./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_product37.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 288d25dbf636d510765b70dd57b8dfe428e9c588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:44:06,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:06,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:06,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:06,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:06,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:06,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:06,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:06,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:06,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:06,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:06,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:06,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:06,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:06,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:06,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:06,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:06,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:06,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:06,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:06,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:06,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:06,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:06,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:06,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:06,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:06,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:06,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:06,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:06,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:06,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:06,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:06,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:06,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:06,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:06,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:06,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:06,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:06,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:06,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:06,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:06,988 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:07,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:07,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:07,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:07,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:07,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:07,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:07,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:07,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:07,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:07,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:07,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:07,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:07,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:07,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:07,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 288d25dbf636d510765b70dd57b8dfe428e9c588 [2021-08-26 08:44:07,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:07,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:07,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:07,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:07,271 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:07,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-08-26 08:44:07,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fbfbcd2f/9a6ce63bf86243c2bbd91a123ca6fc0f/FLAGb74ea3f2a [2021-08-26 08:44:07,753 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:07,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-08-26 08:44:07,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fbfbcd2f/9a6ce63bf86243c2bbd91a123ca6fc0f/FLAGb74ea3f2a [2021-08-26 08:44:07,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fbfbcd2f/9a6ce63bf86243c2bbd91a123ca6fc0f [2021-08-26 08:44:07,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:07,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:07,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:07,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:07,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:07,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:07" (1/1) ... [2021-08-26 08:44:07,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56087d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:07, skipping insertion in model container [2021-08-26 08:44:07,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:07" (1/1) ... [2021-08-26 08:44:07,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:07,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:07,983 WARN L228 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_product37.cil.c[16882,16895] [2021-08-26 08:44:07,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:08,002 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:08,039 WARN L228 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_product37.cil.c[16882,16895] [2021-08-26 08:44:08,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:08,056 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:08,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08 WrapperNode [2021-08-26 08:44:08,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:08,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:08,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:08,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:08,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:08,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:08,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:08,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:08,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:08,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:08,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:08,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:08,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (1/1) ... [2021-08-26 08:44:08,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:08,197 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) [2021-08-26 08:44:08,220 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 [2021-08-26 08:44:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:08,839 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:08,839 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-08-26 08:44:08,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:08 BoogieIcfgContainer [2021-08-26 08:44:08,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:08,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:08,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:08,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:08,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:07" (1/3) ... [2021-08-26 08:44:08,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbfa639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:08, skipping insertion in model container [2021-08-26 08:44:08,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:08" (2/3) ... [2021-08-26 08:44:08,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbfa639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:08, skipping insertion in model container [2021-08-26 08:44:08,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:08" (3/3) ... [2021-08-26 08:44:08,845 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2021-08-26 08:44:08,849 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:08,849 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:08,877 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:08,881 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-26 08:44:08,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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) [2021-08-26 08:44:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:08,896 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:08,896 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:08,896 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:08,900 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2021-08-26 08:44:08,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:08,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395213520] [2021-08-26 08:44:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:08,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395213520] [2021-08-26 08:44:09,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395213520] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:09,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396840137] [2021-08-26 08:44:09,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:09,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:09,104 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-08-26 08:44:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:09,138 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-08-26 08:44:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:09,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) Word has length 18 [2021-08-26 08:44:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:09,147 INFO L225 Difference]: With dead ends: 228 [2021-08-26 08:44:09,147 INFO L226 Difference]: Without dead ends: 113 [2021-08-26 08:44:09,149 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:09,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-08-26 08:44:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-08-26 08:44:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 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) [2021-08-26 08:44:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-08-26 08:44:09,185 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-08-26 08:44:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:09,186 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-08-26 08:44:09,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-08-26 08:44:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-08-26 08:44:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:09,189 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:09,189 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:09,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:09,189 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:09,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:09,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2021-08-26 08:44:09,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:09,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383471076] [2021-08-26 08:44:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:09,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383471076] [2021-08-26 08:44:09,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383471076] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:09,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453975420] [2021-08-26 08:44:09,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:09,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:09,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:09,309 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-08-26 08:44:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:09,323 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-08-26 08:44:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:09,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-08-26 08:44:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:09,325 INFO L225 Difference]: With dead ends: 113 [2021-08-26 08:44:09,325 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:44:09,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:09,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:44:09,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:44:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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) [2021-08-26 08:44:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-08-26 08:44:09,333 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-08-26 08:44:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:09,333 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-08-26 08:44:09,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-08-26 08:44:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-08-26 08:44:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:09,334 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:09,334 INFO L512 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] [2021-08-26 08:44:09,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:09,334 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:09,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:09,334 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2021-08-26 08:44:09,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:09,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465002966] [2021-08-26 08:44:09,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:09,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465002966] [2021-08-26 08:44:09,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465002966] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:09,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844296108] [2021-08-26 08:44:09,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:09,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:09,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:09,439 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-08-26 08:44:09,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:09,527 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-08-26 08:44:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:09,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) Word has length 24 [2021-08-26 08:44:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:09,528 INFO L225 Difference]: With dead ends: 88 [2021-08-26 08:44:09,528 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:44:09,528 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:44:09,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:44:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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) [2021-08-26 08:44:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-08-26 08:44:09,531 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-08-26 08:44:09,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:09,532 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-08-26 08:44:09,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-08-26 08:44:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-08-26 08:44:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:44:09,532 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:09,533 INFO L512 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] [2021-08-26 08:44:09,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:09,533 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:09,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:09,533 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2021-08-26 08:44:09,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:09,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312504260] [2021-08-26 08:44:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:09,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312504260] [2021-08-26 08:44:09,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312504260] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:09,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715525950] [2021-08-26 08:44:09,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:09,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:09,573 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-08-26 08:44:09,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:09,607 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-08-26 08:44:09,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:09,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) Word has length 26 [2021-08-26 08:44:09,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:09,608 INFO L225 Difference]: With dead ends: 111 [2021-08-26 08:44:09,608 INFO L226 Difference]: Without dead ends: 70 [2021-08-26 08:44:09,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:09,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-08-26 08:44:09,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-08-26 08:44:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 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) [2021-08-26 08:44:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-08-26 08:44:09,613 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-08-26 08:44:09,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:09,613 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-08-26 08:44:09,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-08-26 08:44:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-08-26 08:44:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:09,614 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:09,614 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:09,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:09,615 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:09,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:09,615 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2021-08-26 08:44:09,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:09,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655817967] [2021-08-26 08:44:09,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:09,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655817967] [2021-08-26 08:44:09,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655817967] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:09,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174669415] [2021-08-26 08:44:09,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:09,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:09,659 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-08-26 08:44:09,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:09,709 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-08-26 08:44:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:09,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) Word has length 32 [2021-08-26 08:44:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:09,711 INFO L225 Difference]: With dead ends: 183 [2021-08-26 08:44:09,711 INFO L226 Difference]: Without dead ends: 121 [2021-08-26 08:44:09,712 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:09,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-08-26 08:44:09,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-08-26 08:44:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 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) [2021-08-26 08:44:09,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-08-26 08:44:09,732 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-08-26 08:44:09,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:09,733 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-08-26 08:44:09,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-08-26 08:44:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-08-26 08:44:09,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:09,733 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:09,733 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:09,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:09,734 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:09,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:09,735 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2021-08-26 08:44:09,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:09,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774339113] [2021-08-26 08:44:09,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:09,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774339113] [2021-08-26 08:44:09,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774339113] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:09,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119697170] [2021-08-26 08:44:09,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:09,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:09,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:09,791 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-08-26 08:44:09,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:09,851 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-08-26 08:44:09,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:09,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) Word has length 32 [2021-08-26 08:44:09,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:09,852 INFO L225 Difference]: With dead ends: 373 [2021-08-26 08:44:09,852 INFO L226 Difference]: Without dead ends: 305 [2021-08-26 08:44:09,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-08-26 08:44:09,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-08-26 08:44:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 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) [2021-08-26 08:44:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-08-26 08:44:09,872 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-08-26 08:44:09,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:09,873 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-08-26 08:44:09,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-08-26 08:44:09,873 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-08-26 08:44:09,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:09,873 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:09,874 INFO L512 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] [2021-08-26 08:44:09,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:09,874 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:09,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:09,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2021-08-26 08:44:09,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:09,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862759824] [2021-08-26 08:44:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:09,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:09,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:09,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862759824] [2021-08-26 08:44:09,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862759824] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:09,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:09,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:09,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187590229] [2021-08-26 08:44:09,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:09,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:09,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:09,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:09,932 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:10,015 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-08-26 08:44:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:10,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) Word has length 33 [2021-08-26 08:44:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:10,018 INFO L225 Difference]: With dead ends: 250 [2021-08-26 08:44:10,018 INFO L226 Difference]: Without dead ends: 182 [2021-08-26 08:44:10,018 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-08-26 08:44:10,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-08-26 08:44:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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) [2021-08-26 08:44:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-08-26 08:44:10,049 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-08-26 08:44:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:10,049 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-08-26 08:44:10,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-08-26 08:44:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:10,050 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,050 INFO L512 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] [2021-08-26 08:44:10,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:10,051 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2021-08-26 08:44:10,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640215137] [2021-08-26 08:44:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:10,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:10,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640215137] [2021-08-26 08:44:10,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640215137] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:10,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:10,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:10,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743251144] [2021-08-26 08:44:10,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:10,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:10,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:10,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:10,103 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:10,144 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-08-26 08:44:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:10,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) Word has length 33 [2021-08-26 08:44:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:10,146 INFO L225 Difference]: With dead ends: 422 [2021-08-26 08:44:10,146 INFO L226 Difference]: Without dead ends: 295 [2021-08-26 08:44:10,147 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-08-26 08:44:10,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-08-26 08:44:10,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 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) [2021-08-26 08:44:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-08-26 08:44:10,158 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-08-26 08:44:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:10,159 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-08-26 08:44:10,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-08-26 08:44:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:10,159 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,160 INFO L512 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] [2021-08-26 08:44:10,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:10,160 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:10,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2021-08-26 08:44:10,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007469835] [2021-08-26 08:44:10,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:10,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:10,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007469835] [2021-08-26 08:44:10,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007469835] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:10,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:10,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:10,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980299614] [2021-08-26 08:44:10,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:10,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:10,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:10,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:10,198 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:10,321 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-08-26 08:44:10,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:10,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) Word has length 33 [2021-08-26 08:44:10,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:10,324 INFO L225 Difference]: With dead ends: 457 [2021-08-26 08:44:10,324 INFO L226 Difference]: Without dead ends: 290 [2021-08-26 08:44:10,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:10,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-08-26 08:44:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-08-26 08:44:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 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) [2021-08-26 08:44:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-08-26 08:44:10,336 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-08-26 08:44:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:10,337 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-08-26 08:44:10,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-08-26 08:44:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:10,340 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,340 INFO L512 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] [2021-08-26 08:44:10,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:10,341 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:10,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2021-08-26 08:44:10,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443119036] [2021-08-26 08:44:10,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:10,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:10,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443119036] [2021-08-26 08:44:10,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443119036] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:10,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:10,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:10,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104752393] [2021-08-26 08:44:10,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:10,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:10,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:10,421 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:10,459 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-08-26 08:44:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:10,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) Word has length 33 [2021-08-26 08:44:10,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:10,460 INFO L225 Difference]: With dead ends: 385 [2021-08-26 08:44:10,460 INFO L226 Difference]: Without dead ends: 239 [2021-08-26 08:44:10,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:10,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-08-26 08:44:10,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-08-26 08:44:10,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 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) [2021-08-26 08:44:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-08-26 08:44:10,468 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-08-26 08:44:10,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:10,468 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-08-26 08:44:10,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-08-26 08:44:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-08-26 08:44:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-26 08:44:10,469 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,470 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:10,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:10,470 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:10,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2021-08-26 08:44:10,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383760461] [2021-08-26 08:44:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 08:44:10,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:10,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383760461] [2021-08-26 08:44:10,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383760461] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:10,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:10,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:44:10,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257866304] [2021-08-26 08:44:10,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:10,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:10,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:10,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:10,531 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-08-26 08:44:10,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:10,575 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-08-26 08:44:10,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:10,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) Word has length 50 [2021-08-26 08:44:10,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:10,576 INFO L225 Difference]: With dead ends: 281 [2021-08-26 08:44:10,576 INFO L226 Difference]: Without dead ends: 173 [2021-08-26 08:44:10,576 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-08-26 08:44:10,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-08-26 08:44:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 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) [2021-08-26 08:44:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-08-26 08:44:10,590 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-08-26 08:44:10,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:10,590 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-08-26 08:44:10,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-08-26 08:44:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-08-26 08:44:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-26 08:44:10,591 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,591 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:10,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:44:10,591 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2021-08-26 08:44:10,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674043605] [2021-08-26 08:44:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:10,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:10,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674043605] [2021-08-26 08:44:10,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674043605] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:10,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:10,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:10,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707961543] [2021-08-26 08:44:10,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:10,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:10,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:10,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:10,626 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-08-26 08:44:10,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:10,702 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-08-26 08:44:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:10,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) Word has length 51 [2021-08-26 08:44:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:10,704 INFO L225 Difference]: With dead ends: 633 [2021-08-26 08:44:10,704 INFO L226 Difference]: Without dead ends: 515 [2021-08-26 08:44:10,704 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:10,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-08-26 08:44:10,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-08-26 08:44:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 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) [2021-08-26 08:44:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-08-26 08:44:10,732 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-08-26 08:44:10,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:10,733 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-08-26 08:44:10,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2021-08-26 08:44:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-08-26 08:44:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-26 08:44:10,733 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:10,734 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:10,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:44:10,734 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:10,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:10,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2021-08-26 08:44:10,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:10,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541025820] [2021-08-26 08:44:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:44:10,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:10,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541025820] [2021-08-26 08:44:10,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541025820] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:10,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529615668] [2021-08-26 08:44:10,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:10,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:44:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:10,794 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) [2021-08-26 08:44:10,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:44:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:10,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:44:10,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:44:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 08:44:11,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529615668] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:11,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:44:11,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-08-26 08:44:11,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747482269] [2021-08-26 08:44:11,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-26 08:44:11,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-26 08:44:11,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:44:11,150 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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) [2021-08-26 08:44:11,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,315 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-08-26 08:44:11,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:44:11,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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) Word has length 52 [2021-08-26 08:44:11,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,316 INFO L225 Difference]: With dead ends: 580 [2021-08-26 08:44:11,317 INFO L226 Difference]: Without dead ends: 346 [2021-08-26 08:44:11,317 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 87.7ms TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-08-26 08:44:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-08-26 08:44:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-08-26 08:44:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 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) [2021-08-26 08:44:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-08-26 08:44:11,337 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-08-26 08:44:11,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,337 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-08-26 08:44:11,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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) [2021-08-26 08:44:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-08-26 08:44:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:11,338 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,338 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:44:11,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-26 08:44:11,553 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,553 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2021-08-26 08:44:11,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005951039] [2021-08-26 08:44:11,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 08:44:11,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005951039] [2021-08-26 08:44:11,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005951039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:11,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685793171] [2021-08-26 08:44:11,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:11,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:11,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:11,596 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-26 08:44:11,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,694 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-08-26 08:44:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:44:11,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) Word has length 53 [2021-08-26 08:44:11,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,696 INFO L225 Difference]: With dead ends: 547 [2021-08-26 08:44:11,696 INFO L226 Difference]: Without dead ends: 377 [2021-08-26 08:44:11,696 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 43.5ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-08-26 08:44:11,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-08-26 08:44:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-08-26 08:44:11,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 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) [2021-08-26 08:44:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-08-26 08:44:11,711 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-08-26 08:44:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,711 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-08-26 08:44:11,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-26 08:44:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-08-26 08:44:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-08-26 08:44:11,712 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:11,712 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:11,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-26 08:44:11,712 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:11,712 INFO L82 PathProgramCache]: Analyzing trace with hash 848239207, now seen corresponding path program 1 times [2021-08-26 08:44:11,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:11,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883506695] [2021-08-26 08:44:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:11,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-08-26 08:44:11,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:11,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883506695] [2021-08-26 08:44:11,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883506695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:11,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:11,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:11,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686714533] [2021-08-26 08:44:11,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:11,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:11,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:11,767 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-08-26 08:44:11,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:11,876 INFO L93 Difference]: Finished difference Result 929 states and 1155 transitions. [2021-08-26 08:44:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:44:11,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) Word has length 74 [2021-08-26 08:44:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:11,877 INFO L225 Difference]: With dead ends: 929 [2021-08-26 08:44:11,877 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:11,878 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:11,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:11,878 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) [2021-08-26 08:44:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:11,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-08-26 08:44:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:11,879 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:11,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-08-26 08:44:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:11,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:11,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:11,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:11,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:11,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-26 08:44:11,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:11,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:11,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:11,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:11,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:11,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:11,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:12,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:13,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:17,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L857 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L857 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L857 garLoopResultBuilder]: For program point L862-2(line 862) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse14 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ~pumpRunning~0 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 (<= ~waterLevel~0 1) .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse11 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse4 .cse6 .cse7))) [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-26 08:44:17,715 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-08-26 08:44:17,715 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L857 garLoopResultBuilder]: For program point L770(lines 770 774) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L857 garLoopResultBuilder]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L638(lines 633 641) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10 .cse11))) [2021-08-26 08:44:17,715 INFO L853 garLoopResultBuilder]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L857 garLoopResultBuilder]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 749) no Hoare annotation was computed. [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10) (and .cse0 (= ~pumpRunning~0 0) .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10))) [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7))) [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse17 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse5 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10) (and .cse0 .cse16 .cse17 .cse11 .cse12 (<= ~waterLevel~0 1) .cse5 .cse8) (and .cse0 .cse16 .cse17 .cse3 .cse5 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse13 .cse14 .cse5 .cse6 .cse15 .cse8 .cse9 .cse10))) [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L853 garLoopResultBuilder]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2021-08-26 08:44:17,716 INFO L857 garLoopResultBuilder]: For program point L709(lines 708 753) no Hoare annotation was computed. [2021-08-26 08:44:17,716 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 714) no Hoare annotation was computed. [2021-08-26 08:44:17,716 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 896) no Hoare annotation was computed. [2021-08-26 08:44:17,716 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 748) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L882(lines 882 895) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L853 garLoopResultBuilder]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse18 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse19 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse10 .cse11 .cse5 .cse12 .cse6 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse16 .cse17 .cse5 .cse18 .cse12 .cse19 .cse7 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse16 .cse5 .cse18 .cse19 .cse7) (and .cse0 .cse8 .cse9 .cse16 .cse10 .cse11 .cse5 .cse18 .cse12 .cse19 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse17 .cse5 .cse12 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7))) [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L853 garLoopResultBuilder]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2021-08-26 08:44:17,717 INFO L853 garLoopResultBuilder]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2021-08-26 08:44:17,717 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 602) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 724) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse18 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse16 (or (and .cse0 .cse2 .cse8 .cse5 .cse18 .cse6 .cse13) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse6 .cse13))) (.cse11 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse6 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse9 .cse5 .cse11 .cse12 .cse6) (and .cse7 .cse15 .cse3 .cse16 .cse17 .cse14) (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse15 .cse3 .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse17 .cse6) (and .cse7 .cse9 .cse16 .cse11 .cse12 .cse14) (and .cse0 .cse7 .cse8 .cse15 .cse3 .cse10 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse17 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse18 .cse6)))) [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L852(lines 843 856) the Hoare annotation is: false [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse8 (not .cse6)) (.cse9 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse10 .cse11 .cse4 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse2 .cse11 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6 .cse7)))) [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L853 garLoopResultBuilder]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,718 INFO L857 garLoopResultBuilder]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 892) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L853 garLoopResultBuilder]: At program point L754(lines 707 755) the Hoare annotation is: false [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 597) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 576) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2021-08-26 08:44:17,719 INFO L857 garLoopResultBuilder]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse4 .cse6))) [2021-08-26 08:44:17,720 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2021-08-26 08:44:17,720 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:17,720 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L693(lines 678 696) the Hoare annotation is: false [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse12 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse16 (not .cse3)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse12 .cse0 .cse1 .cse13 .cse11 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9) (and .cse12 .cse0 .cse1 .cse13 .cse4 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9)))) [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2021-08-26 08:44:17,720 INFO L853 garLoopResultBuilder]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2021-08-26 08:44:17,721 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-08-26 08:44:17,721 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-08-26 08:44:17,721 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:44:17,721 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2021-08-26 08:44:17,721 INFO L853 garLoopResultBuilder]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse4 .cse6 .cse10 .cse8 (= ~waterLevel~0 1) .cse9 .cse13) (and .cse4 .cse6 .cse10 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse13))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse11 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse0 .cse10 .cse7 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse0 .cse7 .cse2 .cse3) (and .cse4 .cse0 .cse10 .cse1 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse8 .cse9)))) [2021-08-26 08:44:17,722 INFO L853 garLoopResultBuilder]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7))) [2021-08-26 08:44:17,722 INFO L853 garLoopResultBuilder]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2021-08-26 08:44:17,722 INFO L857 garLoopResultBuilder]: For program point L563(lines 563 571) no Hoare annotation was computed. [2021-08-26 08:44:17,722 INFO L853 garLoopResultBuilder]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2021-08-26 08:44:17,723 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2021-08-26 08:44:17,723 INFO L857 garLoopResultBuilder]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2021-08-26 08:44:17,723 INFO L857 garLoopResultBuilder]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2021-08-26 08:44:17,723 INFO L857 garLoopResultBuilder]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2021-08-26 08:44:17,723 INFO L857 garLoopResultBuilder]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2021-08-26 08:44:17,727 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:17,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:17 BoogieIcfgContainer [2021-08-26 08:44:17,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:17,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:17,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:17,763 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:17,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:08" (3/4) ... [2021-08-26 08:44:17,770 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:17,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:17,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:17,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:17,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:17,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:17,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:17,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:17,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-08-26 08:44:17,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-08-26 08:44:17,811 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-08-26 08:44:17,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-08-26 08:44:17,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-08-26 08:44:17,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-08-26 08:44:17,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-08-26 08:44:17,814 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-08-26 08:44:17,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-08-26 08:44:17,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-08-26 08:44:17,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) [2021-08-26 08:44:17,817 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) [2021-08-26 08:44:17,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) [2021-08-26 08:44:17,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) [2021-08-26 08:44:17,857 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:17,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:17,858 INFO L168 Benchmark]: Toolchain (without parser) took 10078.68 ms. Allocated memory was 65.0 MB in the beginning and 241.2 MB in the end (delta: 176.2 MB). Free memory was 44.6 MB in the beginning and 107.6 MB in the end (delta: -63.0 MB). Peak memory consumption was 115.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,858 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 46.1 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:17,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.99 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 42.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.85 ms. Allocated memory is still 65.0 MB. Free memory was 42.8 MB in the beginning and 39.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,859 INFO L168 Benchmark]: Boogie Preprocessor took 52.92 ms. Allocated memory is still 65.0 MB. Free memory was 39.1 MB in the beginning and 36.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,860 INFO L168 Benchmark]: RCFGBuilder took 671.48 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.6 MB in the beginning and 63.5 MB in the end (delta: -26.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,860 INFO L168 Benchmark]: TraceAbstraction took 8921.50 ms. Allocated memory was 88.1 MB in the beginning and 241.2 MB in the end (delta: 153.1 MB). Free memory was 63.5 MB in the beginning and 118.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 144.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,860 INFO L168 Benchmark]: Witness Printer took 93.91 ms. Allocated memory is still 241.2 MB. Free memory was 118.1 MB in the beginning and 107.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:17,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 65.0 MB. Free memory was 46.1 MB in the beginning and 46.1 MB in the end (delta: 40.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.99 ms. Allocated memory is still 65.0 MB. Free memory was 44.3 MB in the beginning and 42.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.85 ms. Allocated memory is still 65.0 MB. Free memory was 42.8 MB in the beginning and 39.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.92 ms. Allocated memory is still 65.0 MB. Free memory was 39.1 MB in the beginning and 36.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 671.48 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.6 MB in the beginning and 63.5 MB in the end (delta: -26.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8921.50 ms. Allocated memory was 88.1 MB in the beginning and 241.2 MB in the end (delta: 153.1 MB). Free memory was 63.5 MB in the beginning and 118.1 MB in the end (delta: -54.6 MB). Peak memory consumption was 144.4 MB. Max. memory is 16.1 GB. * Witness Printer took 93.91 ms. Allocated memory is still 241.2 MB. Free memory was 118.1 MB in the beginning and 107.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: 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 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8850.3ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 18.8ms, AutomataDifference: 1133.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5832.1ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1538 SDtfs, 2322 SDslu, 2475 SDs, 0 SdLazy, 390 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 483.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 331.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 208.5ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 313 NumberOfFragments, 1898 HoareAnnotationTreeSize, 45 FomulaSimplifications, 5385353 FormulaSimplificationTreeSizeReduction, 1362.9ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 1279027 FormulaSimplificationTreeSizeReductionInter, 4455.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 62.2ms SsaConstructionTime, 271.6ms SatisfiabilityAnalysisTime, 867.3ms InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 3 NumberOfNonLiveVariables, 430 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 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 3 specifications checked. All of them hold - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:17,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...