./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product41.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_spec3_product41.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 00:59:50,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 00:59:50,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 00:59:50,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 00:59:50,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 00:59:50,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 00:59:50,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 00:59:50,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 00:59:50,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 00:59:50,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 00:59:50,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 00:59:50,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 00:59:50,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 00:59:50,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 00:59:50,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 00:59:50,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 00:59:50,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 00:59:50,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 00:59:50,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 00:59:50,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 00:59:50,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 00:59:50,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 00:59:50,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 00:59:50,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 00:59:50,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 00:59:50,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 00:59:50,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 00:59:50,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 00:59:50,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 00:59:50,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 00:59:50,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 00:59:50,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 00:59:50,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 00:59:50,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 00:59:50,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 00:59:50,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 00:59:50,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 00:59:50,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 00:59:50,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 00:59:50,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 00:59:50,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 00:59:50,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 00:59:50,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 00:59:50,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 00:59:50,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 00:59:50,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 00:59:50,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 00:59:50,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 00:59:50,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 00:59:50,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 00:59:50,463 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 00:59:50,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 00:59:50,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 00:59:50,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 00:59:50,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 00:59:50,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 00:59:50,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 00:59:50,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 00:59:50,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 00:59:50,465 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 00:59:50,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 00:59:50,465 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 00:59:50,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 00:59:50,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 00:59:50,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 00:59:50,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 00:59:50,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:50,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 00:59:50,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 00:59:50,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 00:59:50,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 00:59:50,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 00:59:50,467 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 00:59:50,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 00:59:50,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 00:59:50,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 00:59:50,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2021-12-16 00:59:50,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 00:59:50,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 00:59:50,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 00:59:50,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 00:59:50,760 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 00:59:50,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-12-16 00:59:50,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fcdc6af/5c363c1ed2ca497da7aa06577e81a873/FLAG6945ddd12 [2021-12-16 00:59:51,354 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 00:59:51,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-12-16 00:59:51,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fcdc6af/5c363c1ed2ca497da7aa06577e81a873/FLAG6945ddd12 [2021-12-16 00:59:51,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fcdc6af/5c363c1ed2ca497da7aa06577e81a873 [2021-12-16 00:59:51,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 00:59:51,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 00:59:51,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:51,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 00:59:51,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 00:59:51,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:51" (1/1) ... [2021-12-16 00:59:51,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1160db6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:51, skipping insertion in model container [2021-12-16 00:59:51,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:59:51" (1/1) ... [2021-12-16 00:59:51,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 00:59:51,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 00:59:52,012 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_spec3_product41.cil.c[17978,17991] [2021-12-16 00:59:52,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:52,027 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 00:59:52,088 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_spec3_product41.cil.c[17978,17991] [2021-12-16 00:59:52,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 00:59:52,112 INFO L208 MainTranslator]: Completed translation [2021-12-16 00:59:52,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52 WrapperNode [2021-12-16 00:59:52,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 00:59:52,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:52,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 00:59:52,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 00:59:52,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,160 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2021-12-16 00:59:52,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 00:59:52,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 00:59:52,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 00:59:52,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 00:59:52,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 00:59:52,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 00:59:52,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 00:59:52,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 00:59:52,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (1/1) ... [2021-12-16 00:59:52,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 00:59:52,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:52,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 00:59:52,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 00:59:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 00:59:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 00:59:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 00:59:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 00:59:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 00:59:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-16 00:59:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-16 00:59:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 00:59:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 00:59:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 00:59:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 00:59:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 00:59:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 00:59:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 00:59:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 00:59:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 00:59:52,374 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 00:59:52,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 00:59:52,663 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 00:59:52,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 00:59:52,676 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 00:59:52,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:52 BoogieIcfgContainer [2021-12-16 00:59:52,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 00:59:52,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 00:59:52,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 00:59:52,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 00:59:52,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:59:51" (1/3) ... [2021-12-16 00:59:52,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761b4541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:52, skipping insertion in model container [2021-12-16 00:59:52,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:59:52" (2/3) ... [2021-12-16 00:59:52,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761b4541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:59:52, skipping insertion in model container [2021-12-16 00:59:52,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:52" (3/3) ... [2021-12-16 00:59:52,687 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2021-12-16 00:59:52,691 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 00:59:52,691 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 00:59:52,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 00:59:52,751 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 00:59:52,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 00:59:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 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 00:59:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 00:59:52,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:52,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:52,784 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:52,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:52,789 INFO L85 PathProgramCache]: Analyzing trace with hash -310918915, now seen corresponding path program 1 times [2021-12-16 00:59:52,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:52,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423512819] [2021-12-16 00:59:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:52,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 00:59:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:53,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423512819] [2021-12-16 00:59:53,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423512819] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:53,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:53,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 00:59:53,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575693104] [2021-12-16 00:59:53,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 00:59:53,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 00:59:53,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:53,072 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:53,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:53,125 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2021-12-16 00:59:53,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 00:59:53,127 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-16 00:59:53,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:53,139 INFO L225 Difference]: With dead ends: 154 [2021-12-16 00:59:53,139 INFO L226 Difference]: Without dead ends: 72 [2021-12-16 00:59:53,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 00:59:53,150 INFO L933 BasicCegarLoop]: 102 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, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:53,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-16 00:59:53,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-16 00:59:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 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 00:59:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2021-12-16 00:59:53,196 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 25 [2021-12-16 00:59:53,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:53,196 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2021-12-16 00:59:53,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2021-12-16 00:59:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 00:59:53,202 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:53,202 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:53,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 00:59:53,203 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1548949891, now seen corresponding path program 1 times [2021-12-16 00:59:53,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:53,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648855491] [2021-12-16 00:59:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:53,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 00:59:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:53,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648855491] [2021-12-16 00:59:53,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648855491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:53,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:53,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:53,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578080188] [2021-12-16 00:59:53,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:53,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:53,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:53,315 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:53,347 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2021-12-16 00:59:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:53,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-16 00:59:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:53,349 INFO L225 Difference]: With dead ends: 110 [2021-12-16 00:59:53,350 INFO L226 Difference]: Without dead ends: 63 [2021-12-16 00:59:53,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:53,353 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:53,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:53,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-16 00:59:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-16 00:59:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 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 00:59:53,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2021-12-16 00:59:53,365 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 26 [2021-12-16 00:59:53,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:53,370 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2021-12-16 00:59:53,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2021-12-16 00:59:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-16 00:59:53,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:53,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:53,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 00:59:53,373 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:53,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:53,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917381, now seen corresponding path program 1 times [2021-12-16 00:59:53,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:53,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042693709] [2021-12-16 00:59:53,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:53,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:59:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:53,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042693709] [2021-12-16 00:59:53,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042693709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:53,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:53,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:53,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311961770] [2021-12-16 00:59:53,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:53,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:53,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:53,458 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:53,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:53,487 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2021-12-16 00:59:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:53,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-16 00:59:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:53,493 INFO L225 Difference]: With dead ends: 119 [2021-12-16 00:59:53,494 INFO L226 Difference]: Without dead ends: 63 [2021-12-16 00:59:53,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:53,496 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:53,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 79 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-16 00:59:53,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-16 00:59:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 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 00:59:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-12-16 00:59:53,515 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 30 [2021-12-16 00:59:53,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:53,518 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-12-16 00:59:53,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 00:59:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-12-16 00:59:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-16 00:59:53,520 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:53,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:53,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 00:59:53,520 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:53,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:53,522 INFO L85 PathProgramCache]: Analyzing trace with hash -199527812, now seen corresponding path program 1 times [2021-12-16 00:59:53,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:53,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293179995] [2021-12-16 00:59:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:53,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 00:59:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 00:59:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:53,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293179995] [2021-12-16 00:59:53,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293179995] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:53,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:53,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 00:59:53,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733173688] [2021-12-16 00:59:53,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 00:59:53,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 00:59:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 00:59:53,579 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:53,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:53,618 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2021-12-16 00:59:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 00:59:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-12-16 00:59:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:53,620 INFO L225 Difference]: With dead ends: 160 [2021-12-16 00:59:53,622 INFO L226 Difference]: Without dead ends: 104 [2021-12-16 00:59:53,622 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 00:59:53,626 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 147 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 00:59:53,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 147 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:53,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-16 00:59:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2021-12-16 00:59:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3125) internal successors, (105), 87 states have internal predecessors, (105), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-16 00:59:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2021-12-16 00:59:53,641 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 35 [2021-12-16 00:59:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:53,642 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2021-12-16 00:59:53,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2021-12-16 00:59:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-16 00:59:53,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:53,644 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:53,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 00:59:53,644 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:53,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:53,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2013550284, now seen corresponding path program 1 times [2021-12-16 00:59:53,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:53,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117251999] [2021-12-16 00:59:53,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:53,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 00:59:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 00:59:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:53,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117251999] [2021-12-16 00:59:53,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117251999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:53,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:53,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:59:53,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024716067] [2021-12-16 00:59:53,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:59:53,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:59:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:53,742 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:53,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:53,818 INFO L93 Difference]: Finished difference Result 282 states and 373 transitions. [2021-12-16 00:59:53,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 00:59:53,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-16 00:59:53,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:53,821 INFO L225 Difference]: With dead ends: 282 [2021-12-16 00:59:53,822 INFO L226 Difference]: Without dead ends: 187 [2021-12-16 00:59:53,822 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 00:59:53,824 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:53,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 00:59:53,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-12-16 00:59:53,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2021-12-16 00:59:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 152 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-16 00:59:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2021-12-16 00:59:53,845 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 41 [2021-12-16 00:59:53,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:53,845 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2021-12-16 00:59:53,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 00:59:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-12-16 00:59:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:53,847 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:53,847 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:53,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 00:59:53,847 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:53,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:53,848 INFO L85 PathProgramCache]: Analyzing trace with hash -583739890, now seen corresponding path program 1 times [2021-12-16 00:59:53,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:53,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809804101] [2021-12-16 00:59:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:53,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:53,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:53,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:53,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809804101] [2021-12-16 00:59:53,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809804101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:53,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:53,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:53,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379365107] [2021-12-16 00:59:53,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:53,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:53,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:53,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:53,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:53,991 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 00:59:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:54,188 INFO L93 Difference]: Finished difference Result 472 states and 639 transitions. [2021-12-16 00:59:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 00:59:54,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 45 [2021-12-16 00:59:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:54,192 INFO L225 Difference]: With dead ends: 472 [2021-12-16 00:59:54,192 INFO L226 Difference]: Without dead ends: 377 [2021-12-16 00:59:54,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:54,194 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 166 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:54,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 339 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-12-16 00:59:54,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 344. [2021-12-16 00:59:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 270 states have (on average 1.2814814814814814) internal successors, (346), 294 states have internal predecessors, (346), 40 states have call successors, (40), 29 states have call predecessors, (40), 33 states have return successors, (66), 38 states have call predecessors, (66), 40 states have call successors, (66) [2021-12-16 00:59:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 452 transitions. [2021-12-16 00:59:54,228 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 452 transitions. Word has length 45 [2021-12-16 00:59:54,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:54,229 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 452 transitions. [2021-12-16 00:59:54,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 00:59:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 452 transitions. [2021-12-16 00:59:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:54,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:54,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:54,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 00:59:54,236 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:54,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash -364885172, now seen corresponding path program 1 times [2021-12-16 00:59:54,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:54,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254193198] [2021-12-16 00:59:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:54,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:54,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:54,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254193198] [2021-12-16 00:59:54,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254193198] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:54,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:54,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 00:59:54,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284730594] [2021-12-16 00:59:54,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:54,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 00:59:54,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:54,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 00:59:54,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 00:59:54,308 INFO L87 Difference]: Start difference. First operand 344 states and 452 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 00:59:54,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:54,456 INFO L93 Difference]: Finished difference Result 744 states and 1004 transitions. [2021-12-16 00:59:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 00:59:54,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 45 [2021-12-16 00:59:54,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:54,470 INFO L225 Difference]: With dead ends: 744 [2021-12-16 00:59:54,471 INFO L226 Difference]: Without dead ends: 486 [2021-12-16 00:59:54,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:54,475 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 152 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:54,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 370 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:54,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-12-16 00:59:54,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 377. [2021-12-16 00:59:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.2626262626262625) internal successors, (375), 324 states have internal predecessors, (375), 44 states have call successors, (44), 29 states have call predecessors, (44), 35 states have return successors, (76), 42 states have call predecessors, (76), 44 states have call successors, (76) [2021-12-16 00:59:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 495 transitions. [2021-12-16 00:59:54,523 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 495 transitions. Word has length 45 [2021-12-16 00:59:54,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:54,524 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 495 transitions. [2021-12-16 00:59:54,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 00:59:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 495 transitions. [2021-12-16 00:59:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 00:59:54,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:54,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:54,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 00:59:54,526 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:54,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:54,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1182533622, now seen corresponding path program 1 times [2021-12-16 00:59:54,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:54,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783488171] [2021-12-16 00:59:54,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:54,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 00:59:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:54,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:54,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783488171] [2021-12-16 00:59:54,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783488171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:54,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:54,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 00:59:54,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695951733] [2021-12-16 00:59:54,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:54,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 00:59:54,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:54,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 00:59:54,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 00:59:54,588 INFO L87 Difference]: Start difference. First operand 377 states and 495 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 00:59:54,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:54,790 INFO L93 Difference]: Finished difference Result 848 states and 1136 transitions. [2021-12-16 00:59:54,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 00:59:54,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 45 [2021-12-16 00:59:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:54,793 INFO L225 Difference]: With dead ends: 848 [2021-12-16 00:59:54,793 INFO L226 Difference]: Without dead ends: 478 [2021-12-16 00:59:54,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:59:54,796 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 183 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:54,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 365 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-12-16 00:59:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 381. [2021-12-16 00:59:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 305 states have (on average 1.2459016393442623) internal successors, (380), 329 states have internal predecessors, (380), 41 states have call successors, (41), 28 states have call predecessors, (41), 34 states have return successors, (73), 39 states have call predecessors, (73), 41 states have call successors, (73) [2021-12-16 00:59:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 494 transitions. [2021-12-16 00:59:54,819 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 494 transitions. Word has length 45 [2021-12-16 00:59:54,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:54,819 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 494 transitions. [2021-12-16 00:59:54,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 00:59:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 494 transitions. [2021-12-16 00:59:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-16 00:59:54,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:54,821 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 00:59:54,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 00:59:54,821 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:54,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:54,822 INFO L85 PathProgramCache]: Analyzing trace with hash 987986838, now seen corresponding path program 1 times [2021-12-16 00:59:54,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:54,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990979731] [2021-12-16 00:59:54,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:54,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 00:59:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 00:59:54,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:54,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990979731] [2021-12-16 00:59:54,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990979731] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 00:59:54,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579092736] [2021-12-16 00:59:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:54,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:54,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 00:59:54,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 00:59:54,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 00:59:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:55,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-16 00:59:55,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 00:59:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 00:59:55,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 00:59:55,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579092736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:55,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 00:59:55,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-16 00:59:55,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198121308] [2021-12-16 00:59:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:55,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:55,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:55,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:55,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-16 00:59:55,233 INFO L87 Difference]: Start difference. First operand 381 states and 494 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:55,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:55,360 INFO L93 Difference]: Finished difference Result 1129 states and 1495 transitions. [2021-12-16 00:59:55,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 00:59:55,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2021-12-16 00:59:55,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:55,365 INFO L225 Difference]: With dead ends: 1129 [2021-12-16 00:59:55,365 INFO L226 Difference]: Without dead ends: 755 [2021-12-16 00:59:55,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-12-16 00:59:55,370 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 107 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:55,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 504 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:55,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2021-12-16 00:59:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 725. [2021-12-16 00:59:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 578 states have (on average 1.226643598615917) internal successors, (709), 618 states have internal predecessors, (709), 80 states have call successors, (80), 55 states have call predecessors, (80), 66 states have return successors, (145), 76 states have call predecessors, (145), 80 states have call successors, (145) [2021-12-16 00:59:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 934 transitions. [2021-12-16 00:59:55,426 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 934 transitions. Word has length 50 [2021-12-16 00:59:55,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:55,426 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 934 transitions. [2021-12-16 00:59:55,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 00:59:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 934 transitions. [2021-12-16 00:59:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-16 00:59:55,428 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:55,428 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:55,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-16 00:59:55,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 00:59:55,632 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:55,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:55,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1869519007, now seen corresponding path program 1 times [2021-12-16 00:59:55,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:55,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530132023] [2021-12-16 00:59:55,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:55,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 00:59:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 00:59:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:55,730 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 00:59:55,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:55,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530132023] [2021-12-16 00:59:55,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530132023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:55,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:55,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 00:59:55,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517060418] [2021-12-16 00:59:55,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:55,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 00:59:55,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:55,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 00:59:55,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 00:59:55,732 INFO L87 Difference]: Start difference. First operand 725 states and 934 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 00:59:55,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:55,961 INFO L93 Difference]: Finished difference Result 1350 states and 1757 transitions. [2021-12-16 00:59:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-16 00:59:55,962 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2021-12-16 00:59:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:55,964 INFO L225 Difference]: With dead ends: 1350 [2021-12-16 00:59:55,964 INFO L226 Difference]: Without dead ends: 281 [2021-12-16 00:59:55,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-12-16 00:59:55,969 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 190 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:55,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 389 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 00:59:55,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-12-16 00:59:55,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 270. [2021-12-16 00:59:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 213 states have (on average 1.192488262910798) internal successors, (254), 227 states have internal predecessors, (254), 30 states have call successors, (30), 25 states have call predecessors, (30), 26 states have return successors, (38), 28 states have call predecessors, (38), 30 states have call successors, (38) [2021-12-16 00:59:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 322 transitions. [2021-12-16 00:59:55,985 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 322 transitions. Word has length 51 [2021-12-16 00:59:55,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:55,985 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 322 transitions. [2021-12-16 00:59:55,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 00:59:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 322 transitions. [2021-12-16 00:59:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-16 00:59:55,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 00:59:55,987 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 00:59:55,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 00:59:55,987 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 00:59:55,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 00:59:55,988 INFO L85 PathProgramCache]: Analyzing trace with hash -400361830, now seen corresponding path program 1 times [2021-12-16 00:59:55,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 00:59:55,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890539961] [2021-12-16 00:59:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 00:59:55,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 00:59:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 00:59:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 00:59:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 00:59:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:56,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 00:59:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 00:59:56,083 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 00:59:56,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 00:59:56,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890539961] [2021-12-16 00:59:56,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890539961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 00:59:56,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 00:59:56,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-16 00:59:56,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110297717] [2021-12-16 00:59:56,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 00:59:56,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-16 00:59:56,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 00:59:56,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-16 00:59:56,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-16 00:59:56,086 INFO L87 Difference]: Start difference. First operand 270 states and 322 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 00:59:56,469 INFO L93 Difference]: Finished difference Result 527 states and 635 transitions. [2021-12-16 00:59:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 00:59:56,470 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-16 00:59:56,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 00:59:56,470 INFO L225 Difference]: With dead ends: 527 [2021-12-16 00:59:56,470 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 00:59:56,472 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2021-12-16 00:59:56,472 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 220 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 00:59:56,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [223 Valid, 325 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 00:59:56,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 00:59:56,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 00:59:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 00:59:56,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 00:59:56,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-12-16 00:59:56,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 00:59:56,474 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 00:59:56,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 00:59:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 00:59:56,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 00:59:56,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 00:59:56,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 00:59:56,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:00:00,109 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2021-12-16 01:00:00,109 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2021-12-16 01:00:00,109 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2021-12-16 01:00:00,109 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 (= ~methaneLevelCritical~0 0)) (or (not (= ~pumpRunning~0 0)) .cse0 (not (= |old(~methaneLevelCritical~0)| ~systemActive~0)) (= ~methaneLevelCritical~0 ~systemActive~0)))) [2021-12-16 01:00:00,109 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2021-12-16 01:00:00,109 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2021-12-16 01:00:00,109 INFO L861 garLoopResultBuilder]: At program point L481-1(lines 481 485) the Hoare annotation is: true [2021-12-16 01:00:00,109 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 467 496) no Hoare annotation was computed. [2021-12-16 01:00:00,109 INFO L858 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2021-12-16 01:00:00,110 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 467 496) the Hoare annotation is: true [2021-12-16 01:00:00,110 INFO L861 garLoopResultBuilder]: At program point L477-2(lines 477 491) the Hoare annotation is: true [2021-12-16 01:00:00,110 INFO L861 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2021-12-16 01:00:00,110 INFO L858 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2021-12-16 01:00:00,110 INFO L861 garLoopResultBuilder]: At program point L492(lines 467 496) the Hoare annotation is: true [2021-12-16 01:00:00,110 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-16 01:00:00,110 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 410 418) the Hoare annotation is: true [2021-12-16 01:00:00,110 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2021-12-16 01:00:00,110 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2021-12-16 01:00:00,110 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2021-12-16 01:00:00,111 INFO L854 garLoopResultBuilder]: At program point L353-1(lines 338 370) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse9 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= |timeShift_activatePump_~tmp~1#1| 0))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1) (let ((.cse4 (not (= 0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse2 .cse3 .cse4 .cse5) .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse11 .cse5) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse12 .cse11 .cse1) (and .cse2 .cse3 .cse12 .cse1))) (let ((.cse13 (= |timeShift_isMethaneAlarm_#res#1| 0))) (or .cse0 (and .cse2 .cse3 .cse5) .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse12 .cse13 .cse11 .cse1) (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse3 .cse12 .cse13))))) [2021-12-16 01:00:00,111 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-12-16 01:00:00,111 INFO L854 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse9 (not (= ~waterLevel~0 2))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse12 (and .cse9 .cse6 .cse8)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse3 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse4 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse5 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse7 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse10 (= |timeShift_activatePump_~tmp~1#1| 0))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse9 .cse6 .cse10) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse10 .cse7) .cse11 .cse12) (let ((.cse13 (= |timeShift_isMethaneAlarm_#res#1| 0))) (or .cse0 .cse12 .cse11 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse10 .cse13 .cse7 .cse1) (not (= ~methaneLevelCritical~0 0)) (and .cse9 .cse6 .cse10 .cse13)))))) [2021-12-16 01:00:00,111 INFO L854 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse1))) [2021-12-16 01:00:00,111 INFO L858 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2021-12-16 01:00:00,112 INFO L854 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (not (= ~waterLevel~0 2)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse1) (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-16 01:00:00,112 INFO L854 garLoopResultBuilder]: At program point L263(lines 248 266) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (not (= ~waterLevel~0 2)) .cse3 .cse4)) (.cse2 (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 1) (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse1 .cse2)))) [2021-12-16 01:00:00,112 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2021-12-16 01:00:00,112 INFO L854 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 1) (= |timeShift_processEnvironment_~tmp~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4)) (.cse2 (and (not (= ~waterLevel~0 2)) .cse3 .cse4)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (= 0 |old(~pumpRunning~0)|))))) [2021-12-16 01:00:00,112 INFO L858 garLoopResultBuilder]: For program point L197-1(line 197) no Hoare annotation was computed. [2021-12-16 01:00:00,112 INFO L858 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2021-12-16 01:00:00,112 INFO L854 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse1))) [2021-12-16 01:00:00,112 INFO L854 garLoopResultBuilder]: At program point L152-1(lines 133 157) the Hoare annotation is: (let ((.cse9 (not (= ~waterLevel~0 2))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse12 (and .cse9 .cse6 .cse8)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse3 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse4 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse5 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse7 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse10 (= |timeShift_activatePump_~tmp~1#1| 0))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse9 .cse6 .cse10) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse10 .cse7) .cse11 .cse12) (let ((.cse13 (= |timeShift_isMethaneAlarm_#res#1| 0))) (or .cse0 .cse12 .cse11 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse10 .cse13 .cse7 .cse1) (not (= ~methaneLevelCritical~0 0)) (and .cse9 .cse6 .cse10 .cse13)))))) [2021-12-16 01:00:00,113 INFO L854 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (or .cse0 (= 0 |old(~pumpRunning~0)|)))) [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 367) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 149) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L854 garLoopResultBuilder]: At program point L174-2(lines 167 183) the Hoare annotation is: (let ((.cse5 (not (= 1 ~systemActive~0))) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse7 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse8 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse2 (= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse0 (not (= ~waterLevel~0 2))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (let ((.cse3 (= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse1 .cse2 .cse3 .cse10 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or .cse5 (= 0 |old(~pumpRunning~0)|)) (let ((.cse11 (= ~pumpRunning~0 0))) (or (and .cse6 .cse7 .cse8 .cse9 .cse1 .cse10 .cse11) .cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse0 .cse1 .cse2) (and .cse6 .cse7 .cse8 .cse9 .cse1 .cse2 .cse10) (and .cse0 .cse1 .cse11))))) [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 154) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L854 garLoopResultBuilder]: At program point L199(lines 192 202) the Hoare annotation is: (let ((.cse1 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse2 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse3 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse4 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse7 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse9 (not (= ~waterLevel~0 2))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse6 (= |timeShift_isMethaneAlarm_#res#1| 0))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse5 .cse6 .cse8) (not (= ~methaneLevelCritical~0 0)))) (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8) .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse9 .cse5 .cse8)) (or .cse0 (= 0 |old(~pumpRunning~0)|)))) [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 261) no Hoare annotation was computed. [2021-12-16 01:00:00,113 INFO L854 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse15 (not (= ~waterLevel~0 2))) (.cse12 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= |timeShift_activatePump_~tmp~1#1| 0)) (.cse16 (not (= 2 |timeShift_getWaterLevel_#res#1|))) (.cse1 (not (= 0 ~pumpRunning~0)))) (let ((.cse8 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse10 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse15 .cse12 .cse13 .cse16 .cse1)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|) .cse1) (or .cse2 .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse4 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse1)) (let ((.cse17 (= |timeShift_isMethaneAlarm_#res#1| 0))) (or (and .cse15 .cse12 .cse16 (= ~pumpRunning~0 0)) .cse0 .cse4 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse17 .cse14 .cse1) .cse5 (and .cse15 .cse12 .cse13 .cse16 .cse17))) (or .cse6 (= |old(~waterLevel~0)| 2) .cse0 .cse7 .cse4) (or .cse2 .cse0 .cse3 .cse7 .cse4)))) [2021-12-16 01:00:00,114 INFO L854 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse4 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse5 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse6 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse9 (not (= 0 |timeShift_isPumpRunning_#res#1|))) (.cse11 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~waterLevel~0)| 2) .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= |timeShift_isMethaneAlarm_#res#1| 0) .cse10 .cse11) .cse0 .cse2 .cse12) (or .cse0 (= 0 |old(~pumpRunning~0)|) (and .cse9 .cse11)) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse12))) [2021-12-16 01:00:00,114 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (and .cse1 (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (not (= 0 ~pumpRunning~0))) (= 0 |old(~pumpRunning~0)|)) (or .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse3)))) [2021-12-16 01:00:00,114 INFO L854 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4)) (.cse2 (and (not (= ~waterLevel~0 2)) .cse3 .cse4)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (= 0 |old(~pumpRunning~0)|))))) [2021-12-16 01:00:00,114 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2021-12-16 01:00:00,114 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-12-16 01:00:00,114 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 104 123) no Hoare annotation was computed. [2021-12-16 01:00:00,114 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-12-16 01:00:00,115 INFO L854 garLoopResultBuilder]: At program point L163(lines 158 165) the Hoare annotation is: (let ((.cse5 (not (= 1 ~systemActive~0))) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse7 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse8 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse10 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse0 (not (= ~waterLevel~0 2))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (let ((.cse3 (= |timeShift_isMethaneAlarm_#res#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse1 .cse2 .cse3 .cse10 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or .cse5 (= 0 |old(~pumpRunning~0)|)) (or .cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse6 .cse7 .cse8 .cse9 .cse1 .cse2 .cse10 .cse4) (and .cse0 .cse1 .cse2 .cse4)))) [2021-12-16 01:00:00,115 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2021-12-16 01:00:00,115 INFO L861 garLoopResultBuilder]: At program point L535(lines 528 537) the Hoare annotation is: true [2021-12-16 01:00:00,115 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 555) no Hoare annotation was computed. [2021-12-16 01:00:00,115 INFO L858 garLoopResultBuilder]: For program point L548-2(lines 548 555) no Hoare annotation was computed. [2021-12-16 01:00:00,115 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:00:00,115 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:00:00,115 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-12-16 01:00:00,116 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:00:00,116 INFO L854 garLoopResultBuilder]: At program point L317-2(lines 311 322) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2021-12-16 01:00:00,116 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 307) no Hoare annotation was computed. [2021-12-16 01:00:00,116 INFO L861 garLoopResultBuilder]: At program point L557(lines 538 560) the Hoare annotation is: true [2021-12-16 01:00:00,116 INFO L858 garLoopResultBuilder]: For program point L301-1(lines 301 307) no Hoare annotation was computed. [2021-12-16 01:00:00,116 INFO L861 garLoopResultBuilder]: At program point L330(lines 271 334) the Hoare annotation is: true [2021-12-16 01:00:00,116 INFO L854 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1) (and .cse0 (not (= ~waterLevel~0 2)) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2021-12-16 01:00:00,117 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:00:00,117 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:00:00,117 INFO L854 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:00:00,117 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:00:00,117 INFO L854 garLoopResultBuilder]: At program point L327(lines 280 328) the Hoare annotation is: false [2021-12-16 01:00:00,117 INFO L858 garLoopResultBuilder]: For program point L282(lines 281 326) no Hoare annotation was computed. [2021-12-16 01:00:00,117 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 322) no Hoare annotation was computed. [2021-12-16 01:00:00,117 INFO L854 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2021-12-16 01:00:00,118 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:00:00,118 INFO L854 garLoopResultBuilder]: At program point L324(lines 281 326) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1) (and .cse0 (not (= ~waterLevel~0 2)) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2021-12-16 01:00:00,118 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-12-16 01:00:00,118 INFO L858 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2021-12-16 01:00:00,118 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2021-12-16 01:00:00,118 INFO L858 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2021-12-16 01:00:00,118 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (= |old(~waterLevel~0)| 2) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0))))) [2021-12-16 01:00:00,121 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:00:00,123 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:00:00,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:00:00 BoogieIcfgContainer [2021-12-16 01:00:00,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:00:00,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:00:00,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:00:00,159 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:00:00,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:59:52" (3/4) ... [2021-12-16 01:00:00,162 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:00:00,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:00:00,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:00:00,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:00:00,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-16 01:00:00,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:00:00,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:00:00,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-16 01:00:00,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:00:00,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:00:00,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:00:00,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:00:00,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:00:00,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:00:00,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:00:00,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0)) || ((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) || !(\old(pumpRunning) == 0)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && (((((!(1 == systemActive) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) [2021-12-16 01:00:00,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((((((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && !(0 == tmp)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && !(0 == tmp)) && \result == 0) && pumpRunning == 0)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning))) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == pumpRunning)))) && (((((!(1 == systemActive) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) [2021-12-16 01:00:00,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && \result == 0) && pumpRunning == 0)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) && (((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && (!(1 == systemActive) || 0 == \old(pumpRunning)) [2021-12-16 01:00:00,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || \result == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(2 == \result)) && !(0 == pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning)))) && ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && !(2 == \result)) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) || ((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(2 == \result)) && \result == 0))) && ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(2 == \result)) && !(0 == pumpRunning)) || \old(waterLevel) == 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || \result == 1) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:00:00,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == \old(waterLevel) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) && (((((waterLevel == \old(waterLevel) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (!(1 == systemActive) || 0 == \old(pumpRunning)) [2021-12-16 01:00:00,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) && (!(1 == systemActive) || 0 == \old(pumpRunning))) && (((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0)) || ((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) [2021-12-16 01:00:00,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) && (!(1 == systemActive) || 0 == \old(pumpRunning))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning))) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == pumpRunning))) [2021-12-16 01:00:00,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (((((tmp == 0 && \result == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) && (!(1 == systemActive) || 0 == \old(pumpRunning))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((tmp == 0 && \result == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) [2021-12-16 01:00:00,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(waterLevel) == 2 || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) && (((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == \result)) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == \result)) && \result == 0) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || 0 == \old(pumpRunning)) || (!(0 == \result) && !(0 == pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-16 01:00:00,199 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(methaneLevelCritical == 0)) && (!(1 == systemActive) || !(methaneLevelCritical == systemActive))) && (!(1 == systemActive) || 0 == \old(pumpRunning)) [2021-12-16 01:00:00,217 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:00:00,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:00:00,218 INFO L158 Benchmark]: Toolchain (without parser) took 8548.70ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 61.8MB in the beginning and 102.8MB in the end (delta: -41.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-16 01:00:00,218 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:00:00,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.41ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 61.5MB in the beginning and 87.9MB in the end (delta: -26.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 01:00:00,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.01ms. Allocated memory is still 119.5MB. Free memory was 87.9MB in the beginning and 85.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-16 01:00:00,219 INFO L158 Benchmark]: Boogie Preprocessor took 56.27ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 84.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:00:00,220 INFO L158 Benchmark]: RCFGBuilder took 456.08ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 67.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 01:00:00,220 INFO L158 Benchmark]: TraceAbstraction took 7478.02ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 109.1MB in the end (delta: -42.8MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2021-12-16 01:00:00,220 INFO L158 Benchmark]: Witness Printer took 59.34ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 102.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 01:00:00,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.41ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 61.5MB in the beginning and 87.9MB in the end (delta: -26.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.01ms. Allocated memory is still 119.5MB. Free memory was 87.9MB in the beginning and 85.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.27ms. Allocated memory is still 119.5MB. Free memory was 85.2MB in the beginning and 84.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.08ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 67.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7478.02ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 109.1MB in the end (delta: -42.8MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Witness Printer took 59.34ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 102.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: 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, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1217 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1188 mSDsluCounter, 3076 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2071 mSDsCounter, 226 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 849 IncrementalHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 226 mSolverCounterUnsat, 1005 mSDtfsCounter, 849 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=725occurred in iteration=9, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 288 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 1191 PreInvPairs, 1494 NumberOfFragments, 1935 HoareAnnotationTreeSize, 1191 FomulaSimplifications, 4932 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 37 FomulaSimplificationsInter, 17160 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 992 SizeOfPredicates, 4 NumberOfNonLiveVariables, 363 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 521]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || \result == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(2 == \result)) && !(0 == pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning)))) && ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && !(2 == \result)) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) || ((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(2 == \result)) && \result == 0))) && ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(2 == \result)) && !(0 == pumpRunning)) || \old(waterLevel) == 2) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || \result == 1) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((((((waterLevel == \old(waterLevel) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) && (((((waterLevel == \old(waterLevel) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(methaneLevelCritical == 0))) && (!(1 == systemActive) || 0 == \old(pumpRunning)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((\old(waterLevel) == 2 || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) && (((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == \result)) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0))) && ((((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == \result)) && \result == 0) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || 0 == \old(pumpRunning)) || (!(0 == \result) && !(0 == pumpRunning)))) && (((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(methaneLevelCritical == 0)) && (!(1 == systemActive) || !(methaneLevelCritical == systemActive))) && (!(1 == systemActive) || 0 == \old(pumpRunning)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && \result == 0) && pumpRunning == 0)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) && (((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && (!(1 == systemActive) || 0 == \old(pumpRunning)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) && (!(1 == systemActive) || 0 == \old(pumpRunning))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning))) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == pumpRunning))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (((((tmp == 0 && \result == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) && (!(1 == systemActive) || 0 == \old(pumpRunning))) && (((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || (((((tmp == 0 && \result == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((((((!(1 == systemActive) || !(methaneLevelCritical == systemActive)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && !(0 == tmp)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && !(0 == tmp)) && \result == 0) && pumpRunning == 0)) || (((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning))) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && !(0 == pumpRunning)))) && (((((!(1 == systemActive) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((((((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && !(0 == pumpRunning)) || !(1 == systemActive)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) && (!(1 == systemActive) || 0 == \old(pumpRunning))) && (((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0)) || ((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || 0 == \old(pumpRunning)) || !(0 == pumpRunning)) && ((((((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && \result == 0) && pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == systemActive)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0)) || ((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) || !(\old(pumpRunning) == 0)) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0))) && (((((!(1 == systemActive) || ((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || ((((((((tmp == 0 && \result == 1) && tmp == 1) && tmp___0 == 1) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0) && \result == 0) && !(0 == pumpRunning))) || !(methaneLevelCritical == 0)) || (((!(waterLevel == 2) && waterLevel == \old(waterLevel)) && tmp == 0) && \result == 0)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && methaneLevelCritical == systemActive) && systemActive == 1) || (((splverifierCounter == 0 && !(waterLevel == 2)) && methaneLevelCritical == 0) && systemActive == 1)) || ((splverifierCounter == 0 && !(0 == pumpRunning)) && systemActive == 1) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-16 01:00:00,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE