~0 0)) .cse3))) [2021-12-16 01:01:19,778 INFO L854 garLoopResultBuilder]: At program point L791(lines 786 793) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse1) (or .cse3 .cse0 .cse4 .cse1))) [2021-12-16 01:01:19,778 INFO L858 garLoopResultBuilder]: For program point L919-1(line 919) no Hoare annotation was computed. [2021-12-16 01:01:19,779 INFO L854 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 (<= ~waterLevel~0 2)) .cse1 .cse5) (or .cse6 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse1 .cse5) (or .cse6 .cse2 .cse0 .cse1))) [2021-12-16 01:01:19,779 INFO L854 garLoopResultBuilder]: At program point L552-1(lines 533 557) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (not (= ~systemActive~0 1)))) (and (let ((.cse2 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 (and .cse6 .cse2 .cse3 .cse7) .cse8)) (or .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse9 .cse1 .cse3) .cse8 .cse10) (or .cse0 .cse4 (and .cse9 (= ~waterLevel~0 1) .cse1) .cse8 .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse5 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6 .cse7) .cse8))) [2021-12-16 01:01:19,779 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 498 524) no Hoare annotation was computed. [2021-12-16 01:01:19,779 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-12-16 01:01:19,779 INFO L858 garLoopResultBuilder]: For program point L639-2(lines 639 643) no Hoare annotation was computed. [2021-12-16 01:01:19,779 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 885) no Hoare annotation was computed. [2021-12-16 01:01:19,779 INFO L854 garLoopResultBuilder]: At program point L904(line 904) the Hoare annotation is: (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 (and .cse1 .cse7 .cse8 .cse9) .cse4 .cse10) (or .cse5 .cse6 (and .cse1 .cse8 .cse9 .cse2) .cse3 .cse4) (or (and .cse0 .cse1 .cse7) .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4 .cse10))) [2021-12-16 01:01:19,779 INFO L858 garLoopResultBuilder]: For program point L904-1(line 904) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L854 garLoopResultBuilder]: At program point L871(lines 866 874) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 2)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse10 (not (= ~systemActive~0 1)))) (and (let ((.cse2 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse3 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse5 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse3 .cse7 .cse5 .cse6 .cse8) .cse9 .cse10)) (or .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse11 .cse4 .cse6) .cse10 .cse12) (or .cse0 .cse1 (and .cse11 (= ~waterLevel~0 1) .cse4) .cse10 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse9 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8) .cse10))) [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 512 518) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 549) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 554) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L921(lines 921 931) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 934) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L854 garLoopResultBuilder]: At program point L884(lines 875 888) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= 0 |timeShift_isHighWaterSensorDry_#res#1|)) .cse5) .cse4 .cse1))) [2021-12-16 01:01:19,780 INFO L854 garLoopResultBuilder]: At program point L917-1(lines 909 937) the Hoare annotation is: (let ((.cse10 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 2)) (.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (= ~waterLevel~0 1)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse12 (not (= ~systemActive~0 1))) (.cse15 (not (<= 1 |old(~pumpRunning~0)|)))) (and (let ((.cse2 (<= |timeShift_getWaterLevel_#res#1| 2)) (.cse3 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse4 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2)) (.cse5 (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|)) (.cse7 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse2 .cse3 .cse4 .cse5 .cse10 .cse7 .cse8 .cse11) .cse12)) (or (and .cse13 .cse10 .cse11) (not (= |old(~waterLevel~0)| 1)) .cse9 .cse12) (or .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse14 .cse6 .cse8) .cse12 .cse15) (or .cse0 .cse1 (and .cse14 .cse13 .cse6) .cse12 .cse15))) [2021-12-16 01:01:19,780 INFO L854 garLoopResultBuilder]: At program point L645(lines 630 648) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse3 (and (not (= 0 |timeShift_isHighWaterLevel_~tmp~5#1|)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |timeShift_isHighWaterLevel_#res#1| 0) .cse4 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) .cse1) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse0 .cse3 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse4) .cse1))) [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L854 garLoopResultBuilder]: At program point L802-2(lines 798 809) the Hoare annotation is: (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (and .cse3 .cse4 (<= ~waterLevel~0 2)) .cse1 .cse5) (or .cse6 .cse2 (and .cse3 (= ~waterLevel~0 1) .cse4) .cse1 .cse5) (or .cse6 .cse2 .cse0 .cse1))) [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 511) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L505-2(lines 501 523) no Hoare annotation was computed. [2021-12-16 01:01:19,780 INFO L858 garLoopResultBuilder]: For program point L790(line 790) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L854 garLoopResultBuilder]: At program point L563(lines 558 565) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3))) [2021-12-16 01:01:19,781 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 498 524) the Hoare annotation is: (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 (and .cse1 .cse7 .cse8 .cse9) .cse4 .cse10) (or .cse5 .cse6 (and .cse1 .cse8 .cse9 .cse2) .cse3 .cse4) (or (and .cse0 .cse1 .cse7) .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4 .cse10))) [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 498 524) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L854 garLoopResultBuilder]: At program point L906(lines 899 908) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse4 .cse5 .cse2 (and .cse6 .cse7 .cse1) .cse3) (or .cse4 .cse5 (and .cse8 .cse9 .cse6 .cse7) .cse3 .cse10) (or .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 (and .cse8 .cse0 .cse9) .cse10))) [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L854 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |timeShift_processEnvironment_~tmp~4#1| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 (and .cse5 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse6) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse5 .cse6) .cse1))) [2021-12-16 01:01:19,781 INFO L854 garLoopResultBuilder]: At program point L473(lines 430 475) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~6#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5 .cse6))) [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:19,781 INFO L854 garLoopResultBuilder]: At program point L668(lines 664 670) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:19,781 INFO L861 garLoopResultBuilder]: At program point L759(lines 751 761) the Hoare annotation is: true [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L854 garLoopResultBuilder]: At program point L466-2(lines 460 471) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~6#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5 .cse6))) [2021-12-16 01:01:19,782 INFO L854 garLoopResultBuilder]: At program point L747(lines 743 749) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~6#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L772(lines 772 779) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L772-2(lines 772 779) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L450-1(lines 450 456) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L854 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 |ULTIMATE.start_main_~tmp~6#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:19,782 INFO L861 garLoopResultBuilder]: At program point L479(lines 420 483) the Hoare annotation is: true [2021-12-16 01:01:19,782 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~6#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5 .cse6))) [2021-12-16 01:01:19,782 INFO L861 garLoopResultBuilder]: At program point L781(lines 762 784) the Hoare annotation is: true [2021-12-16 01:01:19,782 INFO L854 garLoopResultBuilder]: At program point L476(lines 429 477) the Hoare annotation is: false [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L431(lines 430 475) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 471) no Hoare annotation was computed. [2021-12-16 01:01:19,782 INFO L854 garLoopResultBuilder]: At program point L683(lines 678 686) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:19,783 INFO L854 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= ~systemActive~0 |ULTIMATE.start_main_~tmp~6#1|)) (.cse6 (= ~systemActive~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~waterLevel~0 1) .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse4 .cse5 .cse6))) [2021-12-16 01:01:19,783 INFO L854 garLoopResultBuilder]: At program point L675(lines 671 677) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:19,783 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 810 821) no Hoare annotation was computed. [2021-12-16 01:01:19,783 INFO L858 garLoopResultBuilder]: For program point L814-1(lines 810 821) no Hoare annotation was computed. [2021-12-16 01:01:19,783 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 810 821) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse5 .cse6 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse6 .cse4))) [2021-12-16 01:01:19,783 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 585 593) no Hoare annotation was computed. [2021-12-16 01:01:19,783 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 585 593) the Hoare annotation is: true [2021-12-16 01:01:19,783 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 585 593) no Hoare annotation was computed. [2021-12-16 01:01:19,785 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:19,786 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:19,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:19 BoogieIcfgContainer [2021-12-16 01:01:19,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:19,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:19,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:19,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:19,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:14" (3/4) ... [2021-12-16 01:01:19,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:19,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:19,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:19,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:19,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:19,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:19,827 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:19,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-16 01:01:19,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:19,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:19,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:19,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:19,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:19,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:19,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:19,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:19,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 [2021-12-16 01:01:19,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && 2 <= waterLevel) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) [2021-12-16 01:01:19,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:19,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((((((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (((((((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp) && tmp == 0) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1)) && (((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:19,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(2 <= \old(waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((tmp == 0 && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((((\result <= 2 && 2 <= \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || (((((\result <= 2 && 2 <= \result) && tmp == 0) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0)) || !(systemActive == 1))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(2 <= \old(waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) [2021-12-16 01:01:19,864 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:19,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:19,865 INFO L158 Benchmark]: Toolchain (without parser) took 6692.69ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 49.2MB in the beginning and 55.3MB in the end (delta: -6.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,865 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:19,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.55ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 54.5MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.84ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,865 INFO L158 Benchmark]: Boogie Preprocessor took 36.63ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,866 INFO L158 Benchmark]: RCFGBuilder took 476.02ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 50.5MB in the beginning and 93.2MB in the end (delta: -42.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,866 INFO L158 Benchmark]: TraceAbstraction took 5640.80ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 92.7MB in the beginning and 60.6MB in the end (delta: 32.1MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,866 INFO L158 Benchmark]: Witness Printer took 44.14ms. Allocated memory is still 146.8MB. Free memory was 60.6MB in the beginning and 55.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 01:01:19,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.55ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 54.5MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.84ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.63ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.02ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 50.5MB in the beginning and 93.2MB in the end (delta: -42.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5640.80ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 92.7MB in the beginning and 60.6MB in the end (delta: 32.1MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. * Witness Printer took 44.14ms. Allocated memory is still 146.8MB. Free memory was 60.6MB in the beginning and 55.3MB in the end (delta: 5.2MB). 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: 790]: 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, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 942 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 923 mSDsluCounter, 3376 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2386 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 977 IncrementalHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 990 mSDtfsCounter, 977 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 314 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=9, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 90 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 611 PreInvPairs, 708 NumberOfFragments, 1894 HoareAnnotationTreeSize, 611 FomulaSimplifications, 497 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 36 FomulaSimplificationsInter, 3573 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 1272 SizeOfPredicates, 3 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 94/114 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: 751]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: ((((((!(2 <= \old(waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) || (((((splverifierCounter == 0 && waterLevel == 1) && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 == \result) && 2 <= waterLevel) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0)) || ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && 1 == \result) && 1 <= pumpRunning) && waterLevel <= 2) && systemActive == tmp) && systemActive == 1) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((((\result <= 2 && 2 <= \result) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || (((((\result <= 2 && 2 <= \result) && tmp == 0) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (((((((!(2 <= \old(waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || (((tmp == 0 && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1)) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((waterLevel == \old(waterLevel) && tmp == 0) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == \result) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == \result) && systemActive == tmp) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((((((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp) && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (((((((\result <= 2 && 2 <= \result) && tmp <= 2) && 1 < tmp) && tmp == 0) && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1)) && (((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && 1 <= pumpRunning)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: ((((((waterLevel == \old(waterLevel) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1))) && (((!(\old(waterLevel) == 1) || ((waterLevel == \old(waterLevel) && !(0 == \result)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(systemActive == 1)) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(systemActive == 1)) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || ((((!(0 == tmp) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) && tmp___0 == 0)) || !(systemActive == 1))) && (((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(systemActive == 1)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || !(\old(waterLevel) <= 2)) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 0)) || !(systemActive == 1)) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:19,941 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