./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer --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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:21:10,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:21:10,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:21:10,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:21:10,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:21:10,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:21:10,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:21:10,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:21:10,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:21:10,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:21:10,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:21:10,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:21:10,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:21:10,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:21:10,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:21:10,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:21:10,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:21:10,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:21:10,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:21:10,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:21:10,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:21:10,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:21:10,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:21:10,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:21:10,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:21:10,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:21:10,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:21:10,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:21:10,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:21:10,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:21:10,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:21:10,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:21:10,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:21:10,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:21:10,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:21:10,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:21:10,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:21:10,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:21:10,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:21:10,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:21:10,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:21:10,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:21:10,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:21:10,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:21:10,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:21:10,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:21:10,253 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:21:10,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:21:10,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:21:10,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:21:10,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:21:10,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:21:10,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:21:10,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:21:10,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:21:10,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:21:10,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:21:10,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:21:10,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:21:10,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:21:10,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:21:10,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:21:10,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:21:10,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:21:10,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:21:10,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:21:10,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:21:10,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:21:10,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:21:10,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:21:10,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:21:10,260 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:/tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2020-11-29 19:21:10,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:21:10,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:21:10,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:21:10,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:21:10,599 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:21:10,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2020-11-29 19:21:10,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/data/c3fedbd9a/c4c16f18ccd6401e90db8b9375a575e6/FLAG6a0b92b9c [2020-11-29 19:21:11,241 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:21:11,241 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2020-11-29 19:21:11,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/data/c3fedbd9a/c4c16f18ccd6401e90db8b9375a575e6/FLAG6a0b92b9c [2020-11-29 19:21:11,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/data/c3fedbd9a/c4c16f18ccd6401e90db8b9375a575e6 [2020-11-29 19:21:11,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:21:11,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:21:11,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:11,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:21:11,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:21:11,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:11" (1/1) ... [2020-11-29 19:21:11,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e22a269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:11, skipping insertion in model container [2020-11-29 19:21:11,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:11" (1/1) ... [2020-11-29 19:21:11,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:21:11,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:21:11,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:11,943 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:21:12,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:12,098 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:21:12,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12 WrapperNode [2020-11-29 19:21:12,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:12,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:12,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:21:12,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:21:12,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:12,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:21:12,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:21:12,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:21:12,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... [2020-11-29 19:21:12,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:21:12,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:21:12,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:21:12,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:21:12,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:21:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:21:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:21:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:21:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:21:13,425 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:21:13,425 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-11-29 19:21:13,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:13 BoogieIcfgContainer [2020-11-29 19:21:13,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:21:13,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:21:13,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:21:13,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:21:13,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:21:11" (1/3) ... [2020-11-29 19:21:13,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db695f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:13, skipping insertion in model container [2020-11-29 19:21:13,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:12" (2/3) ... [2020-11-29 19:21:13,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db695f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:13, skipping insertion in model container [2020-11-29 19:21:13,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:13" (3/3) ... [2020-11-29 19:21:13,435 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-11-29 19:21:13,450 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:21:13,455 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:21:13,468 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:21:13,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:21:13,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:21:13,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:21:13,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:21:13,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:21:13,504 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:21:13,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:21:13,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:21:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-11-29 19:21:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:21:13,537 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:13,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:13,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:13,542 INFO L82 PathProgramCache]: Analyzing trace with hash 324933412, now seen corresponding path program 1 times [2020-11-29 19:21:13,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:13,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885300508] [2020-11-29 19:21:13,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:13,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885300508] [2020-11-29 19:21:13,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:13,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:13,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486574850] [2020-11-29 19:21:13,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:21:13,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:13,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:21:13,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:21:13,819 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-11-29 19:21:13,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:13,878 INFO L93 Difference]: Finished difference Result 266 states and 399 transitions. [2020-11-29 19:21:13,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:21:13,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 19:21:13,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:13,898 INFO L225 Difference]: With dead ends: 266 [2020-11-29 19:21:13,898 INFO L226 Difference]: Without dead ends: 131 [2020-11-29 19:21:13,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:21:13,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-29 19:21:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-11-29 19:21:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-11-29 19:21:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2020-11-29 19:21:13,959 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2020-11-29 19:21:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:13,960 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2020-11-29 19:21:13,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:21:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2020-11-29 19:21:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:21:13,961 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:13,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:13,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:21:13,962 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash 106097443, now seen corresponding path program 1 times [2020-11-29 19:21:13,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:13,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097038468] [2020-11-29 19:21:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:14,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097038468] [2020-11-29 19:21:14,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:14,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:14,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887725308] [2020-11-29 19:21:14,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:14,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:14,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:14,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:14,129 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2020-11-29 19:21:14,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:14,140 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2020-11-29 19:21:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:14,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 19:21:14,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:14,141 INFO L225 Difference]: With dead ends: 131 [2020-11-29 19:21:14,141 INFO L226 Difference]: Without dead ends: 55 [2020-11-29 19:21:14,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-29 19:21:14,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-29 19:21:14,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-29 19:21:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-11-29 19:21:14,149 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-11-29 19:21:14,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:14,150 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-11-29 19:21:14,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-11-29 19:21:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:21:14,151 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:14,151 INFO L422 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] [2020-11-29 19:21:14,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:21:14,151 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:14,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:14,152 INFO L82 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2020-11-29 19:21:14,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:14,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382452522] [2020-11-29 19:21:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:14,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382452522] [2020-11-29 19:21:14,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:14,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:14,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447041098] [2020-11-29 19:21:14,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:14,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:14,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:14,284 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2020-11-29 19:21:14,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:14,305 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-11-29 19:21:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:14,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:21:14,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:14,312 INFO L225 Difference]: With dead ends: 151 [2020-11-29 19:21:14,313 INFO L226 Difference]: Without dead ends: 103 [2020-11-29 19:21:14,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:14,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-11-29 19:21:14,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-11-29 19:21:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-11-29 19:21:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2020-11-29 19:21:14,337 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2020-11-29 19:21:14,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:14,338 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2020-11-29 19:21:14,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2020-11-29 19:21:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 19:21:14,341 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:14,341 INFO L422 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] [2020-11-29 19:21:14,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:21:14,342 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:14,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2020-11-29 19:21:14,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:14,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509909368] [2020-11-29 19:21:14,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:14,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509909368] [2020-11-29 19:21:14,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:14,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:14,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876283161] [2020-11-29 19:21:14,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:14,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:14,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:14,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:14,446 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2020-11-29 19:21:14,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:14,534 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2020-11-29 19:21:14,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:14,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-29 19:21:14,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:14,536 INFO L225 Difference]: With dead ends: 234 [2020-11-29 19:21:14,536 INFO L226 Difference]: Without dead ends: 142 [2020-11-29 19:21:14,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:14,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-29 19:21:14,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2020-11-29 19:21:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-11-29 19:21:14,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2020-11-29 19:21:14,550 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2020-11-29 19:21:14,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:14,551 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2020-11-29 19:21:14,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:14,551 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2020-11-29 19:21:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 19:21:14,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:14,552 INFO L422 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] [2020-11-29 19:21:14,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:21:14,552 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:14,553 INFO L82 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2020-11-29 19:21:14,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:14,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803203590] [2020-11-29 19:21:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:14,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803203590] [2020-11-29 19:21:14,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:14,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:21:14,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203469782] [2020-11-29 19:21:14,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:21:14,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:14,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:21:14,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:14,650 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2020-11-29 19:21:14,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:14,820 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2020-11-29 19:21:14,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:21:14,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-29 19:21:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:14,824 INFO L225 Difference]: With dead ends: 685 [2020-11-29 19:21:14,824 INFO L226 Difference]: Without dead ends: 552 [2020-11-29 19:21:14,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:21:14,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-11-29 19:21:14,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2020-11-29 19:21:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-11-29 19:21:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2020-11-29 19:21:14,888 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2020-11-29 19:21:14,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:14,888 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2020-11-29 19:21:14,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:21:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2020-11-29 19:21:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 19:21:14,892 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:14,892 INFO L422 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] [2020-11-29 19:21:14,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:21:14,893 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:14,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:14,893 INFO L82 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2020-11-29 19:21:14,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:14,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733302037] [2020-11-29 19:21:14,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:14,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733302037] [2020-11-29 19:21:14,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:14,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:21:14,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441726128] [2020-11-29 19:21:14,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:21:14,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:14,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:21:14,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:14,993 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2020-11-29 19:21:15,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:15,191 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2020-11-29 19:21:15,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 19:21:15,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-29 19:21:15,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:15,196 INFO L225 Difference]: With dead ends: 997 [2020-11-29 19:21:15,196 INFO L226 Difference]: Without dead ends: 745 [2020-11-29 19:21:15,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 19:21:15,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-11-29 19:21:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2020-11-29 19:21:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-11-29 19:21:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2020-11-29 19:21:15,232 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2020-11-29 19:21:15,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:15,235 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2020-11-29 19:21:15,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:21:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2020-11-29 19:21:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:21:15,242 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:15,242 INFO L422 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, 1] [2020-11-29 19:21:15,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:21:15,244 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2020-11-29 19:21:15,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:15,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974389915] [2020-11-29 19:21:15,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:15,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974389915] [2020-11-29 19:21:15,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:15,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:21:15,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847349981] [2020-11-29 19:21:15,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:21:15,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:15,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:21:15,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:15,325 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2020-11-29 19:21:15,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:15,421 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2020-11-29 19:21:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:21:15,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-29 19:21:15,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:15,424 INFO L225 Difference]: With dead ends: 687 [2020-11-29 19:21:15,424 INFO L226 Difference]: Without dead ends: 437 [2020-11-29 19:21:15,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 19:21:15,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-11-29 19:21:15,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2020-11-29 19:21:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-29 19:21:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2020-11-29 19:21:15,446 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2020-11-29 19:21:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:15,446 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2020-11-29 19:21:15,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:21:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2020-11-29 19:21:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:21:15,447 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:15,447 INFO L422 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, 1] [2020-11-29 19:21:15,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:21:15,448 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:15,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:15,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2020-11-29 19:21:15,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:15,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11997295] [2020-11-29 19:21:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:15,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11997295] [2020-11-29 19:21:15,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:15,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:21:15,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097666678] [2020-11-29 19:21:15,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:15,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:15,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:15,515 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 4 states. [2020-11-29 19:21:15,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:15,581 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2020-11-29 19:21:15,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:15,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-11-29 19:21:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:15,584 INFO L225 Difference]: With dead ends: 675 [2020-11-29 19:21:15,585 INFO L226 Difference]: Without dead ends: 401 [2020-11-29 19:21:15,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:15,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-11-29 19:21:15,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 297. [2020-11-29 19:21:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-11-29 19:21:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2020-11-29 19:21:15,614 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2020-11-29 19:21:15,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:15,615 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2020-11-29 19:21:15,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:21:15,615 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2020-11-29 19:21:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 19:21:15,616 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:15,616 INFO L422 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, 1] [2020-11-29 19:21:15,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:21:15,617 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:15,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:15,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2020-11-29 19:21:15,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:15,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696012349] [2020-11-29 19:21:15,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:15,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696012349] [2020-11-29 19:21:15,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:15,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:15,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502533182] [2020-11-29 19:21:15,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:15,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:15,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:15,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:15,678 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2020-11-29 19:21:15,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:15,731 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2020-11-29 19:21:15,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:15,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-29 19:21:15,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:15,734 INFO L225 Difference]: With dead ends: 691 [2020-11-29 19:21:15,734 INFO L226 Difference]: Without dead ends: 401 [2020-11-29 19:21:15,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:15,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-11-29 19:21:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2020-11-29 19:21:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-11-29 19:21:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2020-11-29 19:21:15,777 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2020-11-29 19:21:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:15,778 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2020-11-29 19:21:15,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2020-11-29 19:21:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 19:21:15,780 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:15,780 INFO L422 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, 1, 1] [2020-11-29 19:21:15,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:21:15,781 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:15,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:15,781 INFO L82 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2020-11-29 19:21:15,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:15,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590616415] [2020-11-29 19:21:15,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:15,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590616415] [2020-11-29 19:21:15,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:15,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 19:21:15,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893969444] [2020-11-29 19:21:15,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:21:15,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:15,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:21:15,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:21:15,864 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2020-11-29 19:21:16,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:16,220 INFO L93 Difference]: Finished difference Result 1436 states and 1911 transitions. [2020-11-29 19:21:16,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 19:21:16,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-29 19:21:16,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:16,226 INFO L225 Difference]: With dead ends: 1436 [2020-11-29 19:21:16,226 INFO L226 Difference]: Without dead ends: 1042 [2020-11-29 19:21:16,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-11-29 19:21:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-11-29 19:21:16,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 401. [2020-11-29 19:21:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-11-29 19:21:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2020-11-29 19:21:16,268 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2020-11-29 19:21:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:16,268 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2020-11-29 19:21:16,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:21:16,268 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2020-11-29 19:21:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 19:21:16,269 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:16,270 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:16,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:21:16,270 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:16,270 INFO L82 PathProgramCache]: Analyzing trace with hash -12405126, now seen corresponding path program 1 times [2020-11-29 19:21:16,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:16,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859410250] [2020-11-29 19:21:16,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:21:16,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859410250] [2020-11-29 19:21:16,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:16,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:16,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336579862] [2020-11-29 19:21:16,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:16,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:16,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:16,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:16,315 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2020-11-29 19:21:16,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:16,397 INFO L93 Difference]: Finished difference Result 489 states and 635 transitions. [2020-11-29 19:21:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:16,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-11-29 19:21:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:16,400 INFO L225 Difference]: With dead ends: 489 [2020-11-29 19:21:16,400 INFO L226 Difference]: Without dead ends: 200 [2020-11-29 19:21:16,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-11-29 19:21:16,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-11-29 19:21:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-11-29 19:21:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 250 transitions. [2020-11-29 19:21:16,421 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 250 transitions. Word has length 54 [2020-11-29 19:21:16,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:16,421 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 250 transitions. [2020-11-29 19:21:16,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 250 transitions. [2020-11-29 19:21:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 19:21:16,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:16,422 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-11-29 19:21:16,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:21:16,423 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:16,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:16,423 INFO L82 PathProgramCache]: Analyzing trace with hash -982052481, now seen corresponding path program 1 times [2020-11-29 19:21:16,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:16,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261244716] [2020-11-29 19:21:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:16,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261244716] [2020-11-29 19:21:16,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383896505] [2020-11-29 19:21:16,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:21:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:16,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:21:16,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:16,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:16,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-11-29 19:21:16,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046802637] [2020-11-29 19:21:16,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:16,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:16,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:16,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:21:16,767 INFO L87 Difference]: Start difference. First operand 200 states and 250 transitions. Second operand 3 states. [2020-11-29 19:21:16,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:16,839 INFO L93 Difference]: Finished difference Result 311 states and 393 transitions. [2020-11-29 19:21:16,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:16,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-11-29 19:21:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:16,842 INFO L225 Difference]: With dead ends: 311 [2020-11-29 19:21:16,842 INFO L226 Difference]: Without dead ends: 309 [2020-11-29 19:21:16,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:21:16,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-11-29 19:21:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 224. [2020-11-29 19:21:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-11-29 19:21:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 285 transitions. [2020-11-29 19:21:16,866 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 285 transitions. Word has length 56 [2020-11-29 19:21:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:16,866 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 285 transitions. [2020-11-29 19:21:16,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2020-11-29 19:21:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-29 19:21:16,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:16,868 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 19:21:17,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 19:21:17,082 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:17,083 INFO L82 PathProgramCache]: Analyzing trace with hash 744916801, now seen corresponding path program 1 times [2020-11-29 19:21:17,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:17,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034106310] [2020-11-29 19:21:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:21:17,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034106310] [2020-11-29 19:21:17,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567659175] [2020-11-29 19:21:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:21:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:17,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 19:21:17,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:21:17,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:17,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2020-11-29 19:21:17,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627891274] [2020-11-29 19:21:17,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:21:17,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:17,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:21:17,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-11-29 19:21:17,505 INFO L87 Difference]: Start difference. First operand 224 states and 285 transitions. Second operand 6 states. [2020-11-29 19:21:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:17,824 INFO L93 Difference]: Finished difference Result 523 states and 657 transitions. [2020-11-29 19:21:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 19:21:17,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-11-29 19:21:17,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:17,825 INFO L225 Difference]: With dead ends: 523 [2020-11-29 19:21:17,825 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:21:17,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-11-29 19:21:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:21:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:21:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:21:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:21:17,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-11-29 19:21:17,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:17,828 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:21:17,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:21:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:21:17,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:21:18,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 19:21:18,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:21:18,266 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 104 [2020-11-29 19:21:18,565 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 129 [2020-11-29 19:21:18,762 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 105 [2020-11-29 19:21:19,057 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 144 [2020-11-29 19:21:19,350 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 110 [2020-11-29 19:21:19,769 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2020-11-29 19:21:20,189 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 23 [2020-11-29 19:21:20,914 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2020-11-29 19:21:21,620 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2020-11-29 19:21:22,430 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2020-11-29 19:21:22,561 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 19 [2020-11-29 19:21:22,960 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2020-11-29 19:21:23,248 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 24 [2020-11-29 19:21:23,549 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 24 [2020-11-29 19:21:23,768 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 13 [2020-11-29 19:21:24,113 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2020-11-29 19:21:24,584 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 14 [2020-11-29 19:21:24,596 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:21:24,596 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 19:21:24,596 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 19:21:24,596 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 19:21:24,596 INFO L274 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2020-11-29 19:21:24,596 INFO L270 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse2 .cse9 .cse3 .cse4) (and .cse5 .cse8 .cse3 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse9 .cse4 .cse6))) [2020-11-29 19:21:24,596 INFO L274 CegarLoopResult]: For program point L764(lines 764 781) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L764-1(lines 764 781) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L270 CegarLoopResult]: At program point L897-1(lines 897 903) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L800-6(lines 800 806) no Hoare annotation was computed. [2020-11-29 19:21:24,597 INFO L274 CegarLoopResult]: For program point L800-8(lines 800 806) no Hoare annotation was computed. [2020-11-29 19:21:24,598 INFO L274 CegarLoopResult]: For program point L800-10(lines 800 806) no Hoare annotation was computed. [2020-11-29 19:21:24,598 INFO L270 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4))) [2020-11-29 19:21:24,598 INFO L270 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2020-11-29 19:21:24,598 INFO L274 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-11-29 19:21:24,598 INFO L270 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2020-11-29 19:21:24,598 INFO L274 CegarLoopResult]: For program point L768-1(lines 768 776) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L270 CegarLoopResult]: At program point L967(lines 918 968) the Hoare annotation is: false [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L270 CegarLoopResult]: At program point L76(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L738(lines 738 755) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L738-1(lines 738 755) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L738-2(lines 738 755) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L738-3(lines 738 755) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L738-4(lines 738 755) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L738-5(lines 738 755) no Hoare annotation was computed. [2020-11-29 19:21:24,599 INFO L274 CegarLoopResult]: For program point L474(lines 474 491) no Hoare annotation was computed. [2020-11-29 19:21:24,600 INFO L270 CegarLoopResult]: At program point L474-1(lines 1 974) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse2 .cse9 .cse3 .cse4) (and .cse5 .cse8 .cse3 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse9 .cse4 .cse6))) [2020-11-29 19:21:24,600 INFO L274 CegarLoopResult]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2020-11-29 19:21:24,600 INFO L270 CegarLoopResult]: At program point L474-3(lines 1 974) the Hoare annotation is: false [2020-11-29 19:21:24,600 INFO L274 CegarLoopResult]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2020-11-29 19:21:24,600 INFO L270 CegarLoopResult]: At program point L474-5(lines 1 974) the Hoare annotation is: false [2020-11-29 19:21:24,600 INFO L270 CegarLoopResult]: At program point L706(lines 705 724) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-29 19:21:24,600 INFO L274 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-11-29 19:21:24,600 INFO L270 CegarLoopResult]: At program point L706-2(lines 705 724) the Hoare annotation is: false [2020-11-29 19:21:24,601 INFO L270 CegarLoopResult]: At program point L706-3(lines 705 724) the Hoare annotation is: false [2020-11-29 19:21:24,601 INFO L270 CegarLoopResult]: At program point L508-2(lines 508 522) the Hoare annotation is: false [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L608-3(lines 608 612) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L608-6(lines 608 612) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L274 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2020-11-29 19:21:24,601 INFO L270 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse4 .cse5 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L742(lines 742 750) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L742-1(lines 742 750) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L742-2(lines 742 750) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L742-3(lines 742 750) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L742-4(lines 742 750) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L742-5(lines 742 750) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2020-11-29 19:21:24,602 INFO L274 CegarLoopResult]: For program point L512-1(lines 706 712) no Hoare annotation was computed. [2020-11-29 19:21:24,603 INFO L274 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2020-11-29 19:21:24,603 INFO L274 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2020-11-29 19:21:24,603 INFO L270 CegarLoopResult]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-29 19:21:24,603 INFO L270 CegarLoopResult]: At program point L645-1(lines 640 648) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:21:24,603 INFO L270 CegarLoopResult]: At program point L645-2(lines 640 648) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-11-29 19:21:24,603 INFO L270 CegarLoopResult]: At program point L645-3(lines 640 648) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse4))) [2020-11-29 19:21:24,603 INFO L270 CegarLoopResult]: At program point L645-4(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,603 INFO L270 CegarLoopResult]: At program point L645-5(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,604 INFO L270 CegarLoopResult]: At program point L645-6(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,604 INFO L270 CegarLoopResult]: At program point L645-7(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,604 INFO L270 CegarLoopResult]: At program point L645-8(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,604 INFO L270 CegarLoopResult]: At program point L645-9(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,605 INFO L270 CegarLoopResult]: At program point L645-10(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,605 INFO L270 CegarLoopResult]: At program point L645-11(lines 640 648) the Hoare annotation is: false [2020-11-29 19:21:24,606 INFO L270 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:21:24,606 INFO L270 CegarLoopResult]: At program point L713(lines 713 719) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-11-29 19:21:24,606 INFO L270 CegarLoopResult]: At program point L713-1(lines 713 719) the Hoare annotation is: false [2020-11-29 19:21:24,606 INFO L270 CegarLoopResult]: At program point L713-2(lines 713 719) the Hoare annotation is: false [2020-11-29 19:21:24,606 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:21:24,606 INFO L274 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2020-11-29 19:21:24,606 INFO L277 CegarLoopResult]: At program point L584-1(lines 584 591) the Hoare annotation is: true [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L949(lines 949 962) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,607 INFO L274 CegarLoopResult]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L685-3(lines 685 691) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,608 INFO L274 CegarLoopResult]: For program point L685-5(lines 685 691) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:21:24,609 INFO L274 CegarLoopResult]: For program point L920(lines 919 966) no Hoare annotation was computed. [2020-11-29 19:21:24,610 INFO L274 CegarLoopResult]: For program point L921(lines 921 925) no Hoare annotation was computed. [2020-11-29 19:21:24,610 INFO L270 CegarLoopResult]: At program point L690(lines 681 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:21:24,610 INFO L270 CegarLoopResult]: At program point L690-1(lines 681 694) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-11-29 19:21:24,610 INFO L270 CegarLoopResult]: At program point L690-2(lines 681 694) the Hoare annotation is: false [2020-11-29 19:21:24,610 INFO L270 CegarLoopResult]: At program point L690-3(lines 681 694) the Hoare annotation is: false [2020-11-29 19:21:24,610 INFO L270 CegarLoopResult]: At program point L690-4(lines 681 694) the Hoare annotation is: false [2020-11-29 19:21:24,610 INFO L270 CegarLoopResult]: At program point L690-5(lines 681 694) the Hoare annotation is: false [2020-11-29 19:21:24,611 INFO L274 CegarLoopResult]: For program point L955(lines 955 961) no Hoare annotation was computed. [2020-11-29 19:21:24,611 INFO L270 CegarLoopResult]: At program point L955-1(lines 706 712) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse4 .cse5 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-29 19:21:24,611 INFO L270 CegarLoopResult]: At program point L889(lines 874 892) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:21:24,611 INFO L270 CegarLoopResult]: At program point L889-1(lines 874 892) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-11-29 19:21:24,611 INFO L270 CegarLoopResult]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2020-11-29 19:21:24,611 INFO L270 CegarLoopResult]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2020-11-29 19:21:24,612 INFO L270 CegarLoopResult]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2020-11-29 19:21:24,612 INFO L270 CegarLoopResult]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2020-11-29 19:21:24,612 INFO L270 CegarLoopResult]: At program point L559(lines 555 561) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:21:24,612 INFO L277 CegarLoopResult]: At program point L593(lines 574 596) the Hoare annotation is: true [2020-11-29 19:21:24,612 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:21:24,612 INFO L270 CegarLoopResult]: At program point L825(lines 818 828) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-29 19:21:24,612 INFO L270 CegarLoopResult]: At program point L825-1(lines 818 828) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 19:21:24,613 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 19:21:24,613 INFO L270 CegarLoopResult]: At program point L825-2(lines 818 828) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2020-11-29 19:21:24,613 INFO L270 CegarLoopResult]: At program point L825-3(lines 818 828) the Hoare annotation is: false [2020-11-29 19:21:24,613 INFO L270 CegarLoopResult]: At program point L825-4(lines 818 828) the Hoare annotation is: false [2020-11-29 19:21:24,613 INFO L270 CegarLoopResult]: At program point L825-5(lines 818 828) the Hoare annotation is: false [2020-11-29 19:21:24,613 INFO L270 CegarLoopResult]: At program point L825-6(lines 818 828) the Hoare annotation is: false [2020-11-29 19:21:24,613 INFO L270 CegarLoopResult]: At program point L825-7(lines 818 828) the Hoare annotation is: false [2020-11-29 19:21:24,614 INFO L270 CegarLoopResult]: At program point L825-8(lines 818 828) the Hoare annotation is: false [2020-11-29 19:21:24,614 INFO L270 CegarLoopResult]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 19:21:24,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:21:24 BoogieIcfgContainer [2020-11-29 19:21:24,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:21:24,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:21:24,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:21:24,653 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:21:24,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:13" (3/4) ... [2020-11-29 19:21:24,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:21:24,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 19:21:24,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:21:24,680 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 19:21:24,681 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 19:21:24,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:21:24,683 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:21:24,685 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:21:24,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-29 19:21:24,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-29 19:21:24,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,712 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,712 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,713 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 19:21:24,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 19:21:24,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 19:21:24,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 19:21:24,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 19:21:24,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4edbe3c4-42e7-42bc-a8fe-144248a7c8df/bin/uautomizer/witness.graphml [2020-11-29 19:21:24,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:21:24,788 INFO L168 Benchmark]: Toolchain (without parser) took 13225.69 ms. Allocated memory was 86.0 MB in the beginning and 232.8 MB in the end (delta: 146.8 MB). Free memory was 51.8 MB in the beginning and 159.0 MB in the end (delta: -107.2 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,789 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 86.0 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:21:24,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 534.35 ms. Allocated memory is still 86.0 MB. Free memory was 51.6 MB in the beginning and 51.9 MB in the end (delta: -339.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.76 ms. Allocated memory is still 86.0 MB. Free memory was 51.9 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,790 INFO L168 Benchmark]: Boogie Preprocessor took 51.30 ms. Allocated memory is still 86.0 MB. Free memory was 47.7 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,790 INFO L168 Benchmark]: RCFGBuilder took 1173.87 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 44.7 MB in the beginning and 63.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,791 INFO L168 Benchmark]: TraceAbstraction took 11223.62 ms. Allocated memory was 109.1 MB in the beginning and 232.8 MB in the end (delta: 123.7 MB). Free memory was 63.6 MB in the beginning and 171.6 MB in the end (delta: -108.0 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,791 INFO L168 Benchmark]: Witness Printer took 135.07 ms. Allocated memory is still 232.8 MB. Free memory was 171.6 MB in the beginning and 159.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:24,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 86.0 MB. Free memory was 58.5 MB in the beginning and 58.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 534.35 ms. Allocated memory is still 86.0 MB. Free memory was 51.6 MB in the beginning and 51.9 MB in the end (delta: -339.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.76 ms. Allocated memory is still 86.0 MB. Free memory was 51.9 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.30 ms. Allocated memory is still 86.0 MB. Free memory was 47.7 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1173.87 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 44.7 MB in the beginning and 63.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11223.62 ms. Allocated memory was 109.1 MB in the beginning and 232.8 MB in the end (delta: 123.7 MB). Free memory was 63.6 MB in the beginning and 171.6 MB in the end (delta: -108.0 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. * Witness Printer took 135.07 ms. Allocated memory is still 232.8 MB. Free memory was 171.6 MB in the beginning and 159.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1486 SDtfs, 1680 SDslu, 2443 SDs, 0 SdLazy, 362 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1773 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 241 NumberOfFragments, 879 HoareAnnotationTreeSize, 57 FomulaSimplifications, 650611 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 57 FomulaSimplificationsInter, 86266 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 48072 SizeOfPredicates, 6 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 121/141 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...