./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.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_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/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 465164c9d6bff671f00f1c9497719b8ddd91e991 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 21:09:52,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:09:52,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:09:52,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:09:52,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:09:52,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:09:52,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:09:52,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:09:52,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:09:52,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:09:52,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:09:52,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:09:52,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:09:52,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:09:52,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:09:52,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:09:52,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:09:52,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:09:52,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:09:52,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:09:52,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:09:52,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:09:52,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:09:52,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:09:52,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:09:52,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:09:52,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:09:52,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:09:52,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:09:52,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:09:52,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:09:52,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:09:52,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:09:52,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:09:52,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:09:52,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:09:52,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:09:52,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:09:52,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:09:52,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:09:52,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:09:52,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:09:52,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:09:52,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:09:52,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:09:52,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:09:52,665 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:09:52,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:09:52,666 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:09:52,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:09:52,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:09:52,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:09:52,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:09:52,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:09:52,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:09:52,668 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:09:52,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:09:52,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:09:52,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:09:52,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:09:52,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:09:52,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:09:52,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:09:52,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:09:52,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:09:52,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:09:52,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:09:52,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:09:52,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:09:52,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:09:52,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:09:52,671 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_bb2822c5-032c-4fa8-b50c-9ef662962f98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2020-11-29 21:09:52,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:09:53,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:09:53,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:09:53,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:09:53,028 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:09:53,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-29 21:09:53,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/data/4a5d84022/51e5e9d7c2f04982ac410737bc35f72e/FLAGb76897253 [2020-11-29 21:09:53,824 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:09:53,825 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-29 21:09:53,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/data/4a5d84022/51e5e9d7c2f04982ac410737bc35f72e/FLAGb76897253 [2020-11-29 21:09:54,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/data/4a5d84022/51e5e9d7c2f04982ac410737bc35f72e [2020-11-29 21:09:54,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:09:54,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:09:54,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:09:54,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:09:54,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:09:54,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:54,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4857d4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54, skipping insertion in model container [2020-11-29 21:09:54,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:54,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:09:54,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:09:54,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:09:54,684 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:09:54,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:09:54,878 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:09:54,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54 WrapperNode [2020-11-29 21:09:54,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:09:54,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:09:54,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:09:54,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:09:54,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:54,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:09:55,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:09:55,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:09:55,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:09:55,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... [2020-11-29 21:09:55,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:09:55,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:09:55,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:09:55,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:09:55,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:09:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:09:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:09:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:09:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:09:56,371 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:09:56,372 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-29 21:09:56,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:09:56 BoogieIcfgContainer [2020-11-29 21:09:56,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:09:56,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:09:56,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:09:56,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:09:56,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:09:54" (1/3) ... [2020-11-29 21:09:56,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c28fdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:09:56, skipping insertion in model container [2020-11-29 21:09:56,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:09:54" (2/3) ... [2020-11-29 21:09:56,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c28fdb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:09:56, skipping insertion in model container [2020-11-29 21:09:56,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:09:56" (3/3) ... [2020-11-29 21:09:56,390 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2020-11-29 21:09:56,401 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:09:56,406 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 21:09:56,419 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 21:09:56,458 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:09:56,459 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:09:56,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:09:56,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:09:56,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:09:56,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:09:56,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:09:56,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:09:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-29 21:09:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 21:09:56,494 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:09:56,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:09:56,495 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:09:56,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:09:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1592652580, now seen corresponding path program 1 times [2020-11-29 21:09:56,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:09:56,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922261548] [2020-11-29 21:09:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:09:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:09:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:09:56,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922261548] [2020-11-29 21:09:56,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:09:56,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:09:56,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385306474] [2020-11-29 21:09:56,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 21:09:56,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:09:56,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 21:09:56,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:09:56,858 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-29 21:09:56,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:09:56,890 INFO L93 Difference]: Finished difference Result 218 states and 327 transitions. [2020-11-29 21:09:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 21:09:56,892 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 21:09:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:09:56,903 INFO L225 Difference]: With dead ends: 218 [2020-11-29 21:09:56,904 INFO L226 Difference]: Without dead ends: 107 [2020-11-29 21:09:56,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 21:09:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-29 21:09:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-11-29 21:09:56,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-29 21:09:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2020-11-29 21:09:56,953 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2020-11-29 21:09:56,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:09:56,953 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2020-11-29 21:09:56,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 21:09:56,954 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2020-11-29 21:09:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 21:09:56,955 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:09:56,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:09:56,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:09:56,956 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:09:56,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:09:56,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1373816611, now seen corresponding path program 1 times [2020-11-29 21:09:56,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:09:56,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275516145] [2020-11-29 21:09:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:09:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:09:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:09:57,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275516145] [2020-11-29 21:09:57,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:09:57,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:09:57,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796853588] [2020-11-29 21:09:57,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:09:57,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:09:57,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:09:57,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:09:57,116 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand 3 states. [2020-11-29 21:09:57,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:09:57,130 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2020-11-29 21:09:57,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:09:57,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 21:09:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:09:57,137 INFO L225 Difference]: With dead ends: 107 [2020-11-29 21:09:57,137 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 21:09:57,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:09:57,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 21:09:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-29 21:09:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-29 21:09:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-29 21:09:57,145 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2020-11-29 21:09:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:09:57,145 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-29 21:09:57,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:09:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-29 21:09:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 21:09:57,146 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:09:57,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:09:57,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:09:57,150 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:09:57,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:09:57,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2020-11-29 21:09:57,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:09:57,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299935042] [2020-11-29 21:09:57,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:09:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:09:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:09:57,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299935042] [2020-11-29 21:09:57,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:09:57,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:09:57,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786749209] [2020-11-29 21:09:57,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:09:57,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:09:57,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:09:57,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:09:57,287 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-29 21:09:57,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:09:57,327 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2020-11-29 21:09:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:09:57,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 21:09:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:09:57,330 INFO L225 Difference]: With dead ends: 127 [2020-11-29 21:09:57,332 INFO L226 Difference]: Without dead ends: 87 [2020-11-29 21:09:57,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:09:57,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-29 21:09:57,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2020-11-29 21:09:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-29 21:09:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2020-11-29 21:09:57,356 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2020-11-29 21:09:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:09:57,356 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2020-11-29 21:09:57,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:09:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2020-11-29 21:09:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 21:09:57,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:09:57,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:09:57,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:09:57,360 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:09:57,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:09:57,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2020-11-29 21:09:57,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:09:57,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889601] [2020-11-29 21:09:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:09:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:09:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:09:57,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889601] [2020-11-29 21:09:57,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:09:57,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:09:57,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61139094] [2020-11-29 21:09:57,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:09:57,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:09:57,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:09:57,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:09:57,493 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand 5 states. [2020-11-29 21:09:57,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:09:57,705 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2020-11-29 21:09:57,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 21:09:57,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-29 21:09:57,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:09:57,713 INFO L225 Difference]: With dead ends: 409 [2020-11-29 21:09:57,713 INFO L226 Difference]: Without dead ends: 333 [2020-11-29 21:09:57,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-29 21:09:57,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-11-29 21:09:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2020-11-29 21:09:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-11-29 21:09:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2020-11-29 21:09:57,750 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2020-11-29 21:09:57,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:09:57,751 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2020-11-29 21:09:57,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:09:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-11-29 21:09:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 21:09:57,756 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:09:57,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:09:57,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:09:57,756 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:09:57,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:09:57,757 INFO L82 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2020-11-29 21:09:57,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:09:57,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675100101] [2020-11-29 21:09:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:09:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:09:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 21:09:57,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675100101] [2020-11-29 21:09:57,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:09:57,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:09:57,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991581763] [2020-11-29 21:09:57,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 21:09:57,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:09:57,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 21:09:57,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:09:57,865 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand 5 states. [2020-11-29 21:09:57,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:09:57,965 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2020-11-29 21:09:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:09:57,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-29 21:09:57,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:09:57,967 INFO L225 Difference]: With dead ends: 359 [2020-11-29 21:09:57,967 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:09:57,969 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 [2020-11-29 21:09:57,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:09:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:09:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:09:57,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:09:57,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-29 21:09:57,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:09:57,970 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:09:57,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 21:09:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:09:57,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:09:57,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:09:57,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:09:58,253 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 21:09:58,254 INFO L270 CegarLoopResult]: At program point L267(lines 262 270) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,254 INFO L270 CegarLoopResult]: At program point L267-1(lines 262 270) the Hoare annotation is: false [2020-11-29 21:09:58,254 INFO L274 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-11-29 21:09:58,254 INFO L270 CegarLoopResult]: At program point L267-2(lines 262 270) the Hoare annotation is: false [2020-11-29 21:09:58,254 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 209) no Hoare annotation was computed. [2020-11-29 21:09:58,254 INFO L274 CegarLoopResult]: For program point L201-2(lines 201 209) no Hoare annotation was computed. [2020-11-29 21:09:58,254 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 21:09:58,254 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 21:09:58,255 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 21:09:58,255 INFO L274 CegarLoopResult]: For program point L763(lines 763 780) no Hoare annotation was computed. [2020-11-29 21:09:58,255 INFO L270 CegarLoopResult]: At program point L763-1(lines 1 970) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,255 INFO L270 CegarLoopResult]: At program point L796-2(lines 796 810) the Hoare annotation is: false [2020-11-29 21:09:58,255 INFO L274 CegarLoopResult]: For program point L763-2(lines 763 780) no Hoare annotation was computed. [2020-11-29 21:09:58,255 INFO L270 CegarLoopResult]: At program point L763-3(lines 1 970) the Hoare annotation is: false [2020-11-29 21:09:58,255 INFO L274 CegarLoopResult]: For program point L763-4(lines 763 780) no Hoare annotation was computed. [2020-11-29 21:09:58,256 INFO L270 CegarLoopResult]: At program point L763-5(lines 1 970) the Hoare annotation is: false [2020-11-29 21:09:58,256 INFO L270 CegarLoopResult]: At program point L367(lines 1 970) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:09:58,256 INFO L274 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-11-29 21:09:58,256 INFO L274 CegarLoopResult]: For program point L171(lines 171 188) no Hoare annotation was computed. [2020-11-29 21:09:58,256 INFO L274 CegarLoopResult]: For program point L171-1(lines 171 188) no Hoare annotation was computed. [2020-11-29 21:09:58,256 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-11-29 21:09:58,256 INFO L274 CegarLoopResult]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2020-11-29 21:09:58,256 INFO L274 CegarLoopResult]: For program point L171-3(lines 171 188) no Hoare annotation was computed. [2020-11-29 21:09:58,256 INFO L274 CegarLoopResult]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L171-5(lines 171 188) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L270 CegarLoopResult]: At program point L139(lines 138 157) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L139-1(lines 139 145) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L270 CegarLoopResult]: At program point L139-2(lines 138 157) the Hoare annotation is: false [2020-11-29 21:09:58,257 INFO L270 CegarLoopResult]: At program point L139-3(lines 138 157) the Hoare annotation is: false [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L767(lines 767 777) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L800-1(lines 139 145) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L767-2(lines 767 777) no Hoare annotation was computed. [2020-11-29 21:09:58,257 INFO L274 CegarLoopResult]: For program point L767-4(lines 767 777) no Hoare annotation was computed. [2020-11-29 21:09:58,258 INFO L274 CegarLoopResult]: For program point L768(lines 768 774) no Hoare annotation was computed. [2020-11-29 21:09:58,258 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 774) no Hoare annotation was computed. [2020-11-29 21:09:58,258 INFO L274 CegarLoopResult]: For program point L768-4(lines 768 774) no Hoare annotation was computed. [2020-11-29 21:09:58,258 INFO L270 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: false [2020-11-29 21:09:58,258 INFO L270 CegarLoopResult]: At program point L967-1(lines 962 970) the Hoare annotation is: false [2020-11-29 21:09:58,258 INFO L274 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2020-11-29 21:09:58,258 INFO L270 CegarLoopResult]: At program point L967-2(lines 962 970) the Hoare annotation is: false [2020-11-29 21:09:58,258 INFO L274 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-11-29 21:09:58,258 INFO L270 CegarLoopResult]: At program point L967-3(lines 962 970) the Hoare annotation is: false [2020-11-29 21:09:58,259 INFO L270 CegarLoopResult]: At program point L967-4(lines 962 970) the Hoare annotation is: false [2020-11-29 21:09:58,259 INFO L277 CegarLoopResult]: At program point L868-1(lines 868 875) the Hoare annotation is: true [2020-11-29 21:09:58,259 INFO L270 CegarLoopResult]: At program point L967-5(lines 962 970) the Hoare annotation is: false [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point L175(lines 175 183) no Hoare annotation was computed. [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point L175-1(lines 175 183) no Hoare annotation was computed. [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point L175-2(lines 175 183) no Hoare annotation was computed. [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point L175-4(lines 175 183) no Hoare annotation was computed. [2020-11-29 21:09:58,259 INFO L274 CegarLoopResult]: For program point L175-5(lines 175 183) no Hoare annotation was computed. [2020-11-29 21:09:58,260 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-29 21:09:58,260 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,260 INFO L270 CegarLoopResult]: At program point L375(lines 370 378) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:09:58,260 INFO L270 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,260 INFO L270 CegarLoopResult]: At program point L146-1(lines 146 152) the Hoare annotation is: false [2020-11-29 21:09:58,260 INFO L270 CegarLoopResult]: At program point L146-2(lines 146 152) the Hoare annotation is: false [2020-11-29 21:09:58,260 INFO L277 CegarLoopResult]: At program point L877(lines 858 880) the Hoare annotation is: true [2020-11-29 21:09:58,260 INFO L270 CegarLoopResult]: At program point L844(lines 840 846) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316-2(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316-3(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316-5(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316-6(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316-8(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-11-29 21:09:58,261 INFO L274 CegarLoopResult]: For program point L316-9(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L316-11(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L316-12(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L316-14(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L316-15(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L316-17(lines 316 320) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L274 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-11-29 21:09:58,262 INFO L270 CegarLoopResult]: At program point L322(lines 307 325) the Hoare annotation is: false [2020-11-29 21:09:58,263 INFO L270 CegarLoopResult]: At program point L322-1(lines 307 325) the Hoare annotation is: false [2020-11-29 21:09:58,263 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:09:58,263 INFO L270 CegarLoopResult]: At program point L322-2(lines 307 325) the Hoare annotation is: false [2020-11-29 21:09:58,263 INFO L270 CegarLoopResult]: At program point L322-3(lines 307 325) the Hoare annotation is: false [2020-11-29 21:09:58,263 INFO L270 CegarLoopResult]: At program point L322-4(lines 307 325) the Hoare annotation is: false [2020-11-29 21:09:58,263 INFO L270 CegarLoopResult]: At program point L322-5(lines 307 325) the Hoare annotation is: false [2020-11-29 21:09:58,263 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-11-29 21:09:58,263 INFO L270 CegarLoopResult]: At program point L752(lines 747 754) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-29 21:09:58,264 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-11-29 21:09:58,264 INFO L270 CegarLoopResult]: At program point L258(lines 251 261) the Hoare annotation is: false [2020-11-29 21:09:58,264 INFO L270 CegarLoopResult]: At program point L258-1(lines 251 261) the Hoare annotation is: false [2020-11-29 21:09:58,264 INFO L270 CegarLoopResult]: At program point L258-2(lines 251 261) the Hoare annotation is: false [2020-11-29 21:09:58,264 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 21:09:58,264 INFO L270 CegarLoopResult]: At program point L93-1(lines 139 145) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:09:58,264 INFO L274 CegarLoopResult]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-11-29 21:09:58,264 INFO L274 CegarLoopResult]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2020-11-29 21:09:58,264 INFO L274 CegarLoopResult]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point L197-1(lines 197 214) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-11-29 21:09:58,265 INFO L270 CegarLoopResult]: At program point L330-1(lines 330 336) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,265 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L926(lines 921 929) the Hoare annotation is: false [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L926-1(lines 921 929) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L926-3(lines 921 929) the Hoare annotation is: false [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L926-4(lines 921 929) the Hoare annotation is: false [2020-11-29 21:09:58,266 INFO L270 CegarLoopResult]: At program point L926-5(lines 921 929) the Hoare annotation is: false [2020-11-29 21:09:58,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:09:58 BoogieIcfgContainer [2020-11-29 21:09:58,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:09:58,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:09:58,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:09:58,303 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:09:58,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:09:56" (3/4) ... [2020-11-29 21:09:58,305 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:09:58,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 21:09:58,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 21:09:58,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 21:09:58,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 21:09:58,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 21:09:58,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:09:58,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:09:58,374 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-29 21:09:58,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb2822c5-032c-4fa8-b50c-9ef662962f98/bin/uautomizer/witness.graphml [2020-11-29 21:09:58,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:09:58,491 INFO L168 Benchmark]: Toolchain (without parser) took 4362.11 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 59.5 MB in the beginning and 97.1 MB in the end (delta: -37.6 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,491 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 67.1 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:09:58,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.12 ms. Allocated memory is still 92.3 MB. Free memory was 59.2 MB in the beginning and 58.9 MB in the end (delta: 368.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.68 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 55.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,493 INFO L168 Benchmark]: Boogie Preprocessor took 96.15 ms. Allocated memory is still 92.3 MB. Free memory was 55.1 MB in the beginning and 52.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,493 INFO L168 Benchmark]: RCFGBuilder took 1271.35 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 52.6 MB in the beginning and 65.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,494 INFO L168 Benchmark]: TraceAbstraction took 1924.36 ms. Allocated memory is still 123.7 MB. Free memory was 65.0 MB in the beginning and 43.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,494 INFO L168 Benchmark]: Witness Printer took 184.83 ms. Allocated memory is still 123.7 MB. Free memory was 43.3 MB in the beginning and 97.1 MB in the end (delta: -53.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:09:58,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 67.1 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 750.12 ms. Allocated memory is still 92.3 MB. Free memory was 59.2 MB in the beginning and 58.9 MB in the end (delta: 368.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.68 ms. Allocated memory is still 92.3 MB. Free memory was 58.9 MB in the beginning and 55.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.15 ms. Allocated memory is still 92.3 MB. Free memory was 55.1 MB in the beginning and 52.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1271.35 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 52.6 MB in the beginning and 65.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1924.36 ms. Allocated memory is still 123.7 MB. Free memory was 65.0 MB in the beginning and 43.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Witness Printer took 184.83 ms. Allocated memory is still 123.7 MB. Free memory was 43.3 MB in the beginning and 97.1 MB in the end (delta: -53.8 MB). Peak memory consumption was 9.1 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: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 412 SDslu, 454 SDs, 0 SdLazy, 70 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred 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, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 5549 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...