./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.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_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/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 a022389f82d082e59911b8894f15e7c26d2fb42a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:56:44,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:44,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:44,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:44,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:44,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:44,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:44,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:44,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:44,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:44,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:44,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:44,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:44,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:44,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:44,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:44,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:44,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:44,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:44,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:44,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:44,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:44,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:44,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:44,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:44,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:44,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:44,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:44,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:44,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:44,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:44,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:44,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:44,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:44,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:44,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:44,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:44,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:44,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:44,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:44,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:44,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:44,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:44,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:44,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:44,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:44,185 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:44,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:44,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:44,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:44,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:44,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:44,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:44,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:44,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:44,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:44,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:44,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:44,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:44,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:44,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:44,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:44,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:44,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:44,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:44,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:44,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:44,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:44,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:44,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:44,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:44,199 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_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a022389f82d082e59911b8894f15e7c26d2fb42a [2020-11-28 02:56:44,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:44,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:44,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:44,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:44,487 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:44,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-11-28 02:56:44,566 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/data/00cd7afe1/c2752fb8a03740dabea7dc6efb66a9e7/FLAG63e556847 [2020-11-28 02:56:45,057 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:45,058 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2020-11-28 02:56:45,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/data/00cd7afe1/c2752fb8a03740dabea7dc6efb66a9e7/FLAG63e556847 [2020-11-28 02:56:45,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/data/00cd7afe1/c2752fb8a03740dabea7dc6efb66a9e7 [2020-11-28 02:56:45,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:45,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:45,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:45,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:45,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:45,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:45,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295e5090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45, skipping insertion in model container [2020-11-28 02:56:45,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:45,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:45,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:45,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:45,765 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:45,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:45,895 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:45,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45 WrapperNode [2020-11-28 02:56:45,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:45,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:45,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:45,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:45,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:45,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:45,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:46,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:46,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:46,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:46,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... [2020-11-28 02:56:46,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:46,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:46,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:46,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:46,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/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 02:56:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:46,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:47,196 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:47,197 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-28 02:56:47,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:47 BoogieIcfgContainer [2020-11-28 02:56:47,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:47,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:47,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:47,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:47,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:45" (1/3) ... [2020-11-28 02:56:47,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9f6371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:47, skipping insertion in model container [2020-11-28 02:56:47,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:45" (2/3) ... [2020-11-28 02:56:47,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d9f6371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:47, skipping insertion in model container [2020-11-28 02:56:47,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:47" (3/3) ... [2020-11-28 02:56:47,211 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2020-11-28 02:56:47,226 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:47,230 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:56:47,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:56:47,277 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:47,277 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:47,277 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:47,277 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:47,278 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:47,278 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:47,278 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:47,278 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-11-28 02:56:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:56:47,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:47,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:47,308 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:47,317 INFO L82 PathProgramCache]: Analyzing trace with hash 783740324, now seen corresponding path program 1 times [2020-11-28 02:56:47,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:47,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915781105] [2020-11-28 02:56:47,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:47,564 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 02:56:47,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915781105] [2020-11-28 02:56:47,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:47,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:47,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98943362] [2020-11-28 02:56:47,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:56:47,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:47,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:56:47,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:47,589 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2020-11-28 02:56:47,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:47,624 INFO L93 Difference]: Finished difference Result 118 states and 177 transitions. [2020-11-28 02:56:47,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:56:47,626 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:56:47,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:47,643 INFO L225 Difference]: With dead ends: 118 [2020-11-28 02:56:47,644 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:56:47,660 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 02:56:47,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:56:47,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:56:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:56:47,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2020-11-28 02:56:47,713 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2020-11-28 02:56:47,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:47,714 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2020-11-28 02:56:47,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:56:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-11-28 02:56:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:56:47,716 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:47,718 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:47,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:47,719 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:47,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:47,722 INFO L82 PathProgramCache]: Analyzing trace with hash 564904355, now seen corresponding path program 1 times [2020-11-28 02:56:47,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:47,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105718545] [2020-11-28 02:56:47,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:47,915 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 02:56:47,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105718545] [2020-11-28 02:56:47,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:47,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:47,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086038137] [2020-11-28 02:56:47,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:47,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:47,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:47,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:47,918 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 3 states. [2020-11-28 02:56:47,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:47,933 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2020-11-28 02:56:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:47,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:56:47,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:47,936 INFO L225 Difference]: With dead ends: 57 [2020-11-28 02:56:47,936 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 02:56:47,938 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 02:56:47,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 02:56:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 02:56:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 02:56:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 02:56:47,952 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-11-28 02:56:47,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:47,953 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 02:56:47,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 02:56:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:56:47,956 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:47,956 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 02:56:47,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:47,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:47,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:47,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1355159705, now seen corresponding path program 1 times [2020-11-28 02:56:47,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:47,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655815916] [2020-11-28 02:56:47,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:48,126 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 02:56:48,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655815916] [2020-11-28 02:56:48,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:48,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:48,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419664157] [2020-11-28 02:56:48,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:48,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:48,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:48,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:48,138 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-11-28 02:56:48,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:48,316 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2020-11-28 02:56:48,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:56:48,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:56:48,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:48,319 INFO L225 Difference]: With dead ends: 112 [2020-11-28 02:56:48,319 INFO L226 Difference]: Without dead ends: 90 [2020-11-28 02:56:48,320 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 [2020-11-28 02:56:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-11-28 02:56:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2020-11-28 02:56:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 02:56:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-11-28 02:56:48,330 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2020-11-28 02:56:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:48,330 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-11-28 02:56:48,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-11-28 02:56:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:56:48,332 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:48,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:48,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:48,333 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:48,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:48,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1689469663, now seen corresponding path program 1 times [2020-11-28 02:56:48,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:48,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530166578] [2020-11-28 02:56:48,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:48,423 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 02:56:48,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530166578] [2020-11-28 02:56:48,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:48,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:48,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723908394] [2020-11-28 02:56:48,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:48,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:48,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:48,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:48,426 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 5 states. [2020-11-28 02:56:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:48,500 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2020-11-28 02:56:48,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:56:48,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 02:56:48,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:48,501 INFO L225 Difference]: With dead ends: 132 [2020-11-28 02:56:48,501 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:48,502 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 02:56:48,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:48,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:48,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-11-28 02:56:48,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:48,503 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:48,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:48,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:48,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:48,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:48,913 INFO L270 CegarLoopResult]: At program point L861(lines 1 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:48,913 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:48,913 INFO L274 CegarLoopResult]: For program point L432(lines 431 476) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L467-2(lines 501 507) no Hoare annotation was computed. [2020-11-28 02:56:48,914 INFO L274 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-11-28 02:56:48,915 INFO L270 CegarLoopResult]: At program point L451-1(lines 451 457) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,915 INFO L274 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-11-28 02:56:48,915 INFO L274 CegarLoopResult]: For program point L765-3(lines 765 769) no Hoare annotation was computed. [2020-11-28 02:56:48,915 INFO L274 CegarLoopResult]: For program point L765-6(lines 765 769) no Hoare annotation was computed. [2020-11-28 02:56:48,915 INFO L270 CegarLoopResult]: At program point L501(lines 500 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,915 INFO L274 CegarLoopResult]: For program point L501-1(lines 501 507) no Hoare annotation was computed. [2020-11-28 02:56:48,915 INFO L270 CegarLoopResult]: At program point L501-2(lines 500 519) the Hoare annotation is: false [2020-11-28 02:56:48,915 INFO L270 CegarLoopResult]: At program point L501-3(lines 500 519) the Hoare annotation is: false [2020-11-28 02:56:48,916 INFO L270 CegarLoopResult]: At program point L717(lines 713 719) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:48,916 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:48,916 INFO L274 CegarLoopResult]: For program point L636(lines 636 653) no Hoare annotation was computed. [2020-11-28 02:56:48,916 INFO L270 CegarLoopResult]: At program point L636-1(lines 1 872) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,916 INFO L270 CegarLoopResult]: At program point L669-2(lines 669 683) the Hoare annotation is: false [2020-11-28 02:56:48,916 INFO L274 CegarLoopResult]: For program point L636-2(lines 636 653) no Hoare annotation was computed. [2020-11-28 02:56:48,916 INFO L270 CegarLoopResult]: At program point L636-3(lines 1 872) the Hoare annotation is: false [2020-11-28 02:56:48,916 INFO L274 CegarLoopResult]: For program point L636-4(lines 636 653) no Hoare annotation was computed. [2020-11-28 02:56:48,917 INFO L270 CegarLoopResult]: At program point L636-5(lines 1 872) the Hoare annotation is: false [2020-11-28 02:56:48,917 INFO L270 CegarLoopResult]: At program point L802(lines 797 805) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,917 INFO L270 CegarLoopResult]: At program point L802-1(lines 797 805) the Hoare annotation is: false [2020-11-28 02:56:48,917 INFO L270 CegarLoopResult]: At program point L802-2(lines 797 805) the Hoare annotation is: false [2020-11-28 02:56:48,920 INFO L274 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-11-28 02:56:48,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:48,920 INFO L277 CegarLoopResult]: At program point L753(lines 734 756) the Hoare annotation is: true [2020-11-28 02:56:48,921 INFO L270 CegarLoopResult]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:48,921 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:48,921 INFO L274 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-11-28 02:56:48,921 INFO L270 CegarLoopResult]: At program point L441-1(lines 441 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,921 INFO L274 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-11-28 02:56:48,921 INFO L274 CegarLoopResult]: For program point L640(lines 640 650) no Hoare annotation was computed. [2020-11-28 02:56:48,922 INFO L274 CegarLoopResult]: For program point L673-1(lines 501 507) no Hoare annotation was computed. [2020-11-28 02:56:48,922 INFO L274 CegarLoopResult]: For program point L640-2(lines 640 650) no Hoare annotation was computed. [2020-11-28 02:56:48,922 INFO L270 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,922 INFO L274 CegarLoopResult]: For program point L640-4(lines 640 650) no Hoare annotation was computed. [2020-11-28 02:56:48,922 INFO L270 CegarLoopResult]: At program point L508-1(lines 508 514) the Hoare annotation is: false [2020-11-28 02:56:48,923 INFO L270 CegarLoopResult]: At program point L508-2(lines 508 514) the Hoare annotation is: false [2020-11-28 02:56:48,923 INFO L274 CegarLoopResult]: For program point L789(lines 789 793) no Hoare annotation was computed. [2020-11-28 02:56:48,923 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 02:56:48,923 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 02:56:48,923 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 02:56:48,923 INFO L274 CegarLoopResult]: For program point L641(lines 641 647) no Hoare annotation was computed. [2020-11-28 02:56:48,923 INFO L274 CegarLoopResult]: For program point L641-2(lines 641 647) no Hoare annotation was computed. [2020-11-28 02:56:48,924 INFO L274 CegarLoopResult]: For program point L641-4(lines 641 647) no Hoare annotation was computed. [2020-11-28 02:56:48,924 INFO L270 CegarLoopResult]: At program point L625(lines 620 627) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 02:56:48,924 INFO L270 CegarLoopResult]: At program point L477(lines 430 478) the Hoare annotation is: false [2020-11-28 02:56:48,924 INFO L274 CegarLoopResult]: For program point L461(lines 461 472) no Hoare annotation was computed. [2020-11-28 02:56:48,924 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:48,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:48,925 INFO L270 CegarLoopResult]: At program point L578(lines 573 581) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 02:56:48,926 INFO L270 CegarLoopResult]: At program point L578-1(lines 573 581) the Hoare annotation is: false [2020-11-28 02:56:48,926 INFO L270 CegarLoopResult]: At program point L578-2(lines 573 581) the Hoare annotation is: false [2020-11-28 02:56:48,926 INFO L274 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-11-28 02:56:48,926 INFO L274 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-11-28 02:56:48,926 INFO L277 CegarLoopResult]: At program point L744-1(lines 744 751) the Hoare annotation is: true [2020-11-28 02:56:48,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:48 BoogieIcfgContainer [2020-11-28 02:56:48,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:48,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:48,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:48,956 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:48,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:47" (3/4) ... [2020-11-28 02:56:48,965 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:48,993 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:56:48,994 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:56:48,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:56:48,996 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:56:48,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:56:48,997 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:48,998 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:49,039 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 02:56:49,097 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c285fd3-6622-4979-9cd1-3a5c0b2d1907/bin/uautomizer/witness.graphml [2020-11-28 02:56:49,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:49,103 INFO L168 Benchmark]: Toolchain (without parser) took 3720.98 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 60.3 MB in the beginning and 59.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,103 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:49,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.55 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 59.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.32 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 56.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,104 INFO L168 Benchmark]: Boogie Preprocessor took 85.33 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 54.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,105 INFO L168 Benchmark]: RCFGBuilder took 1110.81 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 80.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,106 INFO L168 Benchmark]: TraceAbstraction took 1752.65 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 79.7 MB in the beginning and 65.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,106 INFO L168 Benchmark]: Witness Printer took 142.81 ms. Allocated memory is still 134.2 MB. Free memory was 64.5 MB in the beginning and 59.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:49,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 49.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 514.55 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 59.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.32 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 56.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.33 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 54.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1110.81 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.2 MB in the beginning and 80.5 MB in the end (delta: -26.3 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1752.65 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 79.7 MB in the beginning and 65.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. * Witness Printer took 142.81 ms. Allocated memory is still 134.2 MB. Free memory was 64.5 MB in the beginning and 59.2 MB in the end (delta: 5.3 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, 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, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 60 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...