./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product23.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_spec2_product23.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 8105acde44a746346743774bfdcca7c2d11e450d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:43:21,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:43:21,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:43:21,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:43:21,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:43:21,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:43:21,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:43:21,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:43:21,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:43:21,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:43:21,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:43:21,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:43:21,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:43:21,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:43:21,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:43:21,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:43:21,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:43:21,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:43:21,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:43:21,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:43:21,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:43:21,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:43:21,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:43:21,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:43:21,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:43:21,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:43:21,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:43:21,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:43:21,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:43:21,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:43:21,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:43:21,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:43:21,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:43:21,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:43:21,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:43:21,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:43:21,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:43:21,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:43:21,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:43:21,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:43:21,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:43:21,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:43:21,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:43:21,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:43:21,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:43:21,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:43:21,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:43:21,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:43:21,858 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:43:21,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:43:21,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:43:21,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:43:21,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:43:21,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:43:21,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:43:21,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:43:21,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:43:21,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:43:21,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:43:21,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:43:21,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:43:21,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:43:21,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:43:21,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:43:21,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:21,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:43:21,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:43:21,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:43:21,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:43:21,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:43:21,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:43:21,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:43:21,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8105acde44a746346743774bfdcca7c2d11e450d [2021-08-26 08:43:22,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:43:22,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:43:22,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:43:22,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:43:22,114 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:43:22,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2021-08-26 08:43:22,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea551d99/aa2449b6943b45bd983a9133249b0187/FLAG0b9fae36a [2021-08-26 08:43:22,603 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:43:22,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2021-08-26 08:43:22,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea551d99/aa2449b6943b45bd983a9133249b0187/FLAG0b9fae36a [2021-08-26 08:43:22,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea551d99/aa2449b6943b45bd983a9133249b0187 [2021-08-26 08:43:22,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:43:22,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:43:22,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:22,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:43:22,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:43:22,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:22,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56232584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22, skipping insertion in model container [2021-08-26 08:43:22,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:22,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:43:22,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:43:22,845 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_spec2_product23.cil.c[13059,13072] [2021-08-26 08:43:22,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:22,888 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:43:22,956 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_spec2_product23.cil.c[13059,13072] [2021-08-26 08:43:22,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:43:22,986 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:43:22,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22 WrapperNode [2021-08-26 08:43:22,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:43:22,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:22,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:43:22,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:43:22,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:43:23,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:43:23,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:43:23,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:43:23,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:43:23,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:43:23,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:43:23,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:43:23,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (1/1) ... [2021-08-26 08:43:23,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:43:23,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:43:23,154 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 08:43:23,174 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 08:43:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:43:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:43:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:43:23,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:43:23,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:43:23,907 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-08-26 08:43:23,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:23 BoogieIcfgContainer [2021-08-26 08:43:23,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:43:23,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:43:23,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:43:23,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:43:23,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:43:22" (1/3) ... [2021-08-26 08:43:23,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7844dfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:23, skipping insertion in model container [2021-08-26 08:43:23,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:43:22" (2/3) ... [2021-08-26 08:43:23,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7844dfdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:43:23, skipping insertion in model container [2021-08-26 08:43:23,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:23" (3/3) ... [2021-08-26 08:43:23,916 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2021-08-26 08:43:23,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:43:23,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:43:23,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:43:23,953 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 08:43:23,954 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:43:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 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 08:43:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 08:43:23,967 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:23,968 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:23,968 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 08:43:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:23,972 INFO L82 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2021-08-26 08:43:23,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:23,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44110093] [2021-08-26 08:43:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:23,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:24,172 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 08:43:24,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:24,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44110093] [2021-08-26 08:43:24,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44110093] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:24,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:24,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:43:24,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524731845] [2021-08-26 08:43:24,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:43:24,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:24,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:43:24,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:43:24,190 INFO L87 Difference]: Start difference. First operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:24,207 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2021-08-26 08:43:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:43:24,209 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-26 08:43:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:24,215 INFO L225 Difference]: With dead ends: 215 [2021-08-26 08:43:24,215 INFO L226 Difference]: Without dead ends: 107 [2021-08-26 08:43:24,217 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 08:43:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-08-26 08:43:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-08-26 08:43:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.4807692307692308) internal successors, (154), 106 states have internal predecessors, (154), 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 08:43:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2021-08-26 08:43:24,243 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2021-08-26 08:43:24,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:24,243 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2021-08-26 08:43:24,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2021-08-26 08:43:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:43:24,244 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:24,244 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:24,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:43:24,245 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 08:43:24,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:24,246 INFO L82 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2021-08-26 08:43:24,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:24,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531191086] [2021-08-26 08:43:24,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:24,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:24,306 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 08:43:24,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:24,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531191086] [2021-08-26 08:43:24,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531191086] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:24,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:24,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:43:24,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949146821] [2021-08-26 08:43:24,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:43:24,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:24,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:43:24,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:24,313 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:24,327 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2021-08-26 08:43:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:43:24,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-26 08:43:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:24,328 INFO L225 Difference]: With dead ends: 107 [2021-08-26 08:43:24,329 INFO L226 Difference]: Without dead ends: 47 [2021-08-26 08:43:24,330 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:43:24,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-26 08:43:24,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-26 08:43:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-08-26 08:43:24,338 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-08-26 08:43:24,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:24,339 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-08-26 08:43:24,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-08-26 08:43:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-26 08:43:24,341 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:24,341 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 08:43:24,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:43:24,342 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 08:43:24,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:24,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2021-08-26 08:43:24,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:24,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536667879] [2021-08-26 08:43:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:24,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:24,446 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 08:43:24,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:24,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536667879] [2021-08-26 08:43:24,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536667879] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:24,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:24,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:43:24,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601972166] [2021-08-26 08:43:24,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:43:24,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:24,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:43:24,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:43:24,449 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:24,615 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-08-26 08:43:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:43:24,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-26 08:43:24,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:24,619 INFO L225 Difference]: With dead ends: 151 [2021-08-26 08:43:24,620 INFO L226 Difference]: Without dead ends: 111 [2021-08-26 08:43:24,620 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-26 08:43:24,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-08-26 08:43:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2021-08-26 08:43:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 66 states have internal predecessors, (98), 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 08:43:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2021-08-26 08:43:24,627 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2021-08-26 08:43:24,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:24,628 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2021-08-26 08:43:24,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2021-08-26 08:43:24,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:43:24,628 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:24,629 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:24,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:43:24,629 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 08:43:24,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:24,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2021-08-26 08:43:24,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:24,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434327408] [2021-08-26 08:43:24,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:24,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:24,703 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 08:43:24,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:24,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434327408] [2021-08-26 08:43:24,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434327408] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:24,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:24,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:24,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874065991] [2021-08-26 08:43:24,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:24,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:24,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:24,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:24,705 INFO L87 Difference]: Start difference. First operand 67 states and 98 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:24,811 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2021-08-26 08:43:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:43:24,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 08:43:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:24,816 INFO L225 Difference]: With dead ends: 314 [2021-08-26 08:43:24,817 INFO L226 Difference]: Without dead ends: 254 [2021-08-26 08:43:24,819 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:43:24,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-08-26 08:43:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2021-08-26 08:43:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.4745762711864407) internal successors, (174), 118 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-08-26 08:43:24,846 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2021-08-26 08:43:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:24,847 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-08-26 08:43:24,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 08:43:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-08-26 08:43:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:43:24,849 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:43:24,849 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:43:24,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:43:24,849 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 08:43:24,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:43:24,850 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2021-08-26 08:43:24,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:43:24,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748494267] [2021-08-26 08:43:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:43:24,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:43:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:43:24,894 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 08:43:24,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:43:24,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748494267] [2021-08-26 08:43:24,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748494267] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:43:24,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:43:24,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:43:24,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365852288] [2021-08-26 08:43:24,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:43:24,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:43:24,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:43:24,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:43:24,903 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-08-26 08:43:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:43:24,969 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2021-08-26 08:43:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:43:24,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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 [2021-08-26 08:43:24,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:43:24,970 INFO L225 Difference]: With dead ends: 315 [2021-08-26 08:43:24,970 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:43:24,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:43:24,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:43:24,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:43:24,971 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 08:43:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:43:24,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-08-26 08:43:24,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:43:24,972 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:43:24,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-08-26 08:43:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:43:24,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:43:24,974 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:24,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:24,975 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:43:24,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:43:24,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:43:24,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:24,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:24,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:24,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:24,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:43:25,205 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2021-08-26 08:43:25,206 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 704) no Hoare annotation was computed. [2021-08-26 08:43:25,206 INFO L857 garLoopResultBuilder]: For program point L696-1(lines 696 704) no Hoare annotation was computed. [2021-08-26 08:43:25,206 INFO L857 garLoopResultBuilder]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2021-08-26 08:43:25,206 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 610) no Hoare annotation was computed. [2021-08-26 08:43:25,206 INFO L857 garLoopResultBuilder]: For program point L666(lines 666 683) no Hoare annotation was computed. [2021-08-26 08:43:25,206 INFO L857 garLoopResultBuilder]: For program point L666-1(lines 666 683) no Hoare annotation was computed. [2021-08-26 08:43:25,207 INFO L857 garLoopResultBuilder]: For program point L666-2(lines 666 683) no Hoare annotation was computed. [2021-08-26 08:43:25,207 INFO L857 garLoopResultBuilder]: For program point L666-3(lines 666 683) no Hoare annotation was computed. [2021-08-26 08:43:25,207 INFO L857 garLoopResultBuilder]: For program point L666-4(lines 666 683) no Hoare annotation was computed. [2021-08-26 08:43:25,207 INFO L857 garLoopResultBuilder]: For program point L666-5(lines 666 683) no Hoare annotation was computed. [2021-08-26 08:43:25,207 INFO L853 garLoopResultBuilder]: At program point L634(lines 633 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,207 INFO L857 garLoopResultBuilder]: For program point L634-1(lines 634 640) no Hoare annotation was computed. [2021-08-26 08:43:25,207 INFO L857 garLoopResultBuilder]: For program point L568(lines 567 614) no Hoare annotation was computed. [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L634-2(lines 633 652) the Hoare annotation is: false [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L634-3(lines 633 652) the Hoare annotation is: false [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L800(lines 785 803) the Hoare annotation is: false [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 785 803) the Hoare annotation is: false [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L800-2(lines 785 803) the Hoare annotation is: false [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L800-3(lines 785 803) the Hoare annotation is: false [2021-08-26 08:43:25,208 INFO L853 garLoopResultBuilder]: At program point L800-4(lines 785 803) the Hoare annotation is: false [2021-08-26 08:43:25,209 INFO L853 garLoopResultBuilder]: At program point L800-5(lines 785 803) the Hoare annotation is: false [2021-08-26 08:43:25,209 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 573) no Hoare annotation was computed. [2021-08-26 08:43:25,209 INFO L857 garLoopResultBuilder]: For program point L603(lines 603 609) no Hoare annotation was computed. [2021-08-26 08:43:25,209 INFO L853 garLoopResultBuilder]: At program point L603-1(lines 634 640) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,209 INFO L853 garLoopResultBuilder]: At program point L736(lines 729 739) the Hoare annotation is: false [2021-08-26 08:43:25,209 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 729 739) the Hoare annotation is: false [2021-08-26 08:43:25,209 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 678) no Hoare annotation was computed. [2021-08-26 08:43:25,209 INFO L853 garLoopResultBuilder]: At program point L736-2(lines 729 739) the Hoare annotation is: false [2021-08-26 08:43:25,210 INFO L857 garLoopResultBuilder]: For program point L670-1(lines 670 678) no Hoare annotation was computed. [2021-08-26 08:43:25,210 INFO L857 garLoopResultBuilder]: For program point L670-2(lines 670 678) no Hoare annotation was computed. [2021-08-26 08:43:25,210 INFO L857 garLoopResultBuilder]: For program point L670-3(lines 670 678) no Hoare annotation was computed. [2021-08-26 08:43:25,210 INFO L857 garLoopResultBuilder]: For program point L670-4(lines 670 678) no Hoare annotation was computed. [2021-08-26 08:43:25,210 INFO L857 garLoopResultBuilder]: For program point L670-5(lines 670 678) no Hoare annotation was computed. [2021-08-26 08:43:25,210 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2021-08-26 08:43:25,210 INFO L853 garLoopResultBuilder]: At program point L869-2(lines 869 883) the Hoare annotation is: false [2021-08-26 08:43:25,211 INFO L857 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2021-08-26 08:43:25,211 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-08-26 08:43:25,211 INFO L853 garLoopResultBuilder]: At program point L641(lines 641 647) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,211 INFO L853 garLoopResultBuilder]: At program point L641-1(lines 641 647) the Hoare annotation is: false [2021-08-26 08:43:25,211 INFO L853 garLoopResultBuilder]: At program point L641-2(lines 641 647) the Hoare annotation is: false [2021-08-26 08:43:25,211 INFO L853 garLoopResultBuilder]: At program point L146(lines 141 148) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2021-08-26 08:43:25,211 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-08-26 08:43:25,212 INFO L857 garLoopResultBuilder]: For program point L873-1(lines 634 640) no Hoare annotation was computed. [2021-08-26 08:43:25,212 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-08-26 08:43:25,212 INFO L853 garLoopResultBuilder]: At program point L808-1(lines 808 814) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,212 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 583) no Hoare annotation was computed. [2021-08-26 08:43:25,212 INFO L853 garLoopResultBuilder]: At program point L577-1(lines 577 583) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,212 INFO L857 garLoopResultBuilder]: For program point L941(lines 941 948) no Hoare annotation was computed. [2021-08-26 08:43:25,212 INFO L860 garLoopResultBuilder]: At program point L941-1(lines 941 948) the Hoare annotation is: true [2021-08-26 08:43:25,213 INFO L853 garLoopResultBuilder]: At program point L745(lines 740 748) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:43:25,213 INFO L853 garLoopResultBuilder]: At program point L745-1(lines 740 748) the Hoare annotation is: false [2021-08-26 08:43:25,213 INFO L853 garLoopResultBuilder]: At program point L745-2(lines 740 748) the Hoare annotation is: false [2021-08-26 08:43:25,213 INFO L853 garLoopResultBuilder]: At program point L845(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:25,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:43:25,213 INFO L853 garLoopResultBuilder]: At program point L615(lines 566 616) the Hoare annotation is: false [2021-08-26 08:43:25,213 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point L549-1(line 549) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point L549-2(line 549) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 174) no Hoare annotation was computed. [2021-08-26 08:43:25,214 INFO L853 garLoopResultBuilder]: At program point L157-1(lines 1 953) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,215 INFO L857 garLoopResultBuilder]: For program point L157-2(lines 157 174) no Hoare annotation was computed. [2021-08-26 08:43:25,215 INFO L853 garLoopResultBuilder]: At program point L157-3(lines 1 953) the Hoare annotation is: false [2021-08-26 08:43:25,215 INFO L857 garLoopResultBuilder]: For program point L157-4(lines 157 174) no Hoare annotation was computed. [2021-08-26 08:43:25,215 INFO L853 garLoopResultBuilder]: At program point L157-5(lines 1 953) the Hoare annotation is: false [2021-08-26 08:43:25,215 INFO L860 garLoopResultBuilder]: At program point L950(lines 931 953) the Hoare annotation is: true [2021-08-26 08:43:25,215 INFO L853 garLoopResultBuilder]: At program point L917(lines 913 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2021-08-26 08:43:25,215 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L587-1(lines 587 593) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:25,216 INFO L853 garLoopResultBuilder]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2021-08-26 08:43:25,217 INFO L853 garLoopResultBuilder]: At program point L853(lines 848 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:43:25,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:43:25,217 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 171) no Hoare annotation was computed. [2021-08-26 08:43:25,217 INFO L857 garLoopResultBuilder]: For program point L161-2(lines 161 171) no Hoare annotation was computed. [2021-08-26 08:43:25,217 INFO L857 garLoopResultBuilder]: For program point L161-4(lines 161 171) no Hoare annotation was computed. [2021-08-26 08:43:25,217 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 168) no Hoare annotation was computed. [2021-08-26 08:43:25,217 INFO L857 garLoopResultBuilder]: For program point L162-2(lines 162 168) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L857 garLoopResultBuilder]: For program point L162-4(lines 162 168) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L857 garLoopResultBuilder]: For program point L692(lines 692 709) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L857 garLoopResultBuilder]: For program point L692-1(lines 692 709) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L857 garLoopResultBuilder]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2021-08-26 08:43:25,218 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:25,218 INFO L853 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:25,219 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-26 08:43:25,219 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:25,219 INFO L853 garLoopResultBuilder]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:25,219 INFO L853 garLoopResultBuilder]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:25,219 INFO L853 garLoopResultBuilder]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2021-08-26 08:43:25,219 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,219 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-5(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-8(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-9(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-11(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-12(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,220 INFO L857 garLoopResultBuilder]: For program point L794-14(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,221 INFO L857 garLoopResultBuilder]: For program point L794-15(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,221 INFO L857 garLoopResultBuilder]: For program point L794-17(lines 794 798) no Hoare annotation was computed. [2021-08-26 08:43:25,224 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:43:25,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:43:25 BoogieIcfgContainer [2021-08-26 08:43:25,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:43:25,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:43:25,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:43:25,236 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:43:25,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:43:23" (3/4) ... [2021-08-26 08:43:25,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:43:25,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:43:25,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:43:25,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:43:25,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:43:25,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:43:25,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:25,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:43:25,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-26 08:43:25,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:25,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-08-26 08:43:25,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:43:25,295 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:43:25,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:43:25,296 INFO L168 Benchmark]: Toolchain (without parser) took 2669.88 ms. Allocated memory was 73.4 MB in the beginning and 119.5 MB in the end (delta: 46.1 MB). Free memory was 57.3 MB in the beginning and 75.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,297 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 73.4 MB. Free memory was 56.1 MB in the beginning and 56.0 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:43:25,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.92 ms. Allocated memory is still 73.4 MB. Free memory was 57.2 MB in the beginning and 49.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.10 ms. Allocated memory is still 73.4 MB. Free memory was 49.0 MB in the beginning and 45.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,297 INFO L168 Benchmark]: Boogie Preprocessor took 65.82 ms. Allocated memory is still 73.4 MB. Free memory was 45.4 MB in the beginning and 42.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,298 INFO L168 Benchmark]: RCFGBuilder took 779.41 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 42.7 MB in the beginning and 56.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,298 INFO L168 Benchmark]: TraceAbstraction took 1323.85 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 85.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,298 INFO L168 Benchmark]: Witness Printer took 59.63 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 75.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:43:25,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 73.4 MB. Free memory was 56.1 MB in the beginning and 56.0 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.92 ms. Allocated memory is still 73.4 MB. Free memory was 57.2 MB in the beginning and 49.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.10 ms. Allocated memory is still 73.4 MB. Free memory was 49.0 MB in the beginning and 45.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.82 ms. Allocated memory is still 73.4 MB. Free memory was 45.4 MB in the beginning and 42.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 779.41 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 42.7 MB in the beginning and 56.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1323.85 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 85.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Witness Printer took 59.63 ms. Allocated memory is still 119.5 MB. Free memory was 84.5 MB in the beginning and 75.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 549]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 549]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 549]: 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, 111 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1275.8ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 11.4ms, AutomataDifference: 419.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 229.5ms, InitialAbstractionConstructionTime: 7.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 449 SDtfs, 598 SDslu, 702 SDs, 0 SdLazy, 86 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 181.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 106.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, 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: 59.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 153 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 101.6ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 117.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 18.1ms SsaConstructionTime, 130.3ms SatisfiabilityAnalysisTime, 271.7ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: 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 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:43:25,333 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...