./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product17.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 f109400e8916ff9eba13533e7575144e5f0c1404 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:14:43,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:14:43,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:14:43,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:14:43,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:14:43,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:14:43,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:14:43,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:14:43,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:14:43,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:14:43,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:14:43,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:14:43,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:14:43,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:14:43,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:14:43,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:14:43,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:14:43,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:14:43,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:14:43,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:14:43,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:14:43,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:14:43,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:14:43,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:14:43,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:14:43,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:14:43,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:14:43,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:14:43,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:14:43,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:14:43,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:14:43,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:14:43,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:14:43,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:14:43,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:14:43,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:14:43,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:14:43,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:14:43,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:14:43,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:14:43,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:14:43,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:14:43,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:14:43,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:14:43,931 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:14:43,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:14:43,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:14:43,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:14:43,932 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:14:43,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:14:43,933 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:14:43,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:14:43,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:14:43,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:14:43,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:14:43,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:14:43,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:14:43,934 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:14:43,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:14:43,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:14:43,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:14:43,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:14:43,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:14:43,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:14:43,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:14:43,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:14:43,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:14:43,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:14:43,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:14:43,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:14:43,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:14:43,937 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:14:43,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2021-08-29 16:14:44,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:14:44,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:14:44,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:14:44,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:14:44,274 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:14:44,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-08-29 16:14:44,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded2c6999/bb21e19c584244e998d4b8ab6d70731b/FLAG7cd046bf3 [2021-08-29 16:14:44,842 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:14:44,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-08-29 16:14:44,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded2c6999/bb21e19c584244e998d4b8ab6d70731b/FLAG7cd046bf3 [2021-08-29 16:14:45,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded2c6999/bb21e19c584244e998d4b8ab6d70731b [2021-08-29 16:14:45,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:14:45,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:14:45,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:14:45,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:14:45,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:14:45,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb7d9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45, skipping insertion in model container [2021-08-29 16:14:45,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:14:45,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:14:45,442 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_product17.cil.c[6078,6091] [2021-08-29 16:14:45,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:14:45,540 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:14:45,579 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_product17.cil.c[6078,6091] [2021-08-29 16:14:45,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:14:45,632 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:14:45,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45 WrapperNode [2021-08-29 16:14:45,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:14:45,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:14:45,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:14:45,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:14:45,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:14:45,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:14:45,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:14:45,687 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:14:45,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:14:45,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:14:45,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:14:45,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:14:45,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (1/1) ... [2021-08-29 16:14:45,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:14:45,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:14:45,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:14:45,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:14:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:14:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:14:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:14:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:14:46,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:14:46,301 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-08-29 16:14:46,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:46 BoogieIcfgContainer [2021-08-29 16:14:46,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:14:46,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:14:46,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:14:46,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:14:46,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:14:45" (1/3) ... [2021-08-29 16:14:46,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67faaa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:14:46, skipping insertion in model container [2021-08-29 16:14:46,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:45" (2/3) ... [2021-08-29 16:14:46,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67faaa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:14:46, skipping insertion in model container [2021-08-29 16:14:46,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:46" (3/3) ... [2021-08-29 16:14:46,309 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-08-29 16:14:46,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:14:46,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:14:46,354 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:14:46,361 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:14:46,361 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:14:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:14:46,379 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:46,380 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:46,380 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:46,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1001432226, now seen corresponding path program 1 times [2021-08-29 16:14:46,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:46,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664085038] [2021-08-29 16:14:46,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:46,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:46,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:46,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664085038] [2021-08-29 16:14:46,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664085038] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:46,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:46,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:14:46,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288310286] [2021-08-29 16:14:46,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:14:46,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:46,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:14:46,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:14:46,687 INFO L87 Difference]: Start difference. First operand has 79 states, 75 states have (on average 1.5733333333333333) internal successors, (118), 78 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-08-29 16:14:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:46,947 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-08-29 16:14:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:14:46,950 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 [2021-08-29 16:14:46,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:46,959 INFO L225 Difference]: With dead ends: 151 [2021-08-29 16:14:46,960 INFO L226 Difference]: Without dead ends: 75 [2021-08-29 16:14:46,963 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.07ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:14:46,969 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 176.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 223.27ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:46,971 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 111 Unknown, 0 Unchecked, 1.65ms Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 223.27ms Time] [2021-08-29 16:14:46,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-08-29 16:14:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-08-29 16:14:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-08-29 16:14:47,018 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-08-29 16:14:47,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:47,019 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-08-29 16:14:47,019 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) [2021-08-29 16:14:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-08-29 16:14:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:14:47,020 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:47,021 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:47,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:14:47,022 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:47,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:47,025 INFO L82 PathProgramCache]: Analyzing trace with hash -434799197, now seen corresponding path program 1 times [2021-08-29 16:14:47,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:47,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219470271] [2021-08-29 16:14:47,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:47,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:47,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:47,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219470271] [2021-08-29 16:14:47,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219470271] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:47,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:47,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:14:47,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443969548] [2021-08-29 16:14:47,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:14:47,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:47,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:14:47,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:47,145 INFO L87 Difference]: Start difference. First operand 75 states and 106 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) [2021-08-29 16:14:47,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:47,292 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-08-29 16:14:47,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:14:47,293 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 [2021-08-29 16:14:47,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:47,294 INFO L225 Difference]: With dead ends: 75 [2021-08-29 16:14:47,294 INFO L226 Difference]: Without dead ends: 35 [2021-08-29 16:14:47,294 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:47,295 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.83ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:47,296 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 55 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 127.83ms Time] [2021-08-29 16:14:47,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-08-29 16:14:47,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-08-29 16:14:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-08-29 16:14:47,301 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-08-29 16:14:47,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:47,301 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-08-29 16:14:47,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-08-29 16:14:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:14:47,303 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:47,303 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:47,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:14:47,303 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:47,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:47,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2021-08-29 16:14:47,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:47,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600700508] [2021-08-29 16:14:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:47,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:47,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:47,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600700508] [2021-08-29 16:14:47,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600700508] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:47,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:47,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:14:47,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827408579] [2021-08-29 16:14:47,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:14:47,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:47,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:14:47,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:14:47,385 INFO L87 Difference]: Start difference. First operand 35 states and 49 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) [2021-08-29 16:14:47,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:47,554 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-08-29 16:14:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:14:47,555 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 [2021-08-29 16:14:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:47,556 INFO L225 Difference]: With dead ends: 63 [2021-08-29 16:14:47,556 INFO L226 Difference]: Without dead ends: 35 [2021-08-29 16:14:47,557 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.07ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:14:47,558 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 170 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.02ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:47,558 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 0 Invalid, 54 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 146.02ms Time] [2021-08-29 16:14:47,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-08-29 16:14:47,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-08-29 16:14:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-08-29 16:14:47,562 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-08-29 16:14:47,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:47,562 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-08-29 16:14:47,562 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) [2021-08-29 16:14:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-08-29 16:14:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:14:47,563 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:47,563 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:47,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:14:47,563 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:47,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:47,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2021-08-29 16:14:47,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:47,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343730705] [2021-08-29 16:14:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:47,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:47,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:47,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343730705] [2021-08-29 16:14:47,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343730705] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:47,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:47,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:14:47,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069877188] [2021-08-29 16:14:47,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:14:47,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:47,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:14:47,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:14:47,648 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:47,958 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-08-29 16:14:47,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:14:47,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-08-29 16:14:47,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:47,960 INFO L225 Difference]: With dead ends: 154 [2021-08-29 16:14:47,961 INFO L226 Difference]: Without dead ends: 126 [2021-08-29 16:14:47,961 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 28.22ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:14:47,962 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 210.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.24ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 269.72ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:47,963 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 313 Unknown, 0 Unchecked, 2.24ms Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 269.72ms Time] [2021-08-29 16:14:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-08-29 16:14:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-08-29 16:14:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 57 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-08-29 16:14:47,972 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-08-29 16:14:47,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:47,972 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-08-29 16:14:47,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-08-29 16:14:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:14:47,973 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:47,973 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:47,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:14:47,974 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:47,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:47,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2021-08-29 16:14:47,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:47,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746316349] [2021-08-29 16:14:47,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:47,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:48,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:48,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746316349] [2021-08-29 16:14:48,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746316349] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:48,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:48,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:14:48,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147963452] [2021-08-29 16:14:48,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:14:48,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:48,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:14:48,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:14:48,039 INFO L87 Difference]: Start difference. First operand 58 states and 81 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) [2021-08-29 16:14:48,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:48,235 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-08-29 16:14:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:14:48,236 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 [2021-08-29 16:14:48,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:48,237 INFO L225 Difference]: With dead ends: 150 [2021-08-29 16:14:48,237 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:14:48,237 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.97ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:14:48,238 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 173.79ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:48,239 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 144 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 173.79ms Time] [2021-08-29 16:14:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:14:48,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:14:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:14:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:14:48,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-08-29 16:14:48,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:48,240 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:14:48,240 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) [2021-08-29 16:14:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:14:48,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:14:48,242 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:14:48,243 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:14:48,243 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:14:48,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:14:48,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:14:48,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:48,534 INFO L854 garLoopResultBuilder]: At program point L217(lines 216 235) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,534 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-08-29 16:14:48,534 INFO L858 garLoopResultBuilder]: For program point L217-1(lines 217 223) no Hoare annotation was computed. [2021-08-29 16:14:48,535 INFO L858 garLoopResultBuilder]: For program point L151(lines 150 195) no Hoare annotation was computed. [2021-08-29 16:14:48,535 INFO L854 garLoopResultBuilder]: At program point L217-2(lines 216 235) the Hoare annotation is: false [2021-08-29 16:14:48,535 INFO L854 garLoopResultBuilder]: At program point L217-3(lines 216 235) the Hoare annotation is: false [2021-08-29 16:14:48,535 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:14:48,535 INFO L858 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2021-08-29 16:14:48,535 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 806) no Hoare annotation was computed. [2021-08-29 16:14:48,536 INFO L858 garLoopResultBuilder]: For program point L829-1(lines 217 223) no Hoare annotation was computed. [2021-08-29 16:14:48,536 INFO L858 garLoopResultBuilder]: For program point L796-2(lines 796 806) no Hoare annotation was computed. [2021-08-29 16:14:48,536 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-08-29 16:14:48,536 INFO L858 garLoopResultBuilder]: For program point L796-4(lines 796 806) no Hoare annotation was computed. [2021-08-29 16:14:48,536 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-08-29 16:14:48,536 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 351 355) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 803) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L351-3(lines 351 355) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L797-2(lines 797 803) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L351-5(lines 351 355) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L351-6(lines 351 355) no Hoare annotation was computed. [2021-08-29 16:14:48,537 INFO L858 garLoopResultBuilder]: For program point L797-4(lines 797 803) no Hoare annotation was computed. [2021-08-29 16:14:48,538 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 217 223) no Hoare annotation was computed. [2021-08-29 16:14:48,538 INFO L858 garLoopResultBuilder]: For program point L351-8(lines 351 355) no Hoare annotation was computed. [2021-08-29 16:14:48,538 INFO L854 garLoopResultBuilder]: At program point L302(lines 297 305) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,538 INFO L854 garLoopResultBuilder]: At program point L781(lines 776 783) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,538 INFO L854 garLoopResultBuilder]: At program point L302-1(lines 297 305) the Hoare annotation is: false [2021-08-29 16:14:48,539 INFO L854 garLoopResultBuilder]: At program point L302-2(lines 297 305) the Hoare annotation is: false [2021-08-29 16:14:48,539 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-08-29 16:14:48,539 INFO L854 garLoopResultBuilder]: At program point L170-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,539 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 904) no Hoare annotation was computed. [2021-08-29 16:14:48,539 INFO L861 garLoopResultBuilder]: At program point L897-1(lines 897 904) the Hoare annotation is: true [2021-08-29 16:14:48,539 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 261) no Hoare annotation was computed. [2021-08-29 16:14:48,539 INFO L858 garLoopResultBuilder]: For program point L253-1(lines 253 261) no Hoare annotation was computed. [2021-08-29 16:14:48,540 INFO L858 garLoopResultBuilder]: For program point L253-2(lines 253 261) no Hoare annotation was computed. [2021-08-29 16:14:48,540 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-08-29 16:14:48,540 INFO L858 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-08-29 16:14:48,540 INFO L858 garLoopResultBuilder]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-08-29 16:14:48,540 INFO L854 garLoopResultBuilder]: At program point L387(lines 1 909) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,540 INFO L858 garLoopResultBuilder]: For program point L404(line 404) no Hoare annotation was computed. [2021-08-29 16:14:48,541 INFO L858 garLoopResultBuilder]: For program point L404-1(line 404) no Hoare annotation was computed. [2021-08-29 16:14:48,541 INFO L858 garLoopResultBuilder]: For program point L404-2(line 404) no Hoare annotation was computed. [2021-08-29 16:14:48,541 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:14:48,541 INFO L854 garLoopResultBuilder]: At program point L224(lines 224 230) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,541 INFO L854 garLoopResultBuilder]: At program point L224-1(lines 224 230) the Hoare annotation is: false [2021-08-29 16:14:48,541 INFO L854 garLoopResultBuilder]: At program point L224-2(lines 224 230) the Hoare annotation is: false [2021-08-29 16:14:48,542 INFO L854 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,542 INFO L854 garLoopResultBuilder]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-08-29 16:14:48,542 INFO L854 garLoopResultBuilder]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-08-29 16:14:48,542 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-08-29 16:14:48,542 INFO L854 garLoopResultBuilder]: At program point L357(lines 342 360) the Hoare annotation is: false [2021-08-29 16:14:48,543 INFO L854 garLoopResultBuilder]: At program point L357-1(lines 342 360) the Hoare annotation is: false [2021-08-29 16:14:48,543 INFO L854 garLoopResultBuilder]: At program point L357-2(lines 342 360) the Hoare annotation is: false [2021-08-29 16:14:48,543 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-08-29 16:14:48,543 INFO L854 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,543 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:14:48,543 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-08-29 16:14:48,544 INFO L861 garLoopResultBuilder]: At program point L906(lines 887 909) the Hoare annotation is: true [2021-08-29 16:14:48,544 INFO L854 garLoopResultBuilder]: At program point L873(lines 869 875) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,544 INFO L854 garLoopResultBuilder]: At program point L196(lines 149 197) the Hoare annotation is: false [2021-08-29 16:14:48,544 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-08-29 16:14:48,544 INFO L854 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,544 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:14:48,545 INFO L858 garLoopResultBuilder]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-08-29 16:14:48,545 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 404) no Hoare annotation was computed. [2021-08-29 16:14:48,545 INFO L854 garLoopResultBuilder]: At program point L792-1(lines 1 909) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0)) [2021-08-29 16:14:48,545 INFO L854 garLoopResultBuilder]: At program point L825-2(lines 825 839) the Hoare annotation is: false [2021-08-29 16:14:48,545 INFO L858 garLoopResultBuilder]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-08-29 16:14:48,545 INFO L854 garLoopResultBuilder]: At program point L792-3(lines 1 909) the Hoare annotation is: false [2021-08-29 16:14:48,546 INFO L858 garLoopResultBuilder]: For program point L792-4(lines 792 809) no Hoare annotation was computed. [2021-08-29 16:14:48,546 INFO L854 garLoopResultBuilder]: At program point L792-5(lines 1 909) the Hoare annotation is: false [2021-08-29 16:14:48,546 INFO L858 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2021-08-29 16:14:48,546 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-08-29 16:14:48,546 INFO L854 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-08-29 16:14:48,546 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-08-29 16:14:48,547 INFO L854 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-08-29 16:14:48,547 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 266) no Hoare annotation was computed. [2021-08-29 16:14:48,547 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 249 266) no Hoare annotation was computed. [2021-08-29 16:14:48,547 INFO L858 garLoopResultBuilder]: For program point L249-2(lines 249 266) no Hoare annotation was computed. [2021-08-29 16:14:48,551 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:14:48,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:14:48 BoogieIcfgContainer [2021-08-29 16:14:48,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:14:48,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:14:48,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:14:48,566 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:14:48,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:46" (3/4) ... [2021-08-29 16:14:48,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:14:48,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:14:48,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:14:48,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:14:48,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:14:48,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:14:48,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:14:48,583 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:14:48,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-08-29 16:14:48,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && tmp == systemActive) && 1 == systemActive [2021-08-29 16:14:48,643 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:14:48,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:14:48,644 INFO L158 Benchmark]: Toolchain (without parser) took 3467.10ms. Allocated memory was 54.5MB in the beginning and 92.3MB in the end (delta: 37.7MB). Free memory was 30.9MB in the beginning and 45.6MB in the end (delta: -14.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,644 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:14:48,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.53ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.7MB in the beginning and 42.9MB in the end (delta: -12.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.15ms. Allocated memory is still 73.4MB. Free memory was 42.9MB in the beginning and 40.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,645 INFO L158 Benchmark]: Boogie Preprocessor took 42.24ms. Allocated memory is still 73.4MB. Free memory was 40.0MB in the beginning and 55.3MB in the end (delta: -15.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,645 INFO L158 Benchmark]: RCFGBuilder took 573.19ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 40.1MB in the end (delta: 15.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,645 INFO L158 Benchmark]: TraceAbstraction took 2261.23ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 39.6MB in the beginning and 52.7MB in the end (delta: -13.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,646 INFO L158 Benchmark]: Witness Printer took 77.77ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 45.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:14:48,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.53ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 30.7MB in the beginning and 42.9MB in the end (delta: -12.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.15ms. Allocated memory is still 73.4MB. Free memory was 42.9MB in the beginning and 40.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.24ms. Allocated memory is still 73.4MB. Free memory was 40.0MB in the beginning and 55.3MB in the end (delta: -15.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 573.19ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 40.1MB in the end (delta: 15.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2261.23ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 39.6MB in the beginning and 52.7MB in the end (delta: -13.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 77.77ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 45.6MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 404]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 404]: 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, 79 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2198.61ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 12.58ms, AutomataDifference: 1159.35ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 290.16ms, InitialAbstractionConstructionTime: 8.88ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 422 SdHoareTripleChecker+Valid, 940.62ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 422 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 731.69ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 296 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 668 IncrementalHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 668 mSolverCounterSat, 7.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 74.80ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 50.03ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 190 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1421 FormulaSimplificationTreeSizeReduction, 123.70ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 148.93ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 23.26ms SsaConstructionTime, 209.84ms SatisfiabilityAnalysisTime, 284.80ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 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: 160]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:14:48,689 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...