./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/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 3b38310287d90f8069af2c9350481a8126041a79 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:05,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:05,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:05,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:05,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:05,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:05,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:05,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:05,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:05,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:05,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:05,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:05,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:05,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:05,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:05,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:05,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:05,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:05,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:05,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:05,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:05,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:05,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:05,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:05,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:05,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:05,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:05,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:05,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:05,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:05,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:05,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:05,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:05,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:05,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:05,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:05,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:05,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:05,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:05,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:05,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:05,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:59:05,375 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:05,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:05,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:05,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:05,377 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:05,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:05,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:05,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:05,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:05,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:05,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:05,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:05,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:05,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:05,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:05,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:05,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:05,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:05,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:05,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:05,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:05,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:05,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:05,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:05,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:05,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:05,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:05,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:05,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:05,382 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_fd3ae23d-fe56-468f-adf0-e03273f484f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b38310287d90f8069af2c9350481a8126041a79 [2020-11-28 02:59:05,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:05,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:05,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:05,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:05,701 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:05,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-28 02:59:05,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/data/7d35bb134/ef089e116e4c483f93d4d34496e703eb/FLAG14f2df57d [2020-11-28 02:59:06,345 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:06,345 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2020-11-28 02:59:06,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/data/7d35bb134/ef089e116e4c483f93d4d34496e703eb/FLAG14f2df57d [2020-11-28 02:59:06,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/data/7d35bb134/ef089e116e4c483f93d4d34496e703eb [2020-11-28 02:59:06,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:06,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:06,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:06,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:06,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:06,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4132eb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:06, skipping insertion in model container [2020-11-28 02:59:06,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:06" (1/1) ... [2020-11-28 02:59:06,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:06,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:07,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:07,067 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:07,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:07,214 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:07,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07 WrapperNode [2020-11-28 02:59:07,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:07,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:07,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:07,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:07,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:07,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:07,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:07,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:07,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... [2020-11-28 02:59:07,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:07,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:07,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:07,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:07,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/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 [2020-11-28 02:59:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:08,413 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:08,416 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 02:59:08,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:08 BoogieIcfgContainer [2020-11-28 02:59:08,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:08,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:08,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:08,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:08,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:06" (1/3) ... [2020-11-28 02:59:08,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eed48fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:08, skipping insertion in model container [2020-11-28 02:59:08,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:07" (2/3) ... [2020-11-28 02:59:08,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eed48fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:08, skipping insertion in model container [2020-11-28 02:59:08,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:08" (3/3) ... [2020-11-28 02:59:08,432 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2020-11-28 02:59:08,441 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:08,445 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:59:08,456 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:59:08,483 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:08,483 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:08,484 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:08,484 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:08,484 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:08,484 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:08,484 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:08,485 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-28 02:59:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:59:08,515 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:08,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:08,517 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:08,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:08,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-11-28 02:59:08,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:08,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039840622] [2020-11-28 02:59:08,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:08,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039840622] [2020-11-28 02:59:08,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:08,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:08,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218074463] [2020-11-28 02:59:08,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:59:08,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:08,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:59:08,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:59:08,924 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-28 02:59:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:08,967 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-28 02:59:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:59:08,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:59:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:08,992 INFO L225 Difference]: With dead ends: 139 [2020-11-28 02:59:08,993 INFO L226 Difference]: Without dead ends: 67 [2020-11-28 02:59:08,999 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 [2020-11-28 02:59:09,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-28 02:59:09,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-28 02:59:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-28 02:59:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-28 02:59:09,052 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-28 02:59:09,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,052 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-28 02:59:09,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:59:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-28 02:59:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:59:09,055 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,055 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:09,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:09,056 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,060 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-11-28 02:59:09,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142496185] [2020-11-28 02:59:09,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142496185] [2020-11-28 02:59:09,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:09,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197878851] [2020-11-28 02:59:09,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:09,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:09,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:09,205 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-11-28 02:59:09,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,216 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-28 02:59:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:09,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:59:09,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,218 INFO L225 Difference]: With dead ends: 67 [2020-11-28 02:59:09,218 INFO L226 Difference]: Without dead ends: 33 [2020-11-28 02:59:09,219 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 [2020-11-28 02:59:09,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-28 02:59:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-28 02:59:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 02:59:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-28 02:59:09,225 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-28 02:59:09,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,225 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-28 02:59:09,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-28 02:59:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:59:09,227 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,227 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] [2020-11-28 02:59:09,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:09,227 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,228 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-11-28 02:59:09,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060316297] [2020-11-28 02:59:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060316297] [2020-11-28 02:59:09,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:59:09,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469511627] [2020-11-28 02:59:09,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:09,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:09,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:09,360 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-11-28 02:59:09,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,456 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-11-28 02:59:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:09,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 02:59:09,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,458 INFO L225 Difference]: With dead ends: 83 [2020-11-28 02:59:09,458 INFO L226 Difference]: Without dead ends: 56 [2020-11-28 02:59:09,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:59:09,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-28 02:59:09,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-11-28 02:59:09,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-28 02:59:09,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-28 02:59:09,483 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-28 02:59:09,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,484 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-28 02:59:09,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-28 02:59:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:59:09,486 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,487 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] [2020-11-28 02:59:09,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:59:09,487 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,488 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-11-28 02:59:09,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165408206] [2020-11-28 02:59:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165408206] [2020-11-28 02:59:09,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:59:09,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401931849] [2020-11-28 02:59:09,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:09,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:09,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:09,618 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-11-28 02:59:09,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,770 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2020-11-28 02:59:09,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:59:09,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 02:59:09,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,773 INFO L225 Difference]: With dead ends: 189 [2020-11-28 02:59:09,773 INFO L226 Difference]: Without dead ends: 143 [2020-11-28 02:59:09,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:59:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-11-28 02:59:09,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2020-11-28 02:59:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-28 02:59:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-11-28 02:59:09,797 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2020-11-28 02:59:09,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,797 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-11-28 02:59:09,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-11-28 02:59:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:59:09,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:09,799 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] [2020-11-28 02:59:09,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:59:09,800 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:09,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:09,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2020-11-28 02:59:09,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:09,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338198441] [2020-11-28 02:59:09,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:09,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338198441] [2020-11-28 02:59:09,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:09,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:59:09,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950597493] [2020-11-28 02:59:09,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:59:09,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:09,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:59:09,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:09,901 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 5 states. [2020-11-28 02:59:09,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:09,984 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2020-11-28 02:59:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:59:09,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:59:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:09,985 INFO L225 Difference]: With dead ends: 232 [2020-11-28 02:59:09,985 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:59:09,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:09,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:59:09,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:59:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:59:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:59:09,988 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 02:59:09,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:09,988 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:59:09,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:59:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:59:09,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:59:09,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:59:09,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:59:10,345 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:10,346 INFO L270 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2020-11-28 02:59:10,346 INFO L270 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2020-11-28 02:59:10,346 INFO L270 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2020-11-28 02:59:10,346 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:59:10,346 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:59:10,347 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:59:10,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:59:10,347 INFO L274 CegarLoopResult]: For program point L251(lines 251 258) no Hoare annotation was computed. [2020-11-28 02:59:10,347 INFO L277 CegarLoopResult]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2020-11-28 02:59:10,347 INFO L270 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2020-11-28 02:59:10,347 INFO L274 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-11-28 02:59:10,347 INFO L270 CegarLoopResult]: At program point L153(lines 1 895) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 02:59:10,347 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-28 02:59:10,347 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-11-28 02:59:10,348 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-11-28 02:59:10,348 INFO L274 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-11-28 02:59:10,348 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-11-28 02:59:10,348 INFO L270 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,348 INFO L274 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-11-28 02:59:10,348 INFO L270 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,348 INFO L270 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,348 INFO L270 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2020-11-28 02:59:10,348 INFO L270 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2020-11-28 02:59:10,349 INFO L274 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-11-28 02:59:10,349 INFO L270 CegarLoopResult]: At program point L867-1(lines 670 676) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,349 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:59:10,349 INFO L274 CegarLoopResult]: For program point L702(lines 702 719) no Hoare annotation was computed. [2020-11-28 02:59:10,349 INFO L274 CegarLoopResult]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2020-11-28 02:59:10,349 INFO L274 CegarLoopResult]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2020-11-28 02:59:10,349 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-11-28 02:59:10,349 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: false [2020-11-28 02:59:10,349 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-11-28 02:59:10,350 INFO L270 CegarLoopResult]: At program point L670(lines 669 688) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,353 INFO L274 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2020-11-28 02:59:10,353 INFO L270 CegarLoopResult]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2020-11-28 02:59:10,354 INFO L270 CegarLoopResult]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2020-11-28 02:59:10,355 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:10,355 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:59:10,355 INFO L270 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,356 INFO L270 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2020-11-28 02:59:10,356 INFO L270 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2020-11-28 02:59:10,356 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-11-28 02:59:10,357 INFO L277 CegarLoopResult]: At program point L260(lines 241 263) the Hoare annotation is: true [2020-11-28 02:59:10,358 INFO L270 CegarLoopResult]: At program point L227(lines 223 229) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,358 INFO L274 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-11-28 02:59:10,358 INFO L270 CegarLoopResult]: At program point L161(lines 156 164) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,358 INFO L274 CegarLoopResult]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2020-11-28 02:59:10,359 INFO L274 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2020-11-28 02:59:10,359 INFO L270 CegarLoopResult]: At program point L178-2(lines 178 192) the Hoare annotation is: false [2020-11-28 02:59:10,359 INFO L274 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-11-28 02:59:10,359 INFO L270 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,359 INFO L274 CegarLoopResult]: For program point L641(lines 641 654) no Hoare annotation was computed. [2020-11-28 02:59:10,359 INFO L270 CegarLoopResult]: At program point L641-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,360 INFO L274 CegarLoopResult]: For program point L641-2(lines 641 654) no Hoare annotation was computed. [2020-11-28 02:59:10,360 INFO L270 CegarLoopResult]: At program point L641-3(lines 1 895) the Hoare annotation is: false [2020-11-28 02:59:10,360 INFO L274 CegarLoopResult]: For program point L641-4(lines 641 654) no Hoare annotation was computed. [2020-11-28 02:59:10,360 INFO L270 CegarLoopResult]: At program point L641-5(lines 1 895) the Hoare annotation is: false [2020-11-28 02:59:10,360 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 02:59:10,360 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:59:10,361 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:59:10,361 INFO L270 CegarLoopResult]: At program point L677(lines 677 683) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:59:10,361 INFO L270 CegarLoopResult]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2020-11-28 02:59:10,361 INFO L270 CegarLoopResult]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2020-11-28 02:59:10,361 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-28 02:59:10,361 INFO L274 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L892-1(line 892) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L892-2(line 892) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L182-1(lines 670 676) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L645(lines 645 651) no Hoare annotation was computed. [2020-11-28 02:59:10,362 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 651) no Hoare annotation was computed. [2020-11-28 02:59:10,363 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 651) no Hoare annotation was computed. [2020-11-28 02:59:10,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:10 BoogieIcfgContainer [2020-11-28 02:59:10,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:10,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:10,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:10,407 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:10,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:08" (3/4) ... [2020-11-28 02:59:10,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:10,437 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:59:10,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:59:10,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:59:10,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:59:10,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:59:10,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:10,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:10,466 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:59:10,467 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:59:10,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,468 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:59:10,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd3ae23d-fe56-468f-adf0-e03273f484f5/bin/uautomizer/witness.graphml [2020-11-28 02:59:10,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:10,552 INFO L168 Benchmark]: Toolchain (without parser) took 3888.72 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 95.6 MB in the beginning and 99.9 MB in the end (delta: -4.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,553 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:10,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.27 ms. Allocated memory is still 121.6 MB. Free memory was 95.6 MB in the beginning and 87.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.45 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 84.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,555 INFO L168 Benchmark]: Boogie Preprocessor took 37.74 ms. Allocated memory is still 121.6 MB. Free memory was 84.2 MB in the beginning and 81.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,555 INFO L168 Benchmark]: RCFGBuilder took 1065.70 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 81.7 MB in the beginning and 98.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,556 INFO L168 Benchmark]: TraceAbstraction took 1985.41 ms. Allocated memory is still 146.8 MB. Free memory was 98.6 MB in the beginning and 107.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,556 INFO L168 Benchmark]: Witness Printer took 143.32 ms. Allocated memory is still 146.8 MB. Free memory was 107.3 MB in the beginning and 99.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:10,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 548.27 ms. Allocated memory is still 121.6 MB. Free memory was 95.6 MB in the beginning and 87.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.45 ms. Allocated memory is still 121.6 MB. Free memory was 87.0 MB in the beginning and 84.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.74 ms. Allocated memory is still 121.6 MB. Free memory was 84.2 MB in the beginning and 81.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1065.70 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 81.7 MB in the beginning and 98.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1985.41 ms. Allocated memory is still 146.8 MB. Free memory was 98.6 MB in the beginning and 107.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 64.4 MB. Max. memory is 16.1 GB. * Witness Printer took 143.32 ms. Allocated memory is still 146.8 MB. Free memory was 107.3 MB in the beginning and 99.9 MB in the end (delta: 7.4 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: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 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: 308 SDtfs, 451 SDslu, 258 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1972 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 17 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...