./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 078eafdb571868894c038a80ec14b552193cf718 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:17:06,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:17:06,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:17:06,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:17:06,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:17:06,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:17:06,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:17:06,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:17:06,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:17:06,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:17:06,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:17:06,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:17:06,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:17:06,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:17:06,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:17:06,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:17:06,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:17:06,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:17:06,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:17:06,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:17:06,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:17:06,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:17:06,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:17:06,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:17:06,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:17:06,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:17:06,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:17:06,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:17:06,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:17:06,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:17:06,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:17:06,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:17:06,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:17:06,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:17:06,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:17:06,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:17:06,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:17:06,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:17:06,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:17:06,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:17:06,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:17:06,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:17:06,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:17:06,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:17:06,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:17:06,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:17:06,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:17:06,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:17:06,948 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:17:06,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:17:06,948 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:17:06,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:17:06,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:17:06,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:17:06,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:17:06,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:17:06,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:17:06,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:17:06,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:17:06,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:17:06,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:17:06,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:17:06,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:17:06,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:17:06,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:17:06,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:17:06,951 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 078eafdb571868894c038a80ec14b552193cf718 [2021-08-29 16:17:07,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:17:07,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:17:07,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:17:07,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:17:07,225 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:17:07,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-08-29 16:17:07,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a18a8a90/3c0b090985b8420191481ecdd3227117/FLAG47a90dbba [2021-08-29 16:17:07,713 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:17:07,715 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-08-29 16:17:07,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a18a8a90/3c0b090985b8420191481ecdd3227117/FLAG47a90dbba [2021-08-29 16:17:07,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a18a8a90/3c0b090985b8420191481ecdd3227117 [2021-08-29 16:17:07,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:17:07,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:17:07,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:17:07,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:17:07,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:17:07,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:17:07" (1/1) ... [2021-08-29 16:17:07,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56483fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:07, skipping insertion in model container [2021-08-29 16:17:07,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:17:07" (1/1) ... [2021-08-29 16:17:07,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:17:07,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:17:07,995 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_spec5_product33.cil.c[15846,15859] [2021-08-29 16:17:08,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:17:08,008 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:17:08,052 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_spec5_product33.cil.c[15846,15859] [2021-08-29 16:17:08,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:17:08,068 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:17:08,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08 WrapperNode [2021-08-29 16:17:08,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:17:08,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:17:08,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:17:08,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:17:08,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:17:08,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:17:08,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:17:08,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:17:08,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:17:08,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:17:08,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:17:08,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:17:08,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (1/1) ... [2021-08-29 16:17:08,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:17:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:17:08,178 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) [2021-08-29 16:17:08,184 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 [2021-08-29 16:17:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:17:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:17:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:17:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:17:08,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:17:08,581 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-08-29 16:17:08,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:17:08 BoogieIcfgContainer [2021-08-29 16:17:08,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:17:08,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:17:08,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:17:08,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:17:08,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:17:07" (1/3) ... [2021-08-29 16:17:08,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3cef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:17:08, skipping insertion in model container [2021-08-29 16:17:08,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:08" (2/3) ... [2021-08-29 16:17:08,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3cef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:17:08, skipping insertion in model container [2021-08-29 16:17:08,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:17:08" (3/3) ... [2021-08-29 16:17:08,588 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-08-29 16:17:08,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:17:08,592 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:17:08,621 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:17:08,626 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 [2021-08-29 16:17:08,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:17:08,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 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) [2021-08-29 16:17:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:17:08,640 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:08,641 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:08,641 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:08,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:08,647 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2021-08-29 16:17:08,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:08,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637540417] [2021-08-29 16:17:08,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:08,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:08,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:08,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637540417] [2021-08-29 16:17:08,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637540417] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:08,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:08,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:17:08,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126856344] [2021-08-29 16:17:08,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:17:08,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:08,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:17:08,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:17:08,926 INFO L87 Difference]: Start difference. First operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 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 9.5) internal successors, (19), 2 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) [2021-08-29 16:17:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:09,119 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-08-29 16:17:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:17:09,121 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 [2021-08-29 16:17:09,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:09,129 INFO L225 Difference]: With dead ends: 167 [2021-08-29 16:17:09,129 INFO L226 Difference]: Without dead ends: 83 [2021-08-29 16:17:09,131 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:17:09,134 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 158.07ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:09,135 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 122 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 158.07ms Time] [2021-08-29 16:17:09,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-08-29 16:17:09,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-08-29 16:17:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.4625) internal successors, (117), 82 states have internal predecessors, (117), 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) [2021-08-29 16:17:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-08-29 16:17:09,170 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-08-29 16:17:09,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:09,171 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-08-29 16:17:09,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2021-08-29 16:17:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-08-29 16:17:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-29 16:17:09,172 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:09,173 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:09,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:17:09,173 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:09,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:09,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2021-08-29 16:17:09,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:09,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310429986] [2021-08-29 16:17:09,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:09,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:09,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:09,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310429986] [2021-08-29 16:17:09,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310429986] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:09,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:09,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:17:09,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309923489] [2021-08-29 16:17:09,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:17:09,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:09,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:17:09,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:09,248 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-29 16:17:09,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:09,344 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-08-29 16:17:09,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:17:09,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-08-29 16:17:09,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:09,345 INFO L225 Difference]: With dead ends: 83 [2021-08-29 16:17:09,345 INFO L226 Difference]: Without dead ends: 38 [2021-08-29 16:17:09,346 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:09,347 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.65ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:09,347 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 59 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 88.65ms Time] [2021-08-29 16:17:09,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-08-29 16:17:09,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-08-29 16:17:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 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) [2021-08-29 16:17:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-08-29 16:17:09,350 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-08-29 16:17:09,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:09,350 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-08-29 16:17:09,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-29 16:17:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-08-29 16:17:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:17:09,351 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:09,351 INFO L513 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] [2021-08-29 16:17:09,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:17:09,352 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:09,352 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2021-08-29 16:17:09,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:09,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553742460] [2021-08-29 16:17:09,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:09,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:09,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:09,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553742460] [2021-08-29 16:17:09,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553742460] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:09,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:09,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:17:09,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279751630] [2021-08-29 16:17:09,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:17:09,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:09,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:17:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:17:09,461 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2021-08-29 16:17:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:09,580 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-08-29 16:17:09,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:17:09,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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 [2021-08-29 16:17:09,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:09,583 INFO L225 Difference]: With dead ends: 69 [2021-08-29 16:17:09,583 INFO L226 Difference]: Without dead ends: 38 [2021-08-29 16:17:09,584 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.95ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:17:09,587 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.24ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.64ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:09,588 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 58 Unknown, 0 Unchecked, 1.24ms Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 99.64ms Time] [2021-08-29 16:17:09,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-08-29 16:17:09,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-08-29 16:17:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-08-29 16:17:09,594 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-08-29 16:17:09,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:09,594 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-08-29 16:17:09,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 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) [2021-08-29 16:17:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-08-29 16:17:09,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-29 16:17:09,595 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:09,596 INFO L513 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] [2021-08-29 16:17:09,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:17:09,596 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:09,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:09,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2021-08-29 16:17:09,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:09,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500163284] [2021-08-29 16:17:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:09,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:09,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:09,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500163284] [2021-08-29 16:17:09,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500163284] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:09,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:09,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:17:09,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293124028] [2021-08-29 16:17:09,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:17:09,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:09,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:17:09,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:09,651 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-08-29 16:17:09,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:09,760 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-08-29 16:17:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:17:09,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 27 [2021-08-29 16:17:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:09,761 INFO L225 Difference]: With dead ends: 93 [2021-08-29 16:17:09,761 INFO L226 Difference]: Without dead ends: 62 [2021-08-29 16:17:09,761 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:09,762 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.68ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.49ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:09,762 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 100 Unknown, 0 Unchecked, 0.68ms Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 100.49ms Time] [2021-08-29 16:17:09,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-29 16:17:09,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-08-29 16:17:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-08-29 16:17:09,767 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-08-29 16:17:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:09,768 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-08-29 16:17:09,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-08-29 16:17:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-08-29 16:17:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:17:09,769 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:09,769 INFO L513 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] [2021-08-29 16:17:09,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:17:09,769 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:09,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:09,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2021-08-29 16:17:09,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:09,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458281955] [2021-08-29 16:17:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:09,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:09,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:09,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:09,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458281955] [2021-08-29 16:17:09,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458281955] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:09,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:09,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:17:09,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489763689] [2021-08-29 16:17:09,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:17:09,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:09,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:17:09,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:09,814 INFO L87 Difference]: Start difference. First operand 60 states and 83 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) [2021-08-29 16:17:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:10,047 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-08-29 16:17:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:17:10,047 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 [2021-08-29 16:17:10,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:10,048 INFO L225 Difference]: With dead ends: 157 [2021-08-29 16:17:10,048 INFO L226 Difference]: Without dead ends: 104 [2021-08-29 16:17:10,049 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.55ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:17:10,049 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 128 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.96ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 209.94ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:10,049 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 0 Invalid, 295 Unknown, 0 Unchecked, 1.96ms Time], IncrementalHoareTripleChecker [1 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 209.94ms Time] [2021-08-29 16:17:10,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-08-29 16:17:10,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-08-29 16:17:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 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) [2021-08-29 16:17:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-08-29 16:17:10,054 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-08-29 16:17:10,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:10,055 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-08-29 16:17:10,055 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) [2021-08-29 16:17:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-08-29 16:17:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:17:10,055 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:10,055 INFO L513 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] [2021-08-29 16:17:10,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:17:10,056 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:10,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2021-08-29 16:17:10,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:10,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818713586] [2021-08-29 16:17:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:10,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:10,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:10,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818713586] [2021-08-29 16:17:10,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818713586] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:10,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:10,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:17:10,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960201195] [2021-08-29 16:17:10,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:17:10,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:17:10,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:10,092 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.6) 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) [2021-08-29 16:17:10,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:10,395 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-08-29 16:17:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:17:10,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) 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 [2021-08-29 16:17:10,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:10,398 INFO L225 Difference]: With dead ends: 216 [2021-08-29 16:17:10,398 INFO L226 Difference]: Without dead ends: 160 [2021-08-29 16:17:10,401 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.93ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:17:10,403 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 141 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 194.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.07ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 262.42ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:10,405 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 0 Invalid, 338 Unknown, 0 Unchecked, 2.07ms Time], IncrementalHoareTripleChecker [6 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 262.42ms Time] [2021-08-29 16:17:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-08-29 16:17:10,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-08-29 16:17:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-08-29 16:17:10,422 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-08-29 16:17:10,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:10,424 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-08-29 16:17:10,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) 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) [2021-08-29 16:17:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-08-29 16:17:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:17:10,427 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:10,427 INFO L513 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] [2021-08-29 16:17:10,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:17:10,427 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:10,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:10,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2021-08-29 16:17:10,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:10,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42222595] [2021-08-29 16:17:10,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:10,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:10,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:10,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42222595] [2021-08-29 16:17:10,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42222595] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:10,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:10,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:17:10,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931575386] [2021-08-29 16:17:10,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:17:10,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:10,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:17:10,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:17:10,472 INFO L87 Difference]: Start difference. First operand 62 states and 83 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) [2021-08-29 16:17:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:10,619 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2021-08-29 16:17:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:17:10,620 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 [2021-08-29 16:17:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:10,620 INFO L225 Difference]: With dead ends: 143 [2021-08-29 16:17:10,621 INFO L226 Difference]: Without dead ends: 88 [2021-08-29 16:17:10,621 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.30ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:10,621 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 63 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.31ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:10,622 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 0 Invalid, 179 Unknown, 0 Unchecked, 0.71ms Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 134.31ms Time] [2021-08-29 16:17:10,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-29 16:17:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2021-08-29 16:17:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 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) [2021-08-29 16:17:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-08-29 16:17:10,626 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-08-29 16:17:10,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:10,627 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-08-29 16:17:10,627 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) [2021-08-29 16:17:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-08-29 16:17:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 16:17:10,628 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:10,628 INFO L513 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] [2021-08-29 16:17:10,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:17:10,628 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:10,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2021-08-29 16:17:10,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:10,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441398766] [2021-08-29 16:17:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:10,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:10,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:10,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441398766] [2021-08-29 16:17:10,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441398766] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:10,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:10,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:17:10,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619891104] [2021-08-29 16:17:10,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:17:10,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:10,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:17:10,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:10,661 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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) [2021-08-29 16:17:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:10,741 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2021-08-29 16:17:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:17:10,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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 [2021-08-29 16:17:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:10,742 INFO L225 Difference]: With dead ends: 148 [2021-08-29 16:17:10,743 INFO L226 Difference]: Without dead ends: 91 [2021-08-29 16:17:10,743 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:10,744 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.35ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:10,744 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 98 Unknown, 0 Unchecked, 0.31ms Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 72.35ms Time] [2021-08-29 16:17:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-08-29 16:17:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-08-29 16:17:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 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) [2021-08-29 16:17:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-08-29 16:17:10,750 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2021-08-29 16:17:10,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:10,750 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-08-29 16:17:10,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 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) [2021-08-29 16:17:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-08-29 16:17:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:17:10,751 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:10,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:10,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:17:10,752 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:10,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2021-08-29 16:17:10,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:10,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304474744] [2021-08-29 16:17:10,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:10,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:10,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:10,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304474744] [2021-08-29 16:17:10,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304474744] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:10,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:10,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:17:10,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196352213] [2021-08-29 16:17:10,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 16:17:10,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 16:17:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:17:10,836 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-08-29 16:17:11,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:11,203 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2021-08-29 16:17:11,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-29 16:17:11,204 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 34 [2021-08-29 16:17:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:11,205 INFO L225 Difference]: With dead ends: 420 [2021-08-29 16:17:11,205 INFO L226 Difference]: Without dead ends: 363 [2021-08-29 16:17:11,206 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 58.42ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-29 16:17:11,206 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 289 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 220.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.48ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 296.09ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:11,206 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 0 Invalid, 534 Unknown, 0 Unchecked, 2.48ms Time], IncrementalHoareTripleChecker [35 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 296.09ms Time] [2021-08-29 16:17:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-08-29 16:17:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2021-08-29 16:17:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 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) [2021-08-29 16:17:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-08-29 16:17:11,219 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2021-08-29 16:17:11,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:11,220 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-08-29 16:17:11,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-08-29 16:17:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-08-29 16:17:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-29 16:17:11,221 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:11,221 INFO L513 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] [2021-08-29 16:17:11,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:17:11,221 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:11,222 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2021-08-29 16:17:11,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:11,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332239473] [2021-08-29 16:17:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:11,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:11,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:11,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332239473] [2021-08-29 16:17:11,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332239473] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:17:11,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321096620] [2021-08-29 16:17:11,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:11,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:17:11,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:17:11,274 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) [2021-08-29 16:17:11,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:17:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:11,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-29 16:17:11,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:17:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:11,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:17:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:11,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321096620] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:17:11,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:17:11,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2021-08-29 16:17:11,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366642462] [2021-08-29 16:17:11,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-29 16:17:11,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:11,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-29 16:17:11,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-29 16:17:11,676 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 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) [2021-08-29 16:17:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:11,936 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2021-08-29 16:17:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:17:11,937 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-08-29 16:17:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:11,937 INFO L225 Difference]: With dead ends: 282 [2021-08-29 16:17:11,937 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:17:11,938 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 56.43ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-08-29 16:17:11,938 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 235 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.36ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.66ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:11,938 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 0 Invalid, 280 Unknown, 0 Unchecked, 1.36ms Time], IncrementalHoareTripleChecker [8 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 216.66ms Time] [2021-08-29 16:17:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:17:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:17:11,939 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) [2021-08-29 16:17:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:17:11,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-08-29 16:17:11,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:11,939 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:17:11,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 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) [2021-08-29 16:17:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:17:11,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:17:11,941 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:17:11,941 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:17:11,942 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:17:11,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:17:12,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-29 16:17:12,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:17:12,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:12,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:13,395 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-08-29 16:17:13,395 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 438) no Hoare annotation was computed. [2021-08-29 16:17:13,395 INFO L854 garLoopResultBuilder]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse5 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-08-29 16:17:13,395 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:17:13,395 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 635) no Hoare annotation was computed. [2021-08-29 16:17:13,395 INFO L858 garLoopResultBuilder]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2021-08-29 16:17:13,396 INFO L858 garLoopResultBuilder]: For program point L631-3(lines 631 635) no Hoare annotation was computed. [2021-08-29 16:17:13,396 INFO L858 garLoopResultBuilder]: For program point L631-5(lines 631 635) no Hoare annotation was computed. [2021-08-29 16:17:13,396 INFO L858 garLoopResultBuilder]: For program point L631-6(lines 631 635) no Hoare annotation was computed. [2021-08-29 16:17:13,396 INFO L858 garLoopResultBuilder]: For program point L631-8(lines 631 635) no Hoare annotation was computed. [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L582(lines 577 585) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse4 .cse8 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse9 .cse3 .cse7 .cse4 .cse8 .cse5))) [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L582-1(lines 577 585) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse2 (= ~waterLevel~0 1) .cse3) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse3))) [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse7 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse7 .cse8 .cse4 .cse9 .cse5) (and .cse10 .cse0 .cse2 .cse8 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse10 .cse0 .cse6 .cse2 .cse7 .cse8 .cse4 .cse9 .cse5))) [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-08-29 16:17:13,396 INFO L854 garLoopResultBuilder]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-08-29 16:17:13,396 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 771) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L861 garLoopResultBuilder]: At program point L764-1(lines 764 771) the Hoare annotation is: true [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 541) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 533 541) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L533-2(lines 533 541) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 923) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L913-2(lines 913 923) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L913-4(lines 913 923) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L854 garLoopResultBuilder]: At program point L468(lines 421 469) the Hoare annotation is: false [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 920) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 920) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L914-4(lines 914 920) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L782-2(line 782) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 463) no Hoare annotation was computed. [2021-08-29 16:17:13,397 INFO L854 garLoopResultBuilder]: At program point L898(lines 497 503) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse6 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse6 .cse4 .cse5))) [2021-08-29 16:17:13,397 INFO L854 garLoopResultBuilder]: At program point L898-1(lines 497 503) the Hoare annotation is: false [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L898-2(lines 497 503) the Hoare annotation is: false [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L667(lines 1 929) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse4 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse6 .cse7))) [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L504-1(lines 504 510) the Hoare annotation is: false [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 504 510) the Hoare annotation is: false [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L637(lines 622 640) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L637-1(lines 622 640) the Hoare annotation is: false [2021-08-29 16:17:13,398 INFO L854 garLoopResultBuilder]: At program point L637-2(lines 622 640) the Hoare annotation is: false [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point L423(lines 422 467) no Hoare annotation was computed. [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:17:13,398 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L458-2(lines 452 463) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L854 garLoopResultBuilder]: At program point L739(lines 735 741) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1)) [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 448) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L854 garLoopResultBuilder]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse5 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-08-29 16:17:13,399 INFO L854 garLoopResultBuilder]: At program point L888(lines 883 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1)) [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L861 garLoopResultBuilder]: At program point L773(lines 754 776) the Hoare annotation is: true [2021-08-29 16:17:13,399 INFO L854 garLoopResultBuilder]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2021-08-29 16:17:13,399 INFO L854 garLoopResultBuilder]: At program point L675(lines 670 678) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L692(line 692) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:17:13,399 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-08-29 16:17:13,401 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 546) no Hoare annotation was computed. [2021-08-29 16:17:13,401 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 529 546) no Hoare annotation was computed. [2021-08-29 16:17:13,402 INFO L858 garLoopResultBuilder]: For program point L529-2(lines 529 546) no Hoare annotation was computed. [2021-08-29 16:17:13,402 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 926) no Hoare annotation was computed. [2021-08-29 16:17:13,402 INFO L854 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-08-29 16:17:13,402 INFO L854 garLoopResultBuilder]: At program point L909-1(lines 1 929) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse11 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse0 .cse7 .cse8 .cse2 .cse9 .cse6 .cse3 .cse10 .cse11 .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse9 .cse6 .cse3 .cse10 .cse11 .cse4))) [2021-08-29 16:17:13,402 INFO L854 garLoopResultBuilder]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2021-08-29 16:17:13,403 INFO L858 garLoopResultBuilder]: For program point L909-2(lines 909 926) no Hoare annotation was computed. [2021-08-29 16:17:13,403 INFO L854 garLoopResultBuilder]: At program point L909-3(lines 1 929) the Hoare annotation is: false [2021-08-29 16:17:13,403 INFO L854 garLoopResultBuilder]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2021-08-29 16:17:13,403 INFO L858 garLoopResultBuilder]: For program point L909-4(lines 909 926) no Hoare annotation was computed. [2021-08-29 16:17:13,403 INFO L854 garLoopResultBuilder]: At program point L909-5(lines 1 929) the Hoare annotation is: false [2021-08-29 16:17:13,403 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-08-29 16:17:13,403 INFO L858 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-08-29 16:17:13,404 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 699) no Hoare annotation was computed. [2021-08-29 16:17:13,404 INFO L858 garLoopResultBuilder]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2021-08-29 16:17:13,404 INFO L858 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-08-29 16:17:13,404 INFO L854 garLoopResultBuilder]: At program point L497(lines 493 515) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse4 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)))) [2021-08-29 16:17:13,405 INFO L854 garLoopResultBuilder]: At program point L497-1(lines 493 515) the Hoare annotation is: false [2021-08-29 16:17:13,405 INFO L854 garLoopResultBuilder]: At program point L497-2(lines 493 515) the Hoare annotation is: false [2021-08-29 16:17:13,409 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:17:13,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:17:13 BoogieIcfgContainer [2021-08-29 16:17:13,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:17:13,441 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:17:13,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:17:13,441 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:17:13,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:17:08" (3/4) ... [2021-08-29 16:17:13,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:17:13,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:17:13,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:17:13,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:17:13,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:17:13,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:17:13,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:17:13,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:17:13,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-08-29 16:17:13,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 [2021-08-29 16:17:13,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 [2021-08-29 16:17:13,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1) [2021-08-29 16:17:13,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) [2021-08-29 16:17:13,480 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) [2021-08-29 16:17:13,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) [2021-08-29 16:17:13,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) [2021-08-29 16:17:13,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) [2021-08-29 16:17:13,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && waterLevel <= 2) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp == 0) && waterLevel == 1) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && tmp == 1) [2021-08-29 16:17:13,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1) [2021-08-29 16:17:13,483 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) [2021-08-29 16:17:13,483 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) [2021-08-29 16:17:13,483 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) [2021-08-29 16:17:13,517 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:17:13,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:17:13,518 INFO L158 Benchmark]: Toolchain (without parser) took 5779.37ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 48.6MB in the beginning and 60.5MB in the end (delta: -11.9MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,518 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:17:13,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.13ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 44.6MB in the end (delta: 3.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.96ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 41.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,519 INFO L158 Benchmark]: Boogie Preprocessor took 23.13ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,519 INFO L158 Benchmark]: RCFGBuilder took 453.32ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 62.5MB in the end (delta: -23.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,520 INFO L158 Benchmark]: TraceAbstraction took 4856.70ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.1MB in the beginning and 67.8MB in the end (delta: -5.8MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,520 INFO L158 Benchmark]: Witness Printer took 76.61ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 60.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 16:17:13,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.13ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 44.6MB in the end (delta: 3.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.96ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 41.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.13ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.32ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 62.5MB in the end (delta: -23.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4856.70ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.1MB in the beginning and 67.8MB in the end (delta: -5.8MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Witness Printer took 76.61ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 60.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4789.03ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 12.91ms, AutomataDifference: 2000.14ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 1245.49ms, InitialAbstractionConstructionTime: 6.94ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1096 SdHoareTripleChecker+Valid, 1638.62ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1096 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1228.46ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1040 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2008 IncrementalHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 0 mSDtfsCounter, 2008 mSolverCounterSat, 12.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 189.89ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 82.51ms AutomataMinimizationTime, 10 MinimizatonAttempts, 373 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 952 HoareAnnotationTreeSize, 37 FomulaSimplifications, 16392 FormulaSimplificationTreeSizeReduction, 187.97ms HoareSimplificationTime, 37 FomulaSimplificationsInter, 3050 FormulaSimplificationTreeSizeReductionInter, 1047.87ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 51.84ms SsaConstructionTime, 262.83ms SatisfiabilityAnalysisTime, 717.50ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 399 ConstructedInterpolants, 0 QuantifiedInterpolants, 856 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 39/48 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: 735]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && waterLevel <= 2) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp == 0) && waterLevel == 1) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:17:13,569 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...