./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product13.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 924726723ff3b89961725912ca395f7f3ab1262e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:44:36,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:44:36,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:44:36,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:44:36,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:44:36,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:44:36,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:44:36,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:44:36,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:44:36,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:44:36,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:44:36,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:44:36,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:44:36,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:44:36,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:44:36,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:44:36,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:44:36,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:44:36,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:44:36,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:44:36,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:44:36,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:44:36,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:44:36,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:44:36,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:44:36,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:44:36,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:44:36,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:44:36,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:44:36,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:44:36,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:44:36,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:44:36,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:44:36,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:44:36,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:44:36,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:44:36,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:44:36,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:44:36,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:44:36,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:44:36,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:44:36,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:44:36,926 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:44:36,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:44:36,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:44:36,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:44:36,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:44:36,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:44:36,931 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:44:36,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:44:36,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:44:36,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:44:36,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:44:36,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:44:36,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:44:36,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:44:36,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:44:36,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:44:36,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:44:36,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:44:36,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:44:36,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:44:36,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:44:36,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:44:36,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:36,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:44:36,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:44:36,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:44:36,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:44:36,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:44:36,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:44:36,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:44:36,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924726723ff3b89961725912ca395f7f3ab1262e [2021-08-26 08:44:37,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:44:37,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:44:37,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:44:37,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:44:37,285 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:44:37,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-08-26 08:44:37,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd918059b/8c384a45ee554d28994686835db6d3d1/FLAGb847f6d8c [2021-08-26 08:44:37,906 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:44:37,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2021-08-26 08:44:37,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd918059b/8c384a45ee554d28994686835db6d3d1/FLAGb847f6d8c [2021-08-26 08:44:38,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd918059b/8c384a45ee554d28994686835db6d3d1 [2021-08-26 08:44:38,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:44:38,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:44:38,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:38,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:44:38,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:44:38,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334b9850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38, skipping insertion in model container [2021-08-26 08:44:38,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:44:38,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:44:38,604 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_spec4_product13.cil.c[12170,12183] [2021-08-26 08:44:38,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:38,665 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:44:38,711 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_spec4_product13.cil.c[12170,12183] [2021-08-26 08:44:38,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:44:38,737 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:44:38,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38 WrapperNode [2021-08-26 08:44:38,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:44:38,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:38,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:44:38,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:44:38,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:44:38,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:44:38,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:44:38,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:44:38,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:44:38,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:44:38,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:44:38,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:44:38,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (1/1) ... [2021-08-26 08:44:38,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:44:38,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:44:38,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 08:44:38,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 08:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:44:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:44:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:44:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:44:39,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:44:39,654 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-08-26 08:44:39,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:39 BoogieIcfgContainer [2021-08-26 08:44:39,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:44:39,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:44:39,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:44:39,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:44:39,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:44:38" (1/3) ... [2021-08-26 08:44:39,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a376f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:39, skipping insertion in model container [2021-08-26 08:44:39,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:44:38" (2/3) ... [2021-08-26 08:44:39,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a376f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:44:39, skipping insertion in model container [2021-08-26 08:44:39,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:39" (3/3) ... [2021-08-26 08:44:39,664 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2021-08-26 08:44:39,668 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:44:39,669 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:44:39,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:44:39,729 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:44:39,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:44:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 08:44:39,751 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:39,752 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:39,753 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:39,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:39,763 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2021-08-26 08:44:39,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:39,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485180149] [2021-08-26 08:44:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:39,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:40,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:40,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485180149] [2021-08-26 08:44:40,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485180149] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:40,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:40,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:40,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885552901] [2021-08-26 08:44:40,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:44:40,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:40,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:44:40,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:40,031 INFO L87 Difference]: Start difference. First operand has 69 states, 65 states have (on average 1.5692307692307692) internal successors, (102), 68 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:40,050 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-08-26 08:44:40,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:44:40,052 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-08-26 08:44:40,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:40,059 INFO L225 Difference]: With dead ends: 132 [2021-08-26 08:44:40,059 INFO L226 Difference]: Without dead ends: 65 [2021-08-26 08:44:40,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:44:40,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-08-26 08:44:40,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-08-26 08:44:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 64 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-08-26 08:44:40,092 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-08-26 08:44:40,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:40,093 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-08-26 08:44:40,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-08-26 08:44:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 08:44:40,094 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:40,094 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:40,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:44:40,095 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:40,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:40,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2021-08-26 08:44:40,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:40,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896695233] [2021-08-26 08:44:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:40,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:40,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:40,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896695233] [2021-08-26 08:44:40,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896695233] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:40,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:40,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:44:40,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340089494] [2021-08-26 08:44:40,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:40,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:40,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:40,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:40,174 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:40,182 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-08-26 08:44:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:40,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-08-26 08:44:40,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:40,184 INFO L225 Difference]: With dead ends: 65 [2021-08-26 08:44:40,184 INFO L226 Difference]: Without dead ends: 31 [2021-08-26 08:44:40,185 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:40,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-08-26 08:44:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-08-26 08:44:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-08-26 08:44:40,189 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-08-26 08:44:40,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:40,189 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-08-26 08:44:40,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,190 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-08-26 08:44:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 08:44:40,190 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:40,191 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:40,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:44:40,191 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:40,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:40,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2021-08-26 08:44:40,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:40,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89432162] [2021-08-26 08:44:40,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:40,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:40,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:40,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89432162] [2021-08-26 08:44:40,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89432162] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:40,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:40,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:44:40,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736740393] [2021-08-26 08:44:40,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:44:40,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:40,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:44:40,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:40,282 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:40,288 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-08-26 08:44:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:44:40,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2021-08-26 08:44:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:40,290 INFO L225 Difference]: With dead ends: 56 [2021-08-26 08:44:40,290 INFO L226 Difference]: Without dead ends: 31 [2021-08-26 08:44:40,290 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:44:40,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-08-26 08:44:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-08-26 08:44:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-08-26 08:44:40,294 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-08-26 08:44:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:40,295 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-08-26 08:44:40,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-08-26 08:44:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 08:44:40,296 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:40,296 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:40,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:44:40,297 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:40,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:40,297 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2021-08-26 08:44:40,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:40,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753223749] [2021-08-26 08:44:40,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:40,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:40,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:40,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:40,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753223749] [2021-08-26 08:44:40,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753223749] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:40,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:40,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:44:40,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430747364] [2021-08-26 08:44:40,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:44:40,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:40,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:44:40,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:44:40,393 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:40,637 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2021-08-26 08:44:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:44:40,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2021-08-26 08:44:40,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:40,644 INFO L225 Difference]: With dead ends: 178 [2021-08-26 08:44:40,645 INFO L226 Difference]: Without dead ends: 153 [2021-08-26 08:44:40,647 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 104.2ms TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:44:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-08-26 08:44:40,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 51. [2021-08-26 08:44:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2021-08-26 08:44:40,660 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 23 [2021-08-26 08:44:40,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:40,660 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2021-08-26 08:44:40,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2021-08-26 08:44:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:44:40,661 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:44:40,661 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:44:40,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:44:40,661 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:44:40,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:44:40,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1803921405, now seen corresponding path program 1 times [2021-08-26 08:44:40,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:44:40,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982856030] [2021-08-26 08:44:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:44:40,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:44:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:44:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:44:40,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:44:40,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982856030] [2021-08-26 08:44:40,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982856030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:44:40,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:44:40,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:44:40,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353375525] [2021-08-26 08:44:40,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:44:40,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:44:40,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:44:40,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:44:40,720 INFO L87 Difference]: Start difference. First operand 51 states and 71 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:44:40,763 INFO L93 Difference]: Finished difference Result 144 states and 211 transitions. [2021-08-26 08:44:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:44:40,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:44:40,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:44:40,764 INFO L225 Difference]: With dead ends: 144 [2021-08-26 08:44:40,768 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:44:40,769 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:44:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:44:40,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:44:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:44:40,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-08-26 08:44:40,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:44:40,770 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:44:40,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:44:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:44:40,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:44:40,773 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:40,773 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:40,773 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:44:40,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:44:40,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:44:40,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:40,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:44:41,081 INFO L857 garLoopResultBuilder]: For program point L795(lines 794 839) no Hoare annotation was computed. [2021-08-26 08:44:41,081 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2021-08-26 08:44:41,082 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-08-26 08:44:41,082 INFO L857 garLoopResultBuilder]: For program point L498-1(line 498) no Hoare annotation was computed. [2021-08-26 08:44:41,082 INFO L857 garLoopResultBuilder]: For program point L498-2(line 498) no Hoare annotation was computed. [2021-08-26 08:44:41,082 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:44:41,082 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 800) no Hoare annotation was computed. [2021-08-26 08:44:41,083 INFO L853 garLoopResultBuilder]: At program point L879(lines 874 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-08-26 08:44:41,084 INFO L853 garLoopResultBuilder]: At program point L648(lines 648 654) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,084 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 648 654) the Hoare annotation is: false [2021-08-26 08:44:41,084 INFO L853 garLoopResultBuilder]: At program point L648-2(lines 648 654) the Hoare annotation is: false [2021-08-26 08:44:41,084 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-08-26 08:44:41,085 INFO L857 garLoopResultBuilder]: For program point L516-2(lines 516 522) no Hoare annotation was computed. [2021-08-26 08:44:41,085 INFO L857 garLoopResultBuilder]: For program point L516-4(lines 516 522) no Hoare annotation was computed. [2021-08-26 08:44:41,085 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2021-08-26 08:44:41,085 INFO L857 garLoopResultBuilder]: For program point L830-2(lines 641 647) no Hoare annotation was computed. [2021-08-26 08:44:41,086 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 58) no Hoare annotation was computed. [2021-08-26 08:44:41,086 INFO L857 garLoopResultBuilder]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2021-08-26 08:44:41,086 INFO L857 garLoopResultBuilder]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2021-08-26 08:44:41,086 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 820) no Hoare annotation was computed. [2021-08-26 08:44:41,086 INFO L853 garLoopResultBuilder]: At program point L814-1(lines 814 820) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,086 INFO L857 garLoopResultBuilder]: For program point L618(lines 618 625) no Hoare annotation was computed. [2021-08-26 08:44:41,087 INFO L860 garLoopResultBuilder]: At program point L618-1(lines 618 625) the Hoare annotation is: true [2021-08-26 08:44:41,087 INFO L853 garLoopResultBuilder]: At program point L734(lines 727 737) the Hoare annotation is: false [2021-08-26 08:44:41,087 INFO L853 garLoopResultBuilder]: At program point L734-1(lines 727 737) the Hoare annotation is: false [2021-08-26 08:44:41,087 INFO L853 garLoopResultBuilder]: At program point L734-2(lines 727 737) the Hoare annotation is: false [2021-08-26 08:44:41,088 INFO L853 garLoopResultBuilder]: At program point L123(lines 118 126) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,088 INFO L853 garLoopResultBuilder]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2021-08-26 08:44:41,088 INFO L853 garLoopResultBuilder]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2021-08-26 08:44:41,088 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:44:41,088 INFO L853 garLoopResultBuilder]: At program point L91(lines 86 94) the Hoare annotation is: false [2021-08-26 08:44:41,088 INFO L853 garLoopResultBuilder]: At program point L91-1(lines 86 94) the Hoare annotation is: false [2021-08-26 08:44:41,089 INFO L853 garLoopResultBuilder]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2021-08-26 08:44:41,089 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2021-08-26 08:44:41,089 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 810) no Hoare annotation was computed. [2021-08-26 08:44:41,089 INFO L853 garLoopResultBuilder]: At program point L804-1(lines 804 810) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,089 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:44:41,090 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-08-26 08:44:41,090 INFO L853 garLoopResultBuilder]: At program point L871(lines 1 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-08-26 08:44:41,090 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-08-26 08:44:41,090 INFO L857 garLoopResultBuilder]: For program point L673-1(lines 673 690) no Hoare annotation was computed. [2021-08-26 08:44:41,090 INFO L857 garLoopResultBuilder]: For program point L673-2(lines 673 690) no Hoare annotation was computed. [2021-08-26 08:44:41,090 INFO L853 garLoopResultBuilder]: At program point L591(lines 587 593) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-08-26 08:44:41,091 INFO L853 garLoopResultBuilder]: At program point L641(lines 640 659) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,091 INFO L857 garLoopResultBuilder]: For program point L641-1(lines 641 647) no Hoare annotation was computed. [2021-08-26 08:44:41,091 INFO L853 garLoopResultBuilder]: At program point L641-2(lines 640 659) the Hoare annotation is: false [2021-08-26 08:44:41,091 INFO L853 garLoopResultBuilder]: At program point L641-3(lines 640 659) the Hoare annotation is: false [2021-08-26 08:44:41,091 INFO L853 garLoopResultBuilder]: At program point L542-2(lines 542 556) the Hoare annotation is: false [2021-08-26 08:44:41,092 INFO L853 garLoopResultBuilder]: At program point L840(lines 793 841) the Hoare annotation is: false [2021-08-26 08:44:41,092 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-08-26 08:44:41,092 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 835) no Hoare annotation was computed. [2021-08-26 08:44:41,092 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:44:41,092 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 498) no Hoare annotation was computed. [2021-08-26 08:44:41,092 INFO L860 garLoopResultBuilder]: At program point L627(lines 608 630) the Hoare annotation is: true [2021-08-26 08:44:41,093 INFO L853 garLoopResultBuilder]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,093 INFO L853 garLoopResultBuilder]: At program point L743-1(lines 738 746) the Hoare annotation is: false [2021-08-26 08:44:41,093 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-08-26 08:44:41,093 INFO L853 garLoopResultBuilder]: At program point L743-2(lines 738 746) the Hoare annotation is: false [2021-08-26 08:44:41,093 INFO L857 garLoopResultBuilder]: For program point L677-1(lines 677 685) no Hoare annotation was computed. [2021-08-26 08:44:41,094 INFO L857 garLoopResultBuilder]: For program point L677-2(lines 677 685) no Hoare annotation was computed. [2021-08-26 08:44:41,094 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-08-26 08:44:41,094 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 525) no Hoare annotation was computed. [2021-08-26 08:44:41,094 INFO L853 garLoopResultBuilder]: At program point L512-1(lines 1 882) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:44:41,095 INFO L857 garLoopResultBuilder]: For program point L512-2(lines 512 525) no Hoare annotation was computed. [2021-08-26 08:44:41,095 INFO L853 garLoopResultBuilder]: At program point L512-3(lines 1 882) the Hoare annotation is: false [2021-08-26 08:44:41,095 INFO L857 garLoopResultBuilder]: For program point L512-4(lines 512 525) no Hoare annotation was computed. [2021-08-26 08:44:41,095 INFO L853 garLoopResultBuilder]: At program point L512-5(lines 1 882) the Hoare annotation is: false [2021-08-26 08:44:41,095 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 550) no Hoare annotation was computed. [2021-08-26 08:44:41,096 INFO L857 garLoopResultBuilder]: For program point L546-1(lines 641 647) no Hoare annotation was computed. [2021-08-26 08:44:41,099 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:44:41,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:44:41 BoogieIcfgContainer [2021-08-26 08:44:41,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:44:41,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:44:41,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:44:41,123 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:44:41,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:44:39" (3/4) ... [2021-08-26 08:44:41,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:44:41,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:44:41,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:44:41,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:44:41,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:44:41,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:44:41,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:41,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:44:41,174 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-08-26 08:44:41,216 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:44:41,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:44:41,218 INFO L168 Benchmark]: Toolchain (without parser) took 2896.65 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 28.3 MB in the beginning and 24.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,219 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:44:41,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.93 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.2 MB in the beginning and 38.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.81 ms. Allocated memory is still 62.9 MB. Free memory was 38.7 MB in the beginning and 35.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,220 INFO L168 Benchmark]: Boogie Preprocessor took 57.48 ms. Allocated memory is still 62.9 MB. Free memory was 35.6 MB in the beginning and 33.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,221 INFO L168 Benchmark]: RCFGBuilder took 794.78 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 48.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,221 INFO L168 Benchmark]: TraceAbstraction took 1463.17 ms. Allocated memory is still 75.5 MB. Free memory was 48.0 MB in the beginning and 31.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,221 INFO L168 Benchmark]: Witness Printer took 94.33 ms. Allocated memory is still 75.5 MB. Free memory was 31.0 MB in the beginning and 24.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:44:41,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.93 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.2 MB in the beginning and 38.7 MB in the end (delta: -10.5 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.81 ms. Allocated memory is still 62.9 MB. Free memory was 38.7 MB in the beginning and 35.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.48 ms. Allocated memory is still 62.9 MB. Free memory was 35.6 MB in the beginning and 33.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 794.78 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 48.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1463.17 ms. Allocated memory is still 75.5 MB. Free memory was 48.0 MB in the beginning and 31.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 94.33 ms. Allocated memory is still 75.5 MB. Free memory was 31.0 MB in the beginning and 24.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 498]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 498]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 498]: 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, 69 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1382.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 11.8ms, AutomataDifference: 367.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 306.5ms, InitialAbstractionConstructionTime: 13.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 283 SDtfs, 352 SDslu, 369 SDs, 0 SdLazy, 87 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 99.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 135.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 39.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 66 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1450 FormulaSimplificationTreeSizeReduction, 74.3ms HoareSimplificationTime, 30 FomulaSimplificationsInter, 371 FormulaSimplificationTreeSizeReductionInter, 219.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 23.3ms SsaConstructionTime, 196.8ms SatisfiabilityAnalysisTime, 268.6ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 217 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:44:41,286 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...