./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product50.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_product50.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 99571b525880b8ef5d438b0b12df7f7fd3755f6b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:44:13,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:13,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:13,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:13,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:13,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:13,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:13,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:13,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:13,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:13,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:13,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:13,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:13,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:13,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:13,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:13,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:13,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:13,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:13,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:13,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:13,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:13,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:13,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:13,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:13,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:13,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:13,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:13,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:13,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:13,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:13,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:13,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:13,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:13,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:13,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:13,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:13,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:13,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:13,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:13,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:13,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:13,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:13,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:13,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:13,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:13,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:13,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:13,384 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:13,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:13,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:13,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:13,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:13,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:13,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:13,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:13,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:13,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:13,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:13,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:13,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:13,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:13,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:13,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:13,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:13,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:13,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99571b525880b8ef5d438b0b12df7f7fd3755f6b [2021-08-26 08:44:13,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:13,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:13,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:13,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:13,688 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:13,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-08-26 08:44:13,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568601c13/859623746e3748ed868c8335866ecfc7/FLAGc5bec3843 [2021-08-26 08:44:14,134 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:14,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2021-08-26 08:44:14,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568601c13/859623746e3748ed868c8335866ecfc7/FLAGc5bec3843 [2021-08-26 08:44:14,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568601c13/859623746e3748ed868c8335866ecfc7 [2021-08-26 08:44:14,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:14,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:14,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:14,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:14,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:14,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b3527a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14, skipping insertion in model container [2021-08-26 08:44:14,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:14,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:14,731 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_product50.cil.c[14819,14832] [2021-08-26 08:44:14,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:14,750 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:14,788 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_product50.cil.c[14819,14832] [2021-08-26 08:44:14,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:14,812 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:14,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14 WrapperNode [2021-08-26 08:44:14,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:14,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:14,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:14,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:14,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:14,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:14,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:14,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:14,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:14,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:14,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:14,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:14,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (1/1) ... [2021-08-26 08:44:14,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:14,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:14,944 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 08:44:14,964 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 08:44:14,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:14,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:14,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:15,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:15,779 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-08-26 08:44:15,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:15 BoogieIcfgContainer [2021-08-26 08:44:15,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:15,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:15,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:15,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:15,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:14" (1/3) ... [2021-08-26 08:44:15,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766720e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:15, skipping insertion in model container [2021-08-26 08:44:15,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:14" (2/3) ... [2021-08-26 08:44:15,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766720e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:15, skipping insertion in model container [2021-08-26 08:44:15,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:15" (3/3) ... [2021-08-26 08:44:15,791 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2021-08-26 08:44:15,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:15,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:15,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:15,826 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 08:44:15,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:15,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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 08:44:15,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:44:15,847 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:15,848 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 08:44:15,849 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 08:44:15,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:15,852 INFO L82 PathProgramCache]: Analyzing trace with hash -370159664, now seen corresponding path program 1 times [2021-08-26 08:44:15,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:15,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429223145] [2021-08-26 08:44:15,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:15,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,037 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 08:44:16,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429223145] [2021-08-26 08:44:16,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429223145] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:16,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309145634] [2021-08-26 08:44:16,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:16,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:16,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:16,053 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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 08:44:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,072 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-08-26 08:44:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:16,073 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 08:44:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,081 INFO L225 Difference]: With dead ends: 240 [2021-08-26 08:44:16,082 INFO L226 Difference]: Without dead ends: 119 [2021-08-26 08:44:16,084 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 08:44:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-08-26 08:44:16,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-08-26 08:44:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5) internal successors, (174), 118 states have internal predecessors, (174), 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 08:44:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-08-26 08:44:16,137 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-08-26 08:44:16,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,138 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-08-26 08:44:16,139 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 08:44:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-08-26 08:44:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:44:16,141 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,141 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 08:44:16,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:16,142 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 08:44:16,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,145 INFO L82 PathProgramCache]: Analyzing trace with hash -37103251, now seen corresponding path program 1 times [2021-08-26 08:44:16,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586978497] [2021-08-26 08:44:16,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,263 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 08:44:16,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586978497] [2021-08-26 08:44:16,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586978497] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,264 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:16,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97300261] [2021-08-26 08:44:16,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:16,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:16,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:16,270 INFO L87 Difference]: Start difference. First operand 119 states and 174 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 08:44:16,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,288 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-08-26 08:44:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:16,290 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 08:44:16,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,291 INFO L225 Difference]: With dead ends: 119 [2021-08-26 08:44:16,291 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:44:16,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:16,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:44:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:44:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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 08:44:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-08-26 08:44:16,301 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-08-26 08:44:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,302 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-08-26 08:44:16,302 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 08:44:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-08-26 08:44:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:16,303 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,303 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 08:44:16,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:16,304 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 08:44:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1803952717, now seen corresponding path program 1 times [2021-08-26 08:44:16,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256948478] [2021-08-26 08:44:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,399 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 08:44:16,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256948478] [2021-08-26 08:44:16,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256948478] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27250137] [2021-08-26 08:44:16,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:16,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:16,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,405 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 5 states, 5 states have (on average 4.8) 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 08:44:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,472 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-08-26 08:44:16,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:16,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 08:44:16,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,478 INFO L225 Difference]: With dead ends: 92 [2021-08-26 08:44:16,479 INFO L226 Difference]: Without dead ends: 49 [2021-08-26 08:44:16,479 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-08-26 08:44:16,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-08-26 08:44:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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 08:44:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-08-26 08:44:16,485 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-08-26 08:44:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,485 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-08-26 08:44:16,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 08:44:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-08-26 08:44:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:44:16,486 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,486 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 08:44:16,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:16,486 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 08:44:16,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1055002865, now seen corresponding path program 1 times [2021-08-26 08:44:16,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290664606] [2021-08-26 08:44:16,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,542 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 08:44:16,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290664606] [2021-08-26 08:44:16,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290664606] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:16,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429718044] [2021-08-26 08:44:16,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:16,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:16,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:16,544 INFO L87 Difference]: Start difference. First operand 49 states and 70 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 08:44:16,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,574 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-08-26 08:44:16,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:16,575 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 08:44:16,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,576 INFO L225 Difference]: With dead ends: 115 [2021-08-26 08:44:16,576 INFO L226 Difference]: Without dead ends: 72 [2021-08-26 08:44:16,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-08-26 08:44:16,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-08-26 08:44:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 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 08:44:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-08-26 08:44:16,584 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-08-26 08:44:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,585 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-08-26 08:44:16,585 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 08:44:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-08-26 08:44:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:16,586 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,587 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 08:44:16,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:16,588 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 08:44:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1200859520, now seen corresponding path program 1 times [2021-08-26 08:44:16,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766245222] [2021-08-26 08:44:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,661 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 08:44:16,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766245222] [2021-08-26 08:44:16,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766245222] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:16,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748479772] [2021-08-26 08:44:16,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:16,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:16,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,663 INFO L87 Difference]: Start difference. First operand 70 states and 99 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 08:44:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,751 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-08-26 08:44:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:16,751 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 08:44:16,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,752 INFO L225 Difference]: With dead ends: 187 [2021-08-26 08:44:16,752 INFO L226 Difference]: Without dead ends: 123 [2021-08-26 08:44:16,753 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:16,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-08-26 08:44:16,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-08-26 08:44:16,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 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 08:44:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-08-26 08:44:16,758 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-08-26 08:44:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,759 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-08-26 08:44:16,759 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 08:44:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-08-26 08:44:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 08:44:16,759 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,760 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 08:44:16,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:16,760 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 08:44:16,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1966711683, now seen corresponding path program 1 times [2021-08-26 08:44:16,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611786803] [2021-08-26 08:44:16,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:16,810 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 08:44:16,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:16,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611786803] [2021-08-26 08:44:16,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611786803] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:16,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:16,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:16,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911147822] [2021-08-26 08:44:16,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:16,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:16,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:16,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:16,812 INFO L87 Difference]: Start difference. First operand 76 states and 105 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 08:44:16,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:16,955 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-08-26 08:44:16,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:16,956 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 08:44:16,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:16,957 INFO L225 Difference]: With dead ends: 381 [2021-08-26 08:44:16,957 INFO L226 Difference]: Without dead ends: 311 [2021-08-26 08:44:16,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 41.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:16,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-08-26 08:44:16,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-08-26 08:44:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.3688524590163935) internal successors, (167), 122 states have internal predecessors, (167), 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 08:44:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-08-26 08:44:16,967 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-08-26 08:44:16,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:16,967 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-08-26 08:44:16,967 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 08:44:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-08-26 08:44:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:16,968 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:16,968 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 08:44:16,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:44:16,970 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 08:44:16,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:16,970 INFO L82 PathProgramCache]: Analyzing trace with hash 895665153, now seen corresponding path program 1 times [2021-08-26 08:44:16,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:16,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92909354] [2021-08-26 08:44:16,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:16,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,016 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 08:44:17,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92909354] [2021-08-26 08:44:17,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92909354] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:17,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218325032] [2021-08-26 08:44:17,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:17,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:17,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:17,019 INFO L87 Difference]: Start difference. First operand 123 states and 167 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 08:44:17,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,104 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2021-08-26 08:44:17,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 08:44:17,105 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 08:44:17,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,107 INFO L225 Difference]: With dead ends: 254 [2021-08-26 08:44:17,107 INFO L226 Difference]: Without dead ends: 184 [2021-08-26 08:44:17,107 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:17,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-08-26 08:44:17,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2021-08-26 08:44:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 180 states have internal predecessors, (246), 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 08:44:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2021-08-26 08:44:17,128 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2021-08-26 08:44:17,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,128 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2021-08-26 08:44:17,128 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 08:44:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2021-08-26 08:44:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:17,129 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,129 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 08:44:17,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:44:17,130 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 08:44:17,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,130 INFO L82 PathProgramCache]: Analyzing trace with hash -115452097, now seen corresponding path program 1 times [2021-08-26 08:44:17,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578022265] [2021-08-26 08:44:17,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,188 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 08:44:17,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578022265] [2021-08-26 08:44:17,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578022265] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:17,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717545923] [2021-08-26 08:44:17,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 08:44:17,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 08:44:17,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 08:44:17,193 INFO L87 Difference]: Start difference. First operand 181 states and 246 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 08:44:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,244 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2021-08-26 08:44:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:17,245 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 08:44:17,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,246 INFO L225 Difference]: With dead ends: 428 [2021-08-26 08:44:17,246 INFO L226 Difference]: Without dead ends: 299 [2021-08-26 08:44:17,247 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-08-26 08:44:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2021-08-26 08:44:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.367816091954023) internal successors, (238), 174 states have internal predecessors, (238), 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 08:44:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2021-08-26 08:44:17,257 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2021-08-26 08:44:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,257 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2021-08-26 08:44:17,257 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 08:44:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2021-08-26 08:44:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:17,260 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,260 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 08:44:17,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:44:17,261 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 08:44:17,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1270109434, now seen corresponding path program 1 times [2021-08-26 08:44:17,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448870039] [2021-08-26 08:44:17,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,334 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 08:44:17,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448870039] [2021-08-26 08:44:17,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448870039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:17,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718806335] [2021-08-26 08:44:17,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,336 INFO L87 Difference]: Start difference. First operand 175 states and 238 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 08:44:17,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,468 INFO L93 Difference]: Finished difference Result 465 states and 646 transitions. [2021-08-26 08:44:17,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:44:17,469 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 08:44:17,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,470 INFO L225 Difference]: With dead ends: 465 [2021-08-26 08:44:17,470 INFO L226 Difference]: Without dead ends: 296 [2021-08-26 08:44:17,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 41.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:44:17,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-08-26 08:44:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 154. [2021-08-26 08:44:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 153 states have internal predecessors, (202), 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 08:44:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2021-08-26 08:44:17,482 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2021-08-26 08:44:17,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,483 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2021-08-26 08:44:17,483 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 08:44:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2021-08-26 08:44:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:44:17,484 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,484 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 08:44:17,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:44:17,484 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 08:44:17,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,484 INFO L82 PathProgramCache]: Analyzing trace with hash 142713341, now seen corresponding path program 1 times [2021-08-26 08:44:17,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60125544] [2021-08-26 08:44:17,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,528 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 08:44:17,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60125544] [2021-08-26 08:44:17,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60125544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:17,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947411611] [2021-08-26 08:44:17,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,530 INFO L87 Difference]: Start difference. First operand 154 states and 202 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 08:44:17,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,585 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-08-26 08:44:17,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:17,586 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 08:44:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,587 INFO L225 Difference]: With dead ends: 391 [2021-08-26 08:44:17,587 INFO L226 Difference]: Without dead ends: 243 [2021-08-26 08:44:17,587 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-08-26 08:44:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2021-08-26 08:44:17,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.297872340425532) internal successors, (183), 141 states have internal predecessors, (183), 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 08:44:17,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2021-08-26 08:44:17,596 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2021-08-26 08:44:17,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,597 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2021-08-26 08:44:17,597 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 08:44:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2021-08-26 08:44:17,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-26 08:44:17,598 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,598 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, 1, 1] [2021-08-26 08:44:17,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-26 08:44:17,598 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 08:44:17,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,599 INFO L82 PathProgramCache]: Analyzing trace with hash 749127781, now seen corresponding path program 1 times [2021-08-26 08:44:17,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962774379] [2021-08-26 08:44:17,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,653 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 08:44:17,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962774379] [2021-08-26 08:44:17,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962774379] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:44:17,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390654348] [2021-08-26 08:44:17,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:17,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:17,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:17,655 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 08:44:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,711 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2021-08-26 08:44:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:17,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 08:44:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,713 INFO L225 Difference]: With dead ends: 285 [2021-08-26 08:44:17,713 INFO L226 Difference]: Without dead ends: 175 [2021-08-26 08:44:17,713 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 47.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:17,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-08-26 08:44:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2021-08-26 08:44:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.304) internal successors, (163), 125 states have internal predecessors, (163), 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 08:44:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-08-26 08:44:17,722 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2021-08-26 08:44:17,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,723 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-08-26 08:44:17,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 08:44:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-08-26 08:44:17,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-26 08:44:17,723 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,723 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, 1, 1] [2021-08-26 08:44:17,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-26 08:44:17,724 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 08:44:17,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,724 INFO L82 PathProgramCache]: Analyzing trace with hash 176703009, now seen corresponding path program 1 times [2021-08-26 08:44:17,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623588544] [2021-08-26 08:44:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,771 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 08:44:17,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623588544] [2021-08-26 08:44:17,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623588544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:17,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337404788] [2021-08-26 08:44:17,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,773 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 08:44:17,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,856 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2021-08-26 08:44:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:17,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 08:44:17,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,858 INFO L225 Difference]: With dead ends: 656 [2021-08-26 08:44:17,858 INFO L226 Difference]: Without dead ends: 536 [2021-08-26 08:44:17,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:17,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-08-26 08:44:17,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2021-08-26 08:44:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2757201646090535) internal successors, (310), 243 states have internal predecessors, (310), 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 08:44:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2021-08-26 08:44:17,873 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2021-08-26 08:44:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:17,874 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2021-08-26 08:44:17,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 08:44:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2021-08-26 08:44:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:44:17,874 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:17,875 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, 1, 1] [2021-08-26 08:44:17,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-26 08:44:17,875 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 08:44:17,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:17,875 INFO L82 PathProgramCache]: Analyzing trace with hash 53419547, now seen corresponding path program 1 times [2021-08-26 08:44:17,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:17,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869788476] [2021-08-26 08:44:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:17,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:17,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 08:44:17,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:17,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869788476] [2021-08-26 08:44:17,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869788476] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:17,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:17,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:17,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939573352] [2021-08-26 08:44:17,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:17,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:17,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:17,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:17,936 INFO L87 Difference]: Start difference. First operand 244 states and 310 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 08:44:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:17,993 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2021-08-26 08:44:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:44:17,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 54 [2021-08-26 08:44:17,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:17,995 INFO L225 Difference]: With dead ends: 516 [2021-08-26 08:44:17,995 INFO L226 Difference]: Without dead ends: 330 [2021-08-26 08:44:17,995 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:17,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-08-26 08:44:18,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2021-08-26 08:44:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2690763052208835) internal successors, (316), 249 states have internal predecessors, (316), 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 08:44:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2021-08-26 08:44:18,009 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2021-08-26 08:44:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,009 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2021-08-26 08:44:18,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 08:44:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2021-08-26 08:44:18,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-26 08:44:18,010 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,010 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, 1, 1] [2021-08-26 08:44:18,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-26 08:44:18,011 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 08:44:18,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,011 INFO L82 PathProgramCache]: Analyzing trace with hash 311584985, now seen corresponding path program 1 times [2021-08-26 08:44:18,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531335853] [2021-08-26 08:44:18,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,084 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 08:44:18,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531335853] [2021-08-26 08:44:18,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531335853] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:18,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268151012] [2021-08-26 08:44:18,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:44:18,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:18,096 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 08:44:18,097 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 08:44:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:44:18,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:44:18,478 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 08:44:18,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268151012] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:18,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:44:18,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-08-26 08:44:18,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645272577] [2021-08-26 08:44:18,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-26 08:44:18,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:18,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-26 08:44:18,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:44:18,480 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 08:44:18,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:18,683 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2021-08-26 08:44:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:44:18,683 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 54 [2021-08-26 08:44:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:18,684 INFO L225 Difference]: With dead ends: 608 [2021-08-26 08:44:18,685 INFO L226 Difference]: Without dead ends: 364 [2021-08-26 08:44:18,685 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 79.6ms TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-08-26 08:44:18,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-08-26 08:44:18,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2021-08-26 08:44:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.2297872340425533) internal successors, (289), 235 states have internal predecessors, (289), 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 08:44:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2021-08-26 08:44:18,698 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2021-08-26 08:44:18,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:18,699 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2021-08-26 08:44:18,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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 08:44:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2021-08-26 08:44:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-26 08:44:18,699 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:18,699 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, 1, 1] [2021-08-26 08:44:18,717 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 08:44:18,912 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,SelfDestructingSolverStorable13 [2021-08-26 08:44:18,912 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 08:44:18,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:18,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1497135604, now seen corresponding path program 1 times [2021-08-26 08:44:18,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:18,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102906239] [2021-08-26 08:44:18,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-26 08:44:18,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:18,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102906239] [2021-08-26 08:44:18,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102906239] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:18,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085648118] [2021-08-26 08:44:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:18,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:44:18,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:18,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:44:19,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-26 08:44:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:19,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-26 08:44:19,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:44:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-26 08:44:19,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085648118] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:44:19,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:44:19,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-08-26 08:44:19,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373434282] [2021-08-26 08:44:19,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-26 08:44:19,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:19,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-26 08:44:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:44:19,279 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 08:44:19,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:19,457 INFO L93 Difference]: Finished difference Result 858 states and 1074 transitions. [2021-08-26 08:44:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-26 08:44:19,457 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 55 [2021-08-26 08:44:19,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:19,457 INFO L225 Difference]: With dead ends: 858 [2021-08-26 08:44:19,457 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:19,458 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 60.1ms TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-08-26 08:44:19,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:19,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:19,459 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 08:44:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:19,459 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-08-26 08:44:19,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:19,459 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:19,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 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 08:44:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:19,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:19,461 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:19,462 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:19,462 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:19,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-26 08:44:19,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-26 08:44:19,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:19,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:19,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:20,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:25,249 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-08-26 08:44:25,249 INFO L857 garLoopResultBuilder]: For program point L696(line 696) no Hoare annotation was computed. [2021-08-26 08:44:25,249 INFO L857 garLoopResultBuilder]: For program point L696-1(line 696) no Hoare annotation was computed. [2021-08-26 08:44:25,249 INFO L857 garLoopResultBuilder]: For program point L696-2(line 696) no Hoare annotation was computed. [2021-08-26 08:44:25,249 INFO L853 garLoopResultBuilder]: At program point L963(lines 948 966) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-08-26 08:44:25,249 INFO L853 garLoopResultBuilder]: At program point L963-1(lines 948 966) the Hoare annotation is: false [2021-08-26 08:44:25,249 INFO L853 garLoopResultBuilder]: At program point L963-2(lines 948 966) the Hoare annotation is: false [2021-08-26 08:44:25,250 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-08-26 08:44:25,250 INFO L853 garLoopResultBuilder]: At program point L732-1(lines 732 738) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse11 (= ~pumpRunning~0 1))) (let ((.cse6 (or (and .cse7 (= ~waterLevel~0 1) .cse9 .cse10 .cse11) (and .cse7 (<= 2 ~waterLevel~0) .cse9 .cse10 .cse11))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse13 .cse1 .cse3 .cse4 .cse5 .cse10) (and .cse7 .cse13 .cse12 .cse3 .cse4 .cse5 .cse10) (and .cse7 .cse0 .cse12 .cse2 (<= ~waterLevel~0 1) .cse3 .cse5 .cse8 .cse9 .cse10 .cse11)))) [2021-08-26 08:44:25,250 INFO L853 garLoopResultBuilder]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2021-08-26 08:44:25,250 INFO L857 garLoopResultBuilder]: For program point L568(line 568) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L535-2(lines 535 541) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L535-3(lines 535 541) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L535-4(lines 535 541) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L535-5(lines 535 541) no Hoare annotation was computed. [2021-08-26 08:44:25,251 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 778 784) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L857 garLoopResultBuilder]: For program point L836(lines 836 853) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L857 garLoopResultBuilder]: For program point L836-1(lines 836 853) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L857 garLoopResultBuilder]: For program point L836-2(lines 836 853) no Hoare annotation was computed. [2021-08-26 08:44:25,252 INFO L853 garLoopResultBuilder]: At program point L540(lines 531 544) the Hoare annotation is: false [2021-08-26 08:44:25,252 INFO L853 garLoopResultBuilder]: At program point L540-1(lines 531 544) the Hoare annotation is: (let ((.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse9 (not .cse7)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse10 .cse4 .cse6 .cse8) (and .cse0 .cse1 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse11 .cse10 .cse4 .cse6 .cse8)))) [2021-08-26 08:44:25,252 INFO L853 garLoopResultBuilder]: At program point L540-2(lines 531 544) the Hoare annotation is: false [2021-08-26 08:44:25,253 INFO L853 garLoopResultBuilder]: At program point L540-3(lines 531 544) the Hoare annotation is: false [2021-08-26 08:44:25,253 INFO L853 garLoopResultBuilder]: At program point L540-4(lines 531 544) the Hoare annotation is: false [2021-08-26 08:44:25,253 INFO L853 garLoopResultBuilder]: At program point L540-5(lines 531 544) the Hoare annotation is: false [2021-08-26 08:44:25,253 INFO L857 garLoopResultBuilder]: For program point L938(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,253 INFO L857 garLoopResultBuilder]: For program point L938-2(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,253 INFO L857 garLoopResultBuilder]: For program point L938-3(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,253 INFO L857 garLoopResultBuilder]: For program point L938-5(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,253 INFO L857 garLoopResultBuilder]: For program point L938-6(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,253 INFO L857 garLoopResultBuilder]: For program point L938-8(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L938-9(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L938-11(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L938-12(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L938-14(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L938-15(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L938-17(lines 938 942) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 848) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L840-1(lines 840 848) no Hoare annotation was computed. [2021-08-26 08:44:25,254 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 848) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 755) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 650) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L860 garLoopResultBuilder]: At program point L643-1(lines 643 650) the Hoare annotation is: true [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 827) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L810-1(lines 810 827) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L810-2(lines 810 827) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L810-3(lines 810 827) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L810-4(lines 810 827) no Hoare annotation was computed. [2021-08-26 08:44:25,255 INFO L857 garLoopResultBuilder]: For program point L810-5(lines 810 827) no Hoare annotation was computed. [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L778(lines 777 796) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse12 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse11 .cse10 .cse5 .cse12 .cse6 .cse8) (and .cse0 .cse11 .cse2 .cse5 .cse12 .cse6 .cse8))) [2021-08-26 08:44:25,256 INFO L857 garLoopResultBuilder]: For program point L778-1(lines 778 784) no Hoare annotation was computed. [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L778-2(lines 777 796) the Hoare annotation is: false [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L679(lines 1 974) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L778-3(lines 777 796) the Hoare annotation is: false [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L944(lines 929 947) the Hoare annotation is: false [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L944-1(lines 929 947) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse12 (not .cse9)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse13 (not .cse10)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse13 .cse14 .cse15 .cse16 .cse17 .cse6 .cse8 .cse11) (and .cse12 .cse0 .cse1 .cse3 .cse13 .cse15 .cse16 .cse17 .cse6 .cse8 .cse11) (and .cse0 .cse1 .cse2 .cse14 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11)))) [2021-08-26 08:44:25,256 INFO L853 garLoopResultBuilder]: At program point L944-2(lines 929 947) the Hoare annotation is: false [2021-08-26 08:44:25,257 INFO L853 garLoopResultBuilder]: At program point L944-3(lines 929 947) the Hoare annotation is: false [2021-08-26 08:44:25,257 INFO L853 garLoopResultBuilder]: At program point L944-4(lines 929 947) the Hoare annotation is: false [2021-08-26 08:44:25,257 INFO L853 garLoopResultBuilder]: At program point L944-5(lines 929 947) the Hoare annotation is: false [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point L713(lines 712 759) no Hoare annotation was computed. [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 822) no Hoare annotation was computed. [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2021-08-26 08:44:25,257 INFO L857 garLoopResultBuilder]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2021-08-26 08:44:25,258 INFO L857 garLoopResultBuilder]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2021-08-26 08:44:25,258 INFO L857 garLoopResultBuilder]: For program point L814-4(lines 814 822) no Hoare annotation was computed. [2021-08-26 08:44:25,258 INFO L857 garLoopResultBuilder]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2021-08-26 08:44:25,258 INFO L853 garLoopResultBuilder]: At program point L616(lines 612 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~4 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:25,258 INFO L853 garLoopResultBuilder]: At program point L550(lines 545 553) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse7 (not (= 0 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-08-26 08:44:25,258 INFO L853 garLoopResultBuilder]: At program point L550-1(lines 545 553) the Hoare annotation is: false [2021-08-26 08:44:25,258 INFO L853 garLoopResultBuilder]: At program point L550-2(lines 545 553) the Hoare annotation is: false [2021-08-26 08:44:25,258 INFO L857 garLoopResultBuilder]: For program point L750(lines 750 754) no Hoare annotation was computed. [2021-08-26 08:44:25,259 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 778 784) the Hoare annotation is: (let ((.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse11 (= ~pumpRunning~0 1))) (let ((.cse6 (or (and .cse7 (= ~waterLevel~0 1) .cse9 .cse10 .cse11) (and .cse7 (<= 2 ~waterLevel~0) .cse9 .cse10 .cse11))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~7 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse12 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse13 .cse1 .cse3 .cse4 .cse5 .cse10) (and .cse7 .cse13 .cse12 .cse3 .cse4 .cse5 .cse10) (and .cse7 .cse0 .cse12 .cse2 (<= ~waterLevel~0 1) .cse3 .cse5 .cse8 .cse9 .cse10 .cse11)))) [2021-08-26 08:44:25,259 INFO L860 garLoopResultBuilder]: At program point L652(lines 633 655) the Hoare annotation is: true [2021-08-26 08:44:25,259 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 441) no Hoare annotation was computed. [2021-08-26 08:44:25,259 INFO L857 garLoopResultBuilder]: For program point L421-2(lines 421 441) no Hoare annotation was computed. [2021-08-26 08:44:25,259 INFO L857 garLoopResultBuilder]: For program point L421-4(lines 421 441) no Hoare annotation was computed. [2021-08-26 08:44:25,259 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:25,259 INFO L853 garLoopResultBuilder]: At program point L785(lines 785 791) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse14 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse11 (not (= 0 ~systemActive~0))) (.cse12 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse13 .cse3 .cse14 .cse5 .cse7 .cse15 .cse10 .cse11 .cse12) (and .cse0 .cse16 .cse2 .cse14 .cse5 .cse7 .cse11) (and .cse0 .cse1 .cse13 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse16 .cse13 .cse14 .cse5 .cse7 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse14 .cse5 .cse7 .cse15 .cse10 .cse11 .cse12))) [2021-08-26 08:44:25,259 INFO L853 garLoopResultBuilder]: At program point L785-1(lines 785 791) the Hoare annotation is: false [2021-08-26 08:44:25,259 INFO L853 garLoopResultBuilder]: At program point L785-2(lines 785 791) the Hoare annotation is: false [2021-08-26 08:44:25,260 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:44:25,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:25,260 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2021-08-26 08:44:25,260 INFO L853 garLoopResultBuilder]: At program point L722-1(lines 722 728) the Hoare annotation is: (let ((.cse16 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= 2 ~waterLevel~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse11 (not (= 0 ~systemActive~0))) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse9 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse0 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse19 (or (and .cse1 .cse16 .cse10 .cse11 .cse12) (and .cse1 .cse15 .cse10 .cse11 .cse12))) (.cse20 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (= ~pumpRunning~0 0)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse18 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse21 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse1 .cse13 .cse14 .cse15 .cse5 .cse6 .cse7 .cse11) (and .cse1 .cse13 .cse14 .cse5 .cse7 .cse16 .cse11) (and .cse2 .cse17 .cse18 .cse14 .cse4 .cse5 .cse6 .cse7 .cse19) (and .cse0 .cse1 .cse13 .cse3 .cse5 .cse6 .cse7 .cse8 .cse11) (and .cse20 .cse1 .cse2 .cse17 .cse18 .cse14 .cse4 (<= ~waterLevel~0 1) .cse5 .cse7 .cse9 .cse21 .cse10 .cse11 .cse12) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse19) (and .cse20 .cse1 .cse13 .cse17 .cse18 .cse14 .cse5 .cse6 .cse7 .cse21 .cse11)))) [2021-08-26 08:44:25,260 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-08-26 08:44:25,260 INFO L857 garLoopResultBuilder]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2021-08-26 08:44:25,260 INFO L857 garLoopResultBuilder]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2021-08-26 08:44:25,260 INFO L853 garLoopResultBuilder]: At program point L889(lines 884 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~4 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)) [2021-08-26 08:44:25,261 INFO L853 garLoopResultBuilder]: At program point L889-1(lines 884 892) the Hoare annotation is: false [2021-08-26 08:44:25,261 INFO L853 garLoopResultBuilder]: At program point L889-2(lines 884 892) the Hoare annotation is: false [2021-08-26 08:44:25,261 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-08-26 08:44:25,261 INFO L853 garLoopResultBuilder]: At program point L427-1(lines 1 974) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse17 (<= ~waterLevel~0 2)) (.cse18 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse19 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse11 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_main_~tmp~4 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse22 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse20 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse21 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse9 .cse5 .cse6 (= ~waterLevel~0 1) .cse8) (and .cse10 .cse1 .cse2 .cse11 .cse12 .cse9 .cse4 .cse5 .cse6 .cse13 .cse8) (and .cse0 .cse1 .cse14 .cse3 .cse15 .cse16 .cse5 .cse17 .cse6 .cse7 .cse18 .cse19 .cse20 .cse8 .cse21) (and .cse1 .cse14 .cse11 .cse12 .cse9 .cse15 .cse16 .cse5 .cse17 .cse6 .cse18 .cse19 .cse20 .cse8 .cse21) (and .cse0 .cse1 .cse14 .cse3 .cse15 .cse4 .cse5 .cse6 .cse7 .cse22 .cse20 .cse8 .cse21) (and .cse10 .cse1 .cse14 .cse11 .cse12 .cse9 .cse15 .cse4 .cse5 .cse6 .cse22 .cse13 .cse20 .cse8 .cse21))) [2021-08-26 08:44:25,261 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-08-26 08:44:25,261 INFO L853 garLoopResultBuilder]: At program point L427-3(lines 1 974) the Hoare annotation is: false [2021-08-26 08:44:25,261 INFO L857 garLoopResultBuilder]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-08-26 08:44:25,261 INFO L853 garLoopResultBuilder]: At program point L427-5(lines 1 974) the Hoare annotation is: false [2021-08-26 08:44:25,262 INFO L853 garLoopResultBuilder]: At program point L527(lines 522 530) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse12 (= ~pumpRunning~0 1)) (.cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= ULTIMATE.start_main_~tmp~4 1)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse11 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ULTIMATE.start_processEnvironment_~tmp~7 0) .cse10 .cse11 .cse12) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse8 (<= ~waterLevel~0 2) .cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse10 .cse11 .cse12) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse11))) [2021-08-26 08:44:25,262 INFO L853 garLoopResultBuilder]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2021-08-26 08:44:25,262 INFO L853 garLoopResultBuilder]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2021-08-26 08:44:25,262 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:25,262 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 961) no Hoare annotation was computed. [2021-08-26 08:44:25,262 INFO L857 garLoopResultBuilder]: For program point L957-2(lines 957 961) no Hoare annotation was computed. [2021-08-26 08:44:25,262 INFO L857 garLoopResultBuilder]: For program point L957-3(lines 957 961) no Hoare annotation was computed. [2021-08-26 08:44:25,262 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 696) no Hoare annotation was computed. [2021-08-26 08:44:25,262 INFO L857 garLoopResultBuilder]: For program point L957-5(lines 957 961) no Hoare annotation was computed. [2021-08-26 08:44:25,263 INFO L857 garLoopResultBuilder]: For program point L957-6(lines 957 961) no Hoare annotation was computed. [2021-08-26 08:44:25,263 INFO L857 garLoopResultBuilder]: For program point L957-8(lines 957 961) no Hoare annotation was computed. [2021-08-26 08:44:25,263 INFO L853 garLoopResultBuilder]: At program point L495(lines 490 498) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse15 (= ULTIMATE.start_processEnvironment_~tmp~7 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse18 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse13 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse14 .cse6 .cse8 .cse15 .cse11 .cse12 .cse13) (and .cse0 .cse16 .cse2 .cse3 .cse14 .cse6 .cse8 .cse12) (and .cse0 .cse1 .cse17 .cse4 .cse14 .cse6 .cse8 .cse18 .cse15 .cse11 .cse12 .cse13) (and .cse0 .cse16 .cse17 .cse14 .cse6 .cse8 .cse18 .cse12) (and .cse0 .cse1 .cse17 .cse4 .cse5 .cse6 .cse7 .cse8 .cse18 .cse9 .cse10 .cse11 .cse12 .cse13))) [2021-08-26 08:44:25,263 INFO L853 garLoopResultBuilder]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2021-08-26 08:44:25,263 INFO L853 garLoopResultBuilder]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2021-08-26 08:44:25,263 INFO L853 garLoopResultBuilder]: At program point L760(lines 711 761) the Hoare annotation is: false [2021-08-26 08:44:25,263 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-08-26 08:44:25,263 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2021-08-26 08:44:25,263 INFO L857 garLoopResultBuilder]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2021-08-26 08:44:25,266 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:25,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:25 BoogieIcfgContainer [2021-08-26 08:44:25,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:25,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:25,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:25,292 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:25,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:15" (3/4) ... [2021-08-26 08:44:25,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:25,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:25,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:25,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:25,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:25,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:25,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:25,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:25,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:44:25,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:44:25,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= tmp && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp___0 <= 1) && !(0 == systemActive))) || ((((((((((((((1 <= tmp && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((1 <= tmp && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp___0 <= 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((1 <= tmp && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((\result == 1 && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((((1 <= tmp && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp___0 <= 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((1 <= tmp && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp___0 <= 1) && !(0 == systemActive)) [2021-08-26 08:44:25,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1))) || ((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1))) || ((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:25,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && !(0 == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && !(0 == systemActive))) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:25,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:44:25,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) [2021-08-26 08:44:25,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) [2021-08-26 08:44:25,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1 [2021-08-26 08:44:25,383 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:25,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:25,384 INFO L168 Benchmark]: Toolchain (without parser) took 10875.61 ms. Allocated memory was 60.8 MB in the beginning and 239.1 MB in the end (delta: 178.3 MB). Free memory was 38.9 MB in the beginning and 181.1 MB in the end (delta: -142.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,384 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:25,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.55 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 36.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.75 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 32.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,385 INFO L168 Benchmark]: Boogie Preprocessor took 52.26 ms. Allocated memory is still 60.8 MB. Free memory was 32.5 MB in the beginning and 30.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,386 INFO L168 Benchmark]: RCFGBuilder took 857.73 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 33.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,386 INFO L168 Benchmark]: TraceAbstraction took 9504.98 ms. Allocated memory was 73.4 MB in the beginning and 239.1 MB in the end (delta: 165.7 MB). Free memory was 53.7 MB in the beginning and 191.7 MB in the end (delta: -138.0 MB). Peak memory consumption was 144.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,386 INFO L168 Benchmark]: Witness Printer took 90.91 ms. Allocated memory is still 239.1 MB. Free memory was 191.7 MB in the beginning and 181.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:25,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 306.55 ms. Allocated memory is still 60.8 MB. Free memory was 38.7 MB in the beginning and 36.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.75 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 32.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.26 ms. Allocated memory is still 60.8 MB. Free memory was 32.5 MB in the beginning and 30.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 857.73 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.8 MB in the beginning and 33.4 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9504.98 ms. Allocated memory was 73.4 MB in the beginning and 239.1 MB in the end (delta: 165.7 MB). Free memory was 53.7 MB in the beginning and 191.7 MB in the end (delta: -138.0 MB). Peak memory consumption was 144.7 MB. Max. memory is 16.1 GB. * Witness Printer took 90.91 ms. Allocated memory is still 239.1 MB. Free memory was 191.7 MB in the beginning and 181.1 MB in the end (delta: 10.6 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: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 696]: 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, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9445.0ms, OverallIterations: 15, TraceHistogramMax: 2, EmptinessCheckTime: 26.0ms, AutomataDifference: 1340.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5571.2ms, InitialAbstractionConstructionTime: 7.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1515 SDtfs, 2514 SDslu, 2921 SDs, 0 SdLazy, 422 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 534.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 480.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 180.5ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1156 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 311 NumberOfFragments, 2218 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3206522 FormulaSimplificationTreeSizeReduction, 1120.1ms HoareSimplificationTime, 46 FomulaSimplificationsInter, 909842 FormulaSimplificationTreeSizeReductionInter, 4435.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 85.3ms SsaConstructionTime, 360.6ms SatisfiabilityAnalysisTime, 1110.4ms InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 SizeOfPredicates, 6 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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: 531]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && !(0 == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && !(0 == systemActive))) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 <= tmp && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((\result == 1 && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((((1 <= tmp && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp___0 <= 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((1 <= tmp && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp___0 <= 1) && !(0 == systemActive)) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1))) || ((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && !(tmp == 0)) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1))) || ((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && tmp == 1) && waterLevel <= 2) && \result == 1) && (((((splverifierCounter == 0 && waterLevel == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((1 <= tmp && splverifierCounter == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp___0 <= 1) && !(0 == systemActive))) || ((((((((((((((1 <= tmp && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((1 <= tmp && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && 1 <= \result) && tmp == 0) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && tmp___0 <= 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((((((splverifierCounter == 0 && \result == 1) && 1 <= methaneLevelCritical) && tmp___0 == 1) && waterLevel <= 1) && tmp == 1) && \result == 1) && tmp == 0) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:25,440 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...