./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4003051e8c7e84d7a7481775cdc05def8cb96ed2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:17:19,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:17:19,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:17:19,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:17:19,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:17:19,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:17:19,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:17:19,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:17:19,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:17:19,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:17:19,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:17:19,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:17:19,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:17:19,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:17:19,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:17:19,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:17:19,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:17:19,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:17:19,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:17:19,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:17:19,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:17:19,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:17:19,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:17:19,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:17:19,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:17:19,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:17:19,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:17:19,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:17:19,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:17:19,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:17:19,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:17:19,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:17:19,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:17:19,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:17:19,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:17:19,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:17:19,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:17:19,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:17:19,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:17:19,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:17:19,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:17:19,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:17:19,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:17:19,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:17:19,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:17:19,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:17:19,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:17:19,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:17:19,963 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:17:19,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:17:19,963 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:17:19,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:17:19,964 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:17:19,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:17:19,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:17:19,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:17:19,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2021-08-29 16:17:20,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:17:20,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:17:20,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:17:20,274 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:17:20,275 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:17:20,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-08-29 16:17:20,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b02b715/0a918b36b85b47bfb67cb30b13ee5a2a/FLAG9997af88d [2021-08-29 16:17:20,820 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:17:20,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-08-29 16:17:20,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b02b715/0a918b36b85b47bfb67cb30b13ee5a2a/FLAG9997af88d [2021-08-29 16:17:20,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12b02b715/0a918b36b85b47bfb67cb30b13ee5a2a [2021-08-29 16:17:20,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:17:20,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:17:20,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:17:20,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:17:20,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:17:20,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:17:20" (1/1) ... [2021-08-29 16:17:20,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdc0a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:20, skipping insertion in model container [2021-08-29 16:17:20,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:17:20" (1/1) ... [2021-08-29 16:17:20,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:17:20,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:17:20,977 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-08-29 16:17:21,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:17:21,126 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:17:21,139 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-08-29 16:17:21,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:17:21,217 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:17:21,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21 WrapperNode [2021-08-29 16:17:21,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:17:21,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:17:21,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:17:21,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:17:21,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:17:21,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:17:21,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:17:21,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:17:21,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:17:21,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:17:21,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:17:21,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:17:21,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (1/1) ... [2021-08-29 16:17:21,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:17:21,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:17:21,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 16:17:21,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 16:17:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:17:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:17:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:17:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:17:21,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:17:21,890 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-08-29 16:17:21,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:17:21 BoogieIcfgContainer [2021-08-29 16:17:21,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:17:21,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:17:21,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:17:21,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:17:21,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:17:20" (1/3) ... [2021-08-29 16:17:21,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e48f1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:17:21, skipping insertion in model container [2021-08-29 16:17:21,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:17:21" (2/3) ... [2021-08-29 16:17:21,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e48f1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:17:21, skipping insertion in model container [2021-08-29 16:17:21,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:17:21" (3/3) ... [2021-08-29 16:17:21,898 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-08-29 16:17:21,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:17:21,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:17:21,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:17:21,943 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 16:17:21,943 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:17:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:17:21,962 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:21,962 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:21,963 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:21,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2021-08-29 16:17:21,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:21,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856267441] [2021-08-29 16:17:21,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:21,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:22,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:22,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856267441] [2021-08-29 16:17:22,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856267441] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:22,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:22,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:17:22,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291990126] [2021-08-29 16:17:22,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:17:22,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:22,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:17:22,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:17:22,249 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:22,525 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-08-29 16:17:22,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:17:22,528 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-29 16:17:22,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:22,537 INFO L225 Difference]: With dead ends: 245 [2021-08-29 16:17:22,537 INFO L226 Difference]: Without dead ends: 122 [2021-08-29 16:17:22,540 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:17:22,543 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 187.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 237.49ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:22,543 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 182 Unknown, 0 Unchecked, 1.53ms Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 237.49ms Time] [2021-08-29 16:17:22,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-08-29 16:17:22,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-08-29 16:17:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-08-29 16:17:22,582 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-08-29 16:17:22,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:22,583 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-08-29 16:17:22,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,584 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-08-29 16:17:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-29 16:17:22,586 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:22,586 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:22,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:17:22,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:22,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:22,587 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2021-08-29 16:17:22,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:22,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815510174] [2021-08-29 16:17:22,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:22,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:22,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:22,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815510174] [2021-08-29 16:17:22,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815510174] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:22,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:22,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:17:22,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728347844] [2021-08-29 16:17:22,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:17:22,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:22,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:17:22,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:22,684 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:22,795 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-08-29 16:17:22,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:17:22,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-08-29 16:17:22,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:22,796 INFO L225 Difference]: With dead ends: 122 [2021-08-29 16:17:22,796 INFO L226 Difference]: Without dead ends: 51 [2021-08-29 16:17:22,796 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.96ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:22,797 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 65 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.30ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:22,797 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 0 Invalid, 79 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 103.30ms Time] [2021-08-29 16:17:22,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-08-29 16:17:22,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-08-29 16:17:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-08-29 16:17:22,801 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-08-29 16:17:22,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:22,802 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-08-29 16:17:22,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-08-29 16:17:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:17:22,802 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:22,802 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:22,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:17:22,803 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:22,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:22,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2021-08-29 16:17:22,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:22,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939382889] [2021-08-29 16:17:22,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:22,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:22,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:22,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939382889] [2021-08-29 16:17:22,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939382889] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:22,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:22,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:17:22,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344381666] [2021-08-29 16:17:22,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:17:22,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:22,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:17:22,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:22,864 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:22,981 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-08-29 16:17:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:17:22,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-29 16:17:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:22,982 INFO L225 Difference]: With dead ends: 95 [2021-08-29 16:17:22,982 INFO L226 Difference]: Without dead ends: 51 [2021-08-29 16:17:22,983 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.61ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:17:22,983 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 204 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.29ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:22,984 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 0 Invalid, 78 Unknown, 0 Unchecked, 1.31ms Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 98.29ms Time] [2021-08-29 16:17:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-08-29 16:17:22,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-08-29 16:17:22,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-08-29 16:17:22,987 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-08-29 16:17:22,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:22,988 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-08-29 16:17:22,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-08-29 16:17:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 16:17:22,989 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:22,989 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:22,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:17:22,989 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:22,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:22,990 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2021-08-29 16:17:22,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:22,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451149398] [2021-08-29 16:17:22,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:22,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:23,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:23,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451149398] [2021-08-29 16:17:23,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451149398] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:23,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:23,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:17:23,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855490665] [2021-08-29 16:17:23,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:17:23,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:23,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:17:23,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:23,064 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:23,177 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-08-29 16:17:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:17:23,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-08-29 16:17:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:23,180 INFO L225 Difference]: With dead ends: 119 [2021-08-29 16:17:23,180 INFO L226 Difference]: Without dead ends: 75 [2021-08-29 16:17:23,182 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:23,189 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 36 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.89ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:23,189 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 0 Invalid, 130 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [6 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 102.89ms Time] [2021-08-29 16:17:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-08-29 16:17:23,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-08-29 16:17:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-08-29 16:17:23,194 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-08-29 16:17:23,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:23,194 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-08-29 16:17:23,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-08-29 16:17:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:17:23,195 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:23,195 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:23,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:17:23,195 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:23,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:23,196 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2021-08-29 16:17:23,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:23,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023842538] [2021-08-29 16:17:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:23,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:23,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:23,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023842538] [2021-08-29 16:17:23,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023842538] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:23,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:23,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:17:23,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143072219] [2021-08-29 16:17:23,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:17:23,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:23,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:17:23,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:17:23,266 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:23,446 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-08-29 16:17:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:17:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 16:17:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:23,447 INFO L225 Difference]: With dead ends: 203 [2021-08-29 16:17:23,447 INFO L226 Difference]: Without dead ends: 137 [2021-08-29 16:17:23,448 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:23,448 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 110 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.59ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 163.36ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:23,449 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 0 Invalid, 239 Unknown, 0 Unchecked, 1.59ms Time], IncrementalHoareTripleChecker [3 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 163.36ms Time] [2021-08-29 16:17:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-08-29 16:17:23,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-08-29 16:17:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 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 16:17:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-08-29 16:17:23,455 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-08-29 16:17:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:23,455 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-08-29 16:17:23,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-08-29 16:17:23,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:17:23,456 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:23,457 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:23,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:17:23,457 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2021-08-29 16:17:23,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:23,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081889861] [2021-08-29 16:17:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:23,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:23,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:23,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:23,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081889861] [2021-08-29 16:17:23,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081889861] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:23,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:23,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:17:23,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230581329] [2021-08-29 16:17:23,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:17:23,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:23,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:17:23,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:23,497 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:23,742 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-08-29 16:17:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:17:23,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 16:17:23,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:23,743 INFO L225 Difference]: With dead ends: 202 [2021-08-29 16:17:23,744 INFO L226 Difference]: Without dead ends: 132 [2021-08-29 16:17:23,744 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.34ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:17:23,745 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 138 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 169.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.52ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 218.18ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:23,745 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 0 Invalid, 377 Unknown, 0 Unchecked, 1.52ms Time], IncrementalHoareTripleChecker [6 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 218.18ms Time] [2021-08-29 16:17:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-08-29 16:17:23,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-08-29 16:17:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-08-29 16:17:23,756 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-08-29 16:17:23,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:23,756 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-08-29 16:17:23,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-08-29 16:17:23,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:17:23,757 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:23,757 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:23,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:17:23,757 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:23,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:23,758 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2021-08-29 16:17:23,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:23,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98370486] [2021-08-29 16:17:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:23,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:23,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:23,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98370486] [2021-08-29 16:17:23,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98370486] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:23,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:23,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:17:23,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914810577] [2021-08-29 16:17:23,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:17:23,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:23,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:17:23,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:17:23,826 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:24,116 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-08-29 16:17:24,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:17:24,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 16:17:24,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:24,118 INFO L225 Difference]: With dead ends: 282 [2021-08-29 16:17:24,118 INFO L226 Difference]: Without dead ends: 206 [2021-08-29 16:17:24,118 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 20.93ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:17:24,118 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 170 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.03ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 249.59ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:24,119 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 0 Invalid, 446 Unknown, 0 Unchecked, 2.03ms Time], IncrementalHoareTripleChecker [8 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 249.59ms Time] [2021-08-29 16:17:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-08-29 16:17:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-08-29 16:17:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-08-29 16:17:24,127 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-08-29 16:17:24,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:24,128 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-08-29 16:17:24,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-08-29 16:17:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 16:17:24,132 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:24,132 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:24,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:17:24,132 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:24,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:24,133 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2021-08-29 16:17:24,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:24,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264449268] [2021-08-29 16:17:24,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:24,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:24,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:24,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264449268] [2021-08-29 16:17:24,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264449268] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:24,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:24,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:17:24,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232233183] [2021-08-29 16:17:24,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:17:24,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:24,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:17:24,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:24,171 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:24,287 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-08-29 16:17:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:17:24,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 16:17:24,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:24,288 INFO L225 Difference]: With dead ends: 185 [2021-08-29 16:17:24,288 INFO L226 Difference]: Without dead ends: 110 [2021-08-29 16:17:24,288 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:17:24,288 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.37ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:24,289 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 136 Unknown, 0 Unchecked, 0.31ms Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 106.37ms Time] [2021-08-29 16:17:24,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-08-29 16:17:24,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-08-29 16:17:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.311926605504587) internal successors, (143), 109 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-08-29 16:17:24,296 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-08-29 16:17:24,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:24,296 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-08-29 16:17:24,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-08-29 16:17:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 16:17:24,296 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:24,296 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:24,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:17:24,297 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:24,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2021-08-29 16:17:24,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:24,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224030543] [2021-08-29 16:17:24,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:24,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:24,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:24,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224030543] [2021-08-29 16:17:24,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224030543] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:17:24,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:17:24,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:17:24,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047457319] [2021-08-29 16:17:24,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 16:17:24,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:24,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 16:17:24,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:17:24,366 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:24,826 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-08-29 16:17:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-29 16:17:24,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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 35 [2021-08-29 16:17:24,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:24,827 INFO L225 Difference]: With dead ends: 524 [2021-08-29 16:17:24,827 INFO L226 Difference]: Without dead ends: 449 [2021-08-29 16:17:24,828 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 40.00ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-29 16:17:24,828 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 434 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 303.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.02ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 381.53ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:24,828 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 0 Invalid, 692 Unknown, 0 Unchecked, 3.02ms Time], IncrementalHoareTripleChecker [40 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 381.53ms Time] [2021-08-29 16:17:24,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-08-29 16:17:24,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2021-08-29 16:17:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.306878306878307) internal successors, (247), 189 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2021-08-29 16:17:24,839 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2021-08-29 16:17:24,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:24,840 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2021-08-29 16:17:24,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2021-08-29 16:17:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-08-29 16:17:24,840 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:17:24,840 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:17:24,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:17:24,841 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:17:24,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:17:24,841 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2021-08-29 16:17:24,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:17:24,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852343571] [2021-08-29 16:17:24,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:24,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:17:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:24,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:17:24,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852343571] [2021-08-29 16:17:24,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852343571] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:17:24,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567956448] [2021-08-29 16:17:24,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:17:24,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:17:24,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:17:24,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:17:24,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:17:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:17:25,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-29 16:17:25,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:17:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:25,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:17:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:17:25,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567956448] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:17:25,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:17:25,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2021-08-29 16:17:25,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574549229] [2021-08-29 16:17:25,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-29 16:17:25,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:17:25,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-29 16:17:25,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-29 16:17:25,279 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:25,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:17:25,690 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2021-08-29 16:17:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:17:25,691 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 58 [2021-08-29 16:17:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:17:25,691 INFO L225 Difference]: With dead ends: 434 [2021-08-29 16:17:25,691 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:17:25,691 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 66.43ms TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-08-29 16:17:25,692 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 247 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 280.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 349.01ms IncrementalHoareTripleChecker+Time [2021-08-29 16:17:25,692 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 0 Invalid, 511 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 349.01ms Time] [2021-08-29 16:17:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:17:25,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:17:25,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:17:25,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-08-29 16:17:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:17:25,693 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:17:25,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:17:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:17:25,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:17:25,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:17:25,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:17:25,695 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:17:25,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:17:25,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-29 16:17:25,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:17:25,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:25,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:26,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:17:27,253 INFO L854 garLoopResultBuilder]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:17:27,253 INFO L854 garLoopResultBuilder]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-08-29 16:17:27,253 INFO L854 garLoopResultBuilder]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2021-08-29 16:17:27,253 INFO L854 garLoopResultBuilder]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2021-08-29 16:17:27,253 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L854 garLoopResultBuilder]: At program point L333(lines 284 334) the Hoare annotation is: false [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,254 INFO L858 garLoopResultBuilder]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 123) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2021-08-29 16:17:27,255 INFO L858 garLoopResultBuilder]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2021-08-29 16:17:27,256 INFO L858 garLoopResultBuilder]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2021-08-29 16:17:27,256 INFO L858 garLoopResultBuilder]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2021-08-29 16:17:27,256 INFO L858 garLoopResultBuilder]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2021-08-29 16:17:27,256 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-08-29 16:17:27,256 INFO L854 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-08-29 16:17:27,256 INFO L854 garLoopResultBuilder]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-08-29 16:17:27,256 INFO L854 garLoopResultBuilder]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2021-08-29 16:17:27,256 INFO L854 garLoopResultBuilder]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2021-08-29 16:17:27,256 INFO L854 garLoopResultBuilder]: At program point L240(lines 225 243) the Hoare annotation is: false [2021-08-29 16:17:27,257 INFO L854 garLoopResultBuilder]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2021-08-29 16:17:27,257 INFO L854 garLoopResultBuilder]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2021-08-29 16:17:27,257 INFO L854 garLoopResultBuilder]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2021-08-29 16:17:27,257 INFO L854 garLoopResultBuilder]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2021-08-29 16:17:27,257 INFO L854 garLoopResultBuilder]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2021-08-29 16:17:27,257 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:17:27,257 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-08-29 16:17:27,257 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 118) no Hoare annotation was computed. [2021-08-29 16:17:27,258 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2021-08-29 16:17:27,258 INFO L858 garLoopResultBuilder]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2021-08-29 16:17:27,258 INFO L858 garLoopResultBuilder]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2021-08-29 16:17:27,258 INFO L858 garLoopResultBuilder]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2021-08-29 16:17:27,258 INFO L858 garLoopResultBuilder]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2021-08-29 16:17:27,258 INFO L854 garLoopResultBuilder]: At program point L441(lines 436 444) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-08-29 16:17:27,258 INFO L854 garLoopResultBuilder]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2021-08-29 16:17:27,258 INFO L854 garLoopResultBuilder]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2021-08-29 16:17:27,258 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-29 16:17:27,259 INFO L858 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-29 16:17:27,259 INFO L858 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-29 16:17:27,259 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 856) no Hoare annotation was computed. [2021-08-29 16:17:27,259 INFO L854 garLoopResultBuilder]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse2 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5)))) [2021-08-29 16:17:27,259 INFO L858 garLoopResultBuilder]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2021-08-29 16:17:27,259 INFO L854 garLoopResultBuilder]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2021-08-29 16:17:27,259 INFO L858 garLoopResultBuilder]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2021-08-29 16:17:27,259 INFO L854 garLoopResultBuilder]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2021-08-29 16:17:27,260 INFO L854 garLoopResultBuilder]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-08-29 16:17:27,260 INFO L854 garLoopResultBuilder]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2021-08-29 16:17:27,260 INFO L854 garLoopResultBuilder]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2021-08-29 16:17:27,260 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 853) no Hoare annotation was computed. [2021-08-29 16:17:27,260 INFO L858 garLoopResultBuilder]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2021-08-29 16:17:27,260 INFO L858 garLoopResultBuilder]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2021-08-29 16:17:27,260 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 328) no Hoare annotation was computed. [2021-08-29 16:17:27,260 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-08-29 16:17:27,260 INFO L854 garLoopResultBuilder]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2021-08-29 16:17:27,260 INFO L858 garLoopResultBuilder]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L858 garLoopResultBuilder]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L858 garLoopResultBuilder]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L858 garLoopResultBuilder]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L858 garLoopResultBuilder]: For program point L911(line 911) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:17:27,261 INFO L854 garLoopResultBuilder]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse7 (<= ~waterLevel~0 1))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse0 .cse7 .cse2 .cse3 .cse6 .cse4)))) [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L185-1(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse2 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5)))) [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-08-29 16:17:27,262 INFO L854 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-08-29 16:17:27,262 INFO L858 garLoopResultBuilder]: For program point L286(lines 285 332) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2021-08-29 16:17:27,263 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-08-29 16:17:27,264 INFO L858 garLoopResultBuilder]: For program point L982(lines 982 989) no Hoare annotation was computed. [2021-08-29 16:17:27,264 INFO L861 garLoopResultBuilder]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2021-08-29 16:17:27,264 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:17:27,264 INFO L854 garLoopResultBuilder]: At program point L818(lines 813 820) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:17:27,264 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-08-29 16:17:27,264 INFO L854 garLoopResultBuilder]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-08-29 16:17:27,264 INFO L854 garLoopResultBuilder]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:17:27,264 INFO L854 garLoopResultBuilder]: At program point L259(lines 244 262) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-08-29 16:17:27,264 INFO L854 garLoopResultBuilder]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2021-08-29 16:17:27,265 INFO L854 garLoopResultBuilder]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-08-29 16:17:27,265 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-08-29 16:17:27,266 INFO L854 garLoopResultBuilder]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-08-29 16:17:27,266 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:17:27,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:17:27,266 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 149) no Hoare annotation was computed. [2021-08-29 16:17:27,266 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2021-08-29 16:17:27,266 INFO L858 garLoopResultBuilder]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2021-08-29 16:17:27,266 INFO L861 garLoopResultBuilder]: At program point L991(lines 972 994) the Hoare annotation is: true [2021-08-29 16:17:27,266 INFO L854 garLoopResultBuilder]: At program point L958(lines 954 960) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:17:27,267 INFO L854 garLoopResultBuilder]: At program point L431(lines 422 435) the Hoare annotation is: false [2021-08-29 16:17:27,267 INFO L854 garLoopResultBuilder]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4))) [2021-08-29 16:17:27,267 INFO L854 garLoopResultBuilder]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2021-08-29 16:17:27,267 INFO L854 garLoopResultBuilder]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2021-08-29 16:17:27,267 INFO L854 garLoopResultBuilder]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2021-08-29 16:17:27,267 INFO L854 garLoopResultBuilder]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2021-08-29 16:17:27,271 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:17:27,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:17:27 BoogieIcfgContainer [2021-08-29 16:17:27,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:17:27,291 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:17:27,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:17:27,292 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:17:27,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:17:21" (3/4) ... [2021-08-29 16:17:27,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:17:27,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:17:27,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:17:27,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:17:27,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:17:27,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:17:27,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:17:27,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:17:27,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:17:27,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:17:27,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-29 16:17:27,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,325 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) [2021-08-29 16:17:27,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-08-29 16:17:27,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:17:27,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-29 16:17:27,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-08-29 16:17:27,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-08-29 16:17:27,352 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:17:27,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:17:27,352 INFO L158 Benchmark]: Toolchain (without parser) took 6504.07ms. Allocated memory was 67.1MB in the beginning and 169.9MB in the end (delta: 102.8MB). Free memory was 47.0MB in the beginning and 66.1MB in the end (delta: -19.1MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,353 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:17:27,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.85ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 42.5MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.70ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 38.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,353 INFO L158 Benchmark]: Boogie Preprocessor took 50.68ms. Allocated memory is still 67.1MB. Free memory was 38.4MB in the beginning and 35.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,353 INFO L158 Benchmark]: RCFGBuilder took 541.68ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 35.7MB in the beginning and 63.2MB in the end (delta: -27.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,354 INFO L158 Benchmark]: TraceAbstraction took 5397.67ms. Allocated memory was 88.1MB in the beginning and 169.9MB in the end (delta: 81.8MB). Free memory was 62.7MB in the beginning and 76.6MB in the end (delta: -13.9MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,354 INFO L158 Benchmark]: Witness Printer took 60.77ms. Allocated memory is still 169.9MB. Free memory was 76.6MB in the beginning and 66.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 16:17:27,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.85ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 42.5MB in the end (delta: 4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.70ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 38.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.68ms. Allocated memory is still 67.1MB. Free memory was 38.4MB in the beginning and 35.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.68ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 35.7MB in the beginning and 63.2MB in the end (delta: -27.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5397.67ms. Allocated memory was 88.1MB in the beginning and 169.9MB in the end (delta: 81.8MB). Free memory was 62.7MB in the beginning and 76.6MB in the end (delta: -13.9MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. * Witness Printer took 60.77ms. Allocated memory is still 169.9MB. Free memory was 76.6MB in the beginning and 66.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5333.88ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 17.88ms, AutomataDifference: 2399.29ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 1339.37ms, InitialAbstractionConstructionTime: 9.16ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1423 SdHoareTripleChecker+Valid, 2010.01ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1423 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1569.76ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1486 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2799 IncrementalHoareTripleChecker+Invalid, 2870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 0 mSDtfsCounter, 2799 mSolverCounterSat, 14.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 171.48ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 82.84ms AutomataMinimizationTime, 10 MinimizatonAttempts, 494 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 953 HoareAnnotationTreeSize, 50 FomulaSimplifications, 58231 FormulaSimplificationTreeSizeReduction, 254.81ms HoareSimplificationTime, 50 FomulaSimplificationsInter, 7249 FormulaSimplificationTreeSizeReductionInter, 1073.34ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 49.38ms SsaConstructionTime, 300.68ms SatisfiabilityAnalysisTime, 708.11ms InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 39/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:17:27,394 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...