./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.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_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/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 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:00:13,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:00:13,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:00:13,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:00:13,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:00:13,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:00:13,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:00:13,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:00:13,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:00:13,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:00:13,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:00:13,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:00:13,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:00:13,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:00:13,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:00:13,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:00:13,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:00:13,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:00:13,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:00:13,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:00:13,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:00:13,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:00:13,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:00:13,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:00:13,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:00:13,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:00:13,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:00:13,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:00:13,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:00:13,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:00:13,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:00:13,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:00:13,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:00:13,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:00:13,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:00:13,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:00:13,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:00:13,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:00:13,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:00:13,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:00:13,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:00:13,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:00:13,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:00:13,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:00:13,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:00:13,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:00:13,285 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:00:13,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:00:13,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:00:13,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:00:13,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:00:13,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:00:13,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:00:13,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:00:13,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:00:13,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:00:13,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:00:13,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:00:13,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:00:13,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:00:13,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:00:13,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:00:13,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:00:13,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:00:13,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:00:13,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:00:13,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:00:13,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:00:13,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:00:13,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:00:13,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:00:13,293 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_e88d62f7-afcc-410e-929a-df17d642ab74/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82c519f2bf81e68e983e1c89de9d6abbdaa163d4 [2020-11-30 00:00:13,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:00:13,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:00:13,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:00:13,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:00:13,631 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:00:13,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2020-11-30 00:00:13,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/data/27a9cf9b4/b352db906cec4f91b7b69cd90464f8cc/FLAG37e29f7a4 [2020-11-30 00:00:14,283 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:00:14,284 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2020-11-30 00:00:14,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/data/27a9cf9b4/b352db906cec4f91b7b69cd90464f8cc/FLAG37e29f7a4 [2020-11-30 00:00:14,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/data/27a9cf9b4/b352db906cec4f91b7b69cd90464f8cc [2020-11-30 00:00:14,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:00:14,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:00:14,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:00:14,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:00:14,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:00:14,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:00:14" (1/1) ... [2020-11-30 00:00:14,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413daccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:14, skipping insertion in model container [2020-11-30 00:00:14,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:00:14" (1/1) ... [2020-11-30 00:00:14,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:00:14,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:00:15,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:00:15,072 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:00:15,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:00:15,213 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:00:15,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15 WrapperNode [2020-11-30 00:00:15,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:00:15,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:00:15,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:00:15,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:00:15,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:00:15,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:00:15,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:00:15,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:00:15,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... [2020-11-30 00:00:15,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:00:15,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:00:15,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:00:15,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:00:15,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/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 [2020-11-30 00:00:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:00:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:00:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:00:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:00:16,562 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:00:16,563 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-11-30 00:00:16,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:00:16 BoogieIcfgContainer [2020-11-30 00:00:16,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:00:16,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:00:16,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:00:16,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:00:16,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:00:14" (1/3) ... [2020-11-30 00:00:16,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ea4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:00:16, skipping insertion in model container [2020-11-30 00:00:16,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:00:15" (2/3) ... [2020-11-30 00:00:16,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ea4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:00:16, skipping insertion in model container [2020-11-30 00:00:16,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:00:16" (3/3) ... [2020-11-30 00:00:16,577 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-11-30 00:00:16,591 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:00:16,597 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:00:16,610 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:00:16,652 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:00:16,652 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:00:16,652 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:00:16,652 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:00:16,652 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:00:16,652 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:00:16,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:00:16,652 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:00:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2020-11-30 00:00:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:00:16,674 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:00:16,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:00:16,675 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:00:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:00:16,681 INFO L82 PathProgramCache]: Analyzing trace with hash -934743772, now seen corresponding path program 1 times [2020-11-30 00:00:16,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:00:16,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405800017] [2020-11-30 00:00:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:00:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:00:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:00:17,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405800017] [2020-11-30 00:00:17,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:00:17,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:00:17,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509095194] [2020-11-30 00:00:17,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:00:17,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:00:17,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:00:17,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:00:17,049 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2020-11-30 00:00:17,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:00:17,078 INFO L93 Difference]: Finished difference Result 158 states and 237 transitions. [2020-11-30 00:00:17,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:00:17,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:00:17,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:00:17,090 INFO L225 Difference]: With dead ends: 158 [2020-11-30 00:00:17,090 INFO L226 Difference]: Without dead ends: 77 [2020-11-30 00:00:17,094 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 [2020-11-30 00:00:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-30 00:00:17,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-11-30 00:00:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-30 00:00:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2020-11-30 00:00:17,133 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2020-11-30 00:00:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:00:17,133 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2020-11-30 00:00:17,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:00:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2020-11-30 00:00:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:00:17,135 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:00:17,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:00:17,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:00:17,135 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:00:17,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:00:17,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1153579741, now seen corresponding path program 1 times [2020-11-30 00:00:17,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:00:17,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803138950] [2020-11-30 00:00:17,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:00:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:00:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:00:17,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803138950] [2020-11-30 00:00:17,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:00:17,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:00:17,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78363885] [2020-11-30 00:00:17,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:00:17,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:00:17,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:00:17,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:00:17,254 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2020-11-30 00:00:17,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:00:17,267 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2020-11-30 00:00:17,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:00:17,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:00:17,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:00:17,269 INFO L225 Difference]: With dead ends: 77 [2020-11-30 00:00:17,269 INFO L226 Difference]: Without dead ends: 37 [2020-11-30 00:00:17,270 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 [2020-11-30 00:00:17,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-30 00:00:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-30 00:00:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-30 00:00:17,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2020-11-30 00:00:17,276 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2020-11-30 00:00:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:00:17,276 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2020-11-30 00:00:17,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:00:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-11-30 00:00:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:00:17,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:00:17,277 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] [2020-11-30 00:00:17,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:00:17,278 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:00:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:00:17,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1633990848, now seen corresponding path program 1 times [2020-11-30 00:00:17,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:00:17,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082590299] [2020-11-30 00:00:17,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:00:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:00:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:00:17,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082590299] [2020-11-30 00:00:17,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:00:17,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:00:17,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055115227] [2020-11-30 00:00:17,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:00:17,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:00:17,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:00:17,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:00:17,449 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2020-11-30 00:00:17,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:00:17,508 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2020-11-30 00:00:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:00:17,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 00:00:17,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:00:17,514 INFO L225 Difference]: With dead ends: 97 [2020-11-30 00:00:17,516 INFO L226 Difference]: Without dead ends: 67 [2020-11-30 00:00:17,517 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 [2020-11-30 00:00:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-30 00:00:17,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-11-30 00:00:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-11-30 00:00:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2020-11-30 00:00:17,544 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2020-11-30 00:00:17,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:00:17,546 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2020-11-30 00:00:17,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:00:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2020-11-30 00:00:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:00:17,550 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:00:17,551 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] [2020-11-30 00:00:17,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:00:17,551 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:00:17,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:00:17,554 INFO L82 PathProgramCache]: Analyzing trace with hash 584858649, now seen corresponding path program 1 times [2020-11-30 00:00:17,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:00:17,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935683453] [2020-11-30 00:00:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:00:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:00:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:00:17,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935683453] [2020-11-30 00:00:17,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:00:17,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:00:17,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760144155] [2020-11-30 00:00:17,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:00:17,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:00:17,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:00:17,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:00:17,657 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2020-11-30 00:00:17,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:00:17,817 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-11-30 00:00:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:00:17,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-30 00:00:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:00:17,822 INFO L225 Difference]: With dead ends: 303 [2020-11-30 00:00:17,822 INFO L226 Difference]: Without dead ends: 247 [2020-11-30 00:00:17,824 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 [2020-11-30 00:00:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-11-30 00:00:17,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2020-11-30 00:00:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-30 00:00:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2020-11-30 00:00:17,856 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2020-11-30 00:00:17,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:00:17,856 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2020-11-30 00:00:17,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:00:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2020-11-30 00:00:17,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:00:17,858 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:00:17,859 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] [2020-11-30 00:00:17,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:00:17,859 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:00:17,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:00:17,860 INFO L82 PathProgramCache]: Analyzing trace with hash 690628753, now seen corresponding path program 1 times [2020-11-30 00:00:17,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:00:17,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429523311] [2020-11-30 00:00:17,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:00:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:00:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:00:18,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429523311] [2020-11-30 00:00:18,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:00:18,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:00:18,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615115661] [2020-11-30 00:00:18,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:00:18,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:00:18,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:00:18,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:00:18,015 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2020-11-30 00:00:18,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:00:18,181 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2020-11-30 00:00:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:00:18,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-30 00:00:18,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:00:18,183 INFO L225 Difference]: With dead ends: 307 [2020-11-30 00:00:18,183 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:00:18,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:00:18,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:00:18,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:00:18,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:00:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:00:18,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-30 00:00:18,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:00:18,187 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:00:18,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:00:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:00:18,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:00:18,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:00:18,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:00:18,581 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:00:18,582 INFO L274 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2020-11-30 00:00:18,582 INFO L274 CegarLoopResult]: For program point L366(lines 366 372) no Hoare annotation was computed. [2020-11-30 00:00:18,582 INFO L270 CegarLoopResult]: At program point L366-1(lines 366 372) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,582 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-11-30 00:00:18,583 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:00:18,584 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2020-11-30 00:00:18,584 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:00:18,584 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:00:18,584 INFO L274 CegarLoopResult]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2020-11-30 00:00:18,584 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:00:18,584 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 00:00:18,585 INFO L270 CegarLoopResult]: At program point L417-1(lines 417 423) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,585 INFO L274 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-11-30 00:00:18,585 INFO L274 CegarLoopResult]: For program point L236-1(lines 236 244) no Hoare annotation was computed. [2020-11-30 00:00:18,585 INFO L274 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-11-30 00:00:18,585 INFO L274 CegarLoopResult]: For program point L352(lines 352 356) no Hoare annotation was computed. [2020-11-30 00:00:18,586 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2020-11-30 00:00:18,586 INFO L274 CegarLoopResult]: For program point L352-3(lines 352 356) no Hoare annotation was computed. [2020-11-30 00:00:18,586 INFO L274 CegarLoopResult]: For program point L352-5(lines 352 356) no Hoare annotation was computed. [2020-11-30 00:00:18,586 INFO L274 CegarLoopResult]: For program point L352-6(lines 352 356) no Hoare annotation was computed. [2020-11-30 00:00:18,586 INFO L274 CegarLoopResult]: For program point L352-8(lines 352 356) no Hoare annotation was computed. [2020-11-30 00:00:18,586 INFO L274 CegarLoopResult]: For program point L435(lines 435 441) no Hoare annotation was computed. [2020-11-30 00:00:18,587 INFO L270 CegarLoopResult]: At program point L435-1(lines 200 206) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,587 INFO L270 CegarLoopResult]: At program point L303(lines 298 306) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,587 INFO L270 CegarLoopResult]: At program point L303-1(lines 298 306) the Hoare annotation is: false [2020-11-30 00:00:18,587 INFO L270 CegarLoopResult]: At program point L303-2(lines 298 306) the Hoare annotation is: false [2020-11-30 00:00:18,588 INFO L270 CegarLoopResult]: At program point L139(lines 134 142) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,588 INFO L270 CegarLoopResult]: At program point L139-1(lines 134 142) the Hoare annotation is: false [2020-11-30 00:00:18,588 INFO L270 CegarLoopResult]: At program point L139-2(lines 134 142) the Hoare annotation is: false [2020-11-30 00:00:18,588 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:00:18,588 INFO L270 CegarLoopResult]: At program point L207(lines 207 213) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,589 INFO L270 CegarLoopResult]: At program point L207-1(lines 207 213) the Hoare annotation is: false [2020-11-30 00:00:18,589 INFO L270 CegarLoopResult]: At program point L207-2(lines 207 213) the Hoare annotation is: false [2020-11-30 00:00:18,589 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:00:18,589 INFO L277 CegarLoopResult]: At program point L587(lines 568 590) the Hoare annotation is: true [2020-11-30 00:00:18,590 INFO L270 CegarLoopResult]: At program point L554(lines 550 556) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:00:18,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:00:18,590 INFO L274 CegarLoopResult]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-11-30 00:00:18,590 INFO L274 CegarLoopResult]: For program point L473(lines 473 490) no Hoare annotation was computed. [2020-11-30 00:00:18,590 INFO L270 CegarLoopResult]: At program point L473-1(lines 1 956) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,591 INFO L270 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: false [2020-11-30 00:00:18,591 INFO L274 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-11-30 00:00:18,591 INFO L274 CegarLoopResult]: For program point L473-2(lines 473 490) no Hoare annotation was computed. [2020-11-30 00:00:18,591 INFO L270 CegarLoopResult]: At program point L407-1(lines 407 413) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,591 INFO L270 CegarLoopResult]: At program point L473-3(lines 1 956) the Hoare annotation is: false [2020-11-30 00:00:18,592 INFO L274 CegarLoopResult]: For program point L473-4(lines 473 490) no Hoare annotation was computed. [2020-11-30 00:00:18,592 INFO L270 CegarLoopResult]: At program point L473-5(lines 1 956) the Hoare annotation is: false [2020-11-30 00:00:18,592 INFO L270 CegarLoopResult]: At program point L358(lines 343 361) the Hoare annotation is: false [2020-11-30 00:00:18,592 INFO L270 CegarLoopResult]: At program point L358-1(lines 343 361) the Hoare annotation is: false [2020-11-30 00:00:18,592 INFO L270 CegarLoopResult]: At program point L358-2(lines 343 361) the Hoare annotation is: false [2020-11-30 00:00:18,593 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:00:18,593 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-30 00:00:18,593 INFO L274 CegarLoopResult]: For program point L427(lines 427 442) no Hoare annotation was computed. [2020-11-30 00:00:18,593 INFO L274 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-11-30 00:00:18,593 INFO L274 CegarLoopResult]: For program point L477(lines 477 487) no Hoare annotation was computed. [2020-11-30 00:00:18,593 INFO L274 CegarLoopResult]: For program point L510-1(lines 200 206) no Hoare annotation was computed. [2020-11-30 00:00:18,594 INFO L274 CegarLoopResult]: For program point L477-2(lines 477 487) no Hoare annotation was computed. [2020-11-30 00:00:18,594 INFO L274 CegarLoopResult]: For program point L477-4(lines 477 487) no Hoare annotation was computed. [2020-11-30 00:00:18,594 INFO L270 CegarLoopResult]: At program point L180(lines 175 183) the Hoare annotation is: false [2020-11-30 00:00:18,598 INFO L270 CegarLoopResult]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2020-11-30 00:00:18,599 INFO L274 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-11-30 00:00:18,600 INFO L270 CegarLoopResult]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2020-11-30 00:00:18,600 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:00:18,600 INFO L274 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-11-30 00:00:18,602 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 484) no Hoare annotation was computed. [2020-11-30 00:00:18,602 INFO L274 CegarLoopResult]: For program point L478-4(lines 478 484) no Hoare annotation was computed. [2020-11-30 00:00:18,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:00:18,603 INFO L270 CegarLoopResult]: At program point L462(lines 457 464) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:00:18,603 INFO L274 CegarLoopResult]: For program point L578(lines 578 585) no Hoare annotation was computed. [2020-11-30 00:00:18,603 INFO L277 CegarLoopResult]: At program point L578-1(lines 578 585) the Hoare annotation is: true [2020-11-30 00:00:18,603 INFO L274 CegarLoopResult]: For program point L232(lines 232 249) no Hoare annotation was computed. [2020-11-30 00:00:18,604 INFO L274 CegarLoopResult]: For program point L232-1(lines 232 249) no Hoare annotation was computed. [2020-11-30 00:00:18,604 INFO L274 CegarLoopResult]: For program point L232-2(lines 232 249) no Hoare annotation was computed. [2020-11-30 00:00:18,605 INFO L270 CegarLoopResult]: At program point L67(lines 1 956) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-30 00:00:18,605 INFO L270 CegarLoopResult]: At program point L447(lines 396 448) the Hoare annotation is: false [2020-11-30 00:00:18,605 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-30 00:00:18,606 INFO L274 CegarLoopResult]: For program point L84-1(line 84) no Hoare annotation was computed. [2020-11-30 00:00:18,606 INFO L274 CegarLoopResult]: For program point L84-2(line 84) no Hoare annotation was computed. [2020-11-30 00:00:18,606 INFO L274 CegarLoopResult]: For program point L398(lines 397 446) no Hoare annotation was computed. [2020-11-30 00:00:18,607 INFO L270 CegarLoopResult]: At program point L200(lines 199 218) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:00:18,607 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 206) no Hoare annotation was computed. [2020-11-30 00:00:18,607 INFO L270 CegarLoopResult]: At program point L200-2(lines 199 218) the Hoare annotation is: false [2020-11-30 00:00:18,607 INFO L270 CegarLoopResult]: At program point L200-3(lines 199 218) the Hoare annotation is: false [2020-11-30 00:00:18,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:00:18 BoogieIcfgContainer [2020-11-30 00:00:18,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:00:18,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:00:18,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:00:18,655 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:00:18,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:00:16" (3/4) ... [2020-11-30 00:00:18,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:00:18,696 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:00:18,697 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:00:18,698 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:00:18,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:00:18,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:00:18,701 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:00:18,702 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:00:18,755 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:00:18,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e88d62f7-afcc-410e-929a-df17d642ab74/bin/uautomizer/witness.graphml [2020-11-30 00:00:18,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:00:18,891 INFO L168 Benchmark]: Toolchain (without parser) took 4300.25 ms. Allocated memory was 81.8 MB in the beginning and 119.5 MB in the end (delta: 37.7 MB). Free memory was 50.7 MB in the beginning and 83.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,892 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:00:18,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.57 ms. Allocated memory is still 81.8 MB. Free memory was 50.6 MB in the beginning and 49.8 MB in the end (delta: 790.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.02 ms. Allocated memory is still 81.8 MB. Free memory was 49.8 MB in the beginning and 46.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,893 INFO L168 Benchmark]: Boogie Preprocessor took 86.82 ms. Allocated memory is still 81.8 MB. Free memory was 46.6 MB in the beginning and 44.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,894 INFO L168 Benchmark]: RCFGBuilder took 1170.16 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 74.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,898 INFO L168 Benchmark]: TraceAbstraction took 2086.13 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 73.8 MB in the beginning and 90.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,899 INFO L168 Benchmark]: Witness Printer took 234.17 ms. Allocated memory is still 119.5 MB. Free memory was 90.8 MB in the beginning and 83.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:00:18,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory was 41.4 MB in the beginning and 41.4 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 622.57 ms. Allocated memory is still 81.8 MB. Free memory was 50.6 MB in the beginning and 49.8 MB in the end (delta: 790.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.02 ms. Allocated memory is still 81.8 MB. Free memory was 49.8 MB in the beginning and 46.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.82 ms. Allocated memory is still 81.8 MB. Free memory was 46.6 MB in the beginning and 44.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1170.16 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 74.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2086.13 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 73.8 MB in the beginning and 90.8 MB in the end (delta: -17.0 MB). Peak memory consumption was 41.3 MB. Max. memory is 16.1 GB. * Witness Printer took 234.17 ms. Allocated memory is still 119.5 MB. Free memory was 90.8 MB in the beginning and 83.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 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: 298]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 334 SDslu, 369 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...