./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.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_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/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 24356a2f1c32c3171f965552405bf63c18ffd4b2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:13:39,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:13:39,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:13:39,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:13:39,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:13:39,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:13:39,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:13:39,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:13:39,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:13:39,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:13:39,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:13:39,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:13:39,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:13:39,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:13:39,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:13:39,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:13:39,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:13:39,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:13:39,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:13:39,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:13:39,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:13:39,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:13:39,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:13:39,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:13:39,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:13:39,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:13:39,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:13:39,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:13:39,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:13:39,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:13:39,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:13:39,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:13:39,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:13:39,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:13:39,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:13:39,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:13:39,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:13:39,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:13:39,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:13:39,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:13:39,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:13:39,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:13:39,986 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:13:39,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:13:39,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:13:39,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:13:39,987 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:13:39,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:13:39,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:13:39,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:13:39,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:13:39,989 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:13:39,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:13:39,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:13:39,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:13:39,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:13:39,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:13:39,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:13:39,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:13:39,991 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_6361ba09-0395-4bd5-b52b-ff06f8b674f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24356a2f1c32c3171f965552405bf63c18ffd4b2 [2020-11-28 03:13:40,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:13:40,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:13:40,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:13:40,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:13:40,337 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:13:40,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-28 03:13:40,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/data/e75a15e40/d6795bd3805d4f01bea171abafcc942e/FLAG7632793f8 [2020-11-28 03:13:40,886 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:13:40,887 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2020-11-28 03:13:40,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/data/e75a15e40/d6795bd3805d4f01bea171abafcc942e/FLAG7632793f8 [2020-11-28 03:13:41,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/data/e75a15e40/d6795bd3805d4f01bea171abafcc942e [2020-11-28 03:13:41,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:13:41,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:13:41,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:41,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:13:41,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:13:41,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bdd4102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41, skipping insertion in model container [2020-11-28 03:13:41,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:13:41,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:13:41,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:41,761 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:13:41,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:13:41,904 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:13:41,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41 WrapperNode [2020-11-28 03:13:41,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:13:41,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:41,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:13:41,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:13:41,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:13:41,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:13:41,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:13:41,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:13:41,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:41,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:42,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:42,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:42,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... [2020-11-28 03:13:42,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:13:42,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:13:42,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:13:42,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:13:42,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/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 03:13:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:13:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:13:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:13:42,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:13:43,002 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:13:43,002 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-28 03:13:43,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:43 BoogieIcfgContainer [2020-11-28 03:13:43,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:13:43,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:13:43,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:13:43,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:13:43,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:13:41" (1/3) ... [2020-11-28 03:13:43,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23eacddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:13:43, skipping insertion in model container [2020-11-28 03:13:43,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:13:41" (2/3) ... [2020-11-28 03:13:43,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23eacddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:13:43, skipping insertion in model container [2020-11-28 03:13:43,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:43" (3/3) ... [2020-11-28 03:13:43,017 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-11-28 03:13:43,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:13:43,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:13:43,046 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:13:43,079 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:13:43,079 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:13:43,080 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:13:43,080 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:13:43,080 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:13:43,080 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:13:43,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:13:43,081 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:13:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2020-11-28 03:13:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:13:43,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:13:43,109 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 03:13:43,109 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:13:43,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1280611484, now seen corresponding path program 1 times [2020-11-28 03:13:43,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:43,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359243187] [2020-11-28 03:13:43,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:43,353 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 03:13:43,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359243187] [2020-11-28 03:13:43,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:43,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:13:43,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805952981] [2020-11-28 03:13:43,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:13:43,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:43,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:13:43,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:13:43,378 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2020-11-28 03:13:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:43,423 INFO L93 Difference]: Finished difference Result 154 states and 231 transitions. [2020-11-28 03:13:43,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:13:43,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:13:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:13:43,437 INFO L225 Difference]: With dead ends: 154 [2020-11-28 03:13:43,437 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:13:43,443 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 03:13:43,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:13:43,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-28 03:13:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:13:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2020-11-28 03:13:43,499 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2020-11-28 03:13:43,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:13:43,500 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2020-11-28 03:13:43,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:13:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-11-28 03:13:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:13:43,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:13:43,503 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 03:13:43,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:13:43,503 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:13:43,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:43,507 INFO L82 PathProgramCache]: Analyzing trace with hash 877059811, now seen corresponding path program 1 times [2020-11-28 03:13:43,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:43,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770935661] [2020-11-28 03:13:43,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:13:43,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770935661] [2020-11-28 03:13:43,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:43,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:13:43,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790349426] [2020-11-28 03:13:43,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:13:43,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:13:43,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:13:43,679 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2020-11-28 03:13:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:43,690 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2020-11-28 03:13:43,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:13:43,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:13:43,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:13:43,691 INFO L225 Difference]: With dead ends: 75 [2020-11-28 03:13:43,692 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:13:43,692 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 03:13:43,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:13:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:13:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:13:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-28 03:13:43,698 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-11-28 03:13:43,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:13:43,698 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-28 03:13:43,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:13:43,698 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 03:13:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:13:43,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:13:43,700 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 03:13:43,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:13:43,700 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:13:43,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:43,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1568486346, now seen corresponding path program 1 times [2020-11-28 03:13:43,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:43,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161614118] [2020-11-28 03:13:43,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:43,860 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 03:13:43,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161614118] [2020-11-28 03:13:43,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:43,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:13:43,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871790164] [2020-11-28 03:13:43,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:13:43,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:43,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:13:43,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:13:43,862 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-28 03:13:43,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:43,875 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2020-11-28 03:13:43,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:13:43,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:13:43,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:13:43,881 INFO L225 Difference]: With dead ends: 63 [2020-11-28 03:13:43,881 INFO L226 Difference]: Without dead ends: 35 [2020-11-28 03:13:43,882 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 [2020-11-28 03:13:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-28 03:13:43,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-28 03:13:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-28 03:13:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2020-11-28 03:13:43,888 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2020-11-28 03:13:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:13:43,888 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2020-11-28 03:13:43,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:13:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2020-11-28 03:13:43,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:13:43,889 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:13:43,889 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 03:13:43,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:13:43,890 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:13:43,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:43,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1679469095, now seen corresponding path program 1 times [2020-11-28 03:13:43,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:43,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879521612] [2020-11-28 03:13:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:44,000 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 03:13:44,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879521612] [2020-11-28 03:13:44,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:44,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:13:44,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464716905] [2020-11-28 03:13:44,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:13:44,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:44,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:13:44,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:13:44,002 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2020-11-28 03:13:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:44,133 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2020-11-28 03:13:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:13:44,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-28 03:13:44,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:13:44,138 INFO L225 Difference]: With dead ends: 154 [2020-11-28 03:13:44,138 INFO L226 Difference]: Without dead ends: 126 [2020-11-28 03:13:44,138 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 03:13:44,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-11-28 03:13:44,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2020-11-28 03:13:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-28 03:13:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2020-11-28 03:13:44,158 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2020-11-28 03:13:44,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:13:44,158 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2020-11-28 03:13:44,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:13:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2020-11-28 03:13:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:13:44,159 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:13:44,160 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] [2020-11-28 03:13:44,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:13:44,160 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:13:44,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:13:44,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1573698991, now seen corresponding path program 1 times [2020-11-28 03:13:44,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:13:44,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374860461] [2020-11-28 03:13:44,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:13:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:13:44,278 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 03:13:44,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374860461] [2020-11-28 03:13:44,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:13:44,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:13:44,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930565552] [2020-11-28 03:13:44,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:13:44,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:13:44,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:13:44,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:13:44,281 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2020-11-28 03:13:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:13:44,369 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2020-11-28 03:13:44,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:13:44,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-11-28 03:13:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:13:44,370 INFO L225 Difference]: With dead ends: 150 [2020-11-28 03:13:44,371 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:13:44,372 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 03:13:44,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:13:44,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:13:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:13:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:13:44,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-28 03:13:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:13:44,373 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:13:44,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:13:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:13:44,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:13:44,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:13:44,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:13:44,604 INFO L274 CegarLoopResult]: For program point L547-2(lines 547 553) no Hoare annotation was computed. [2020-11-28 03:13:44,604 INFO L274 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-11-28 03:13:44,604 INFO L274 CegarLoopResult]: For program point L547-4(lines 547 553) no Hoare annotation was computed. [2020-11-28 03:13:44,604 INFO L274 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-11-28 03:13:44,605 INFO L274 CegarLoopResult]: For program point L415-3(lines 415 419) no Hoare annotation was computed. [2020-11-28 03:13:44,605 INFO L274 CegarLoopResult]: For program point L415-5(lines 415 419) no Hoare annotation was computed. [2020-11-28 03:13:44,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:13:44,605 INFO L274 CegarLoopResult]: For program point L415-6(lines 415 419) no Hoare annotation was computed. [2020-11-28 03:13:44,605 INFO L274 CegarLoopResult]: For program point L415-8(lines 415 419) no Hoare annotation was computed. [2020-11-28 03:13:44,605 INFO L270 CegarLoopResult]: At program point L531(lines 526 533) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:13:44,605 INFO L270 CegarLoopResult]: At program point L366(lines 361 369) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,605 INFO L270 CegarLoopResult]: At program point L366-1(lines 361 369) the Hoare annotation is: false [2020-11-28 03:13:44,606 INFO L270 CegarLoopResult]: At program point L366-2(lines 361 369) the Hoare annotation is: false [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L433-3(lines 433 437) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L433-6(lines 433 437) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-28 03:13:44,606 INFO L274 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-11-28 03:13:44,606 INFO L270 CegarLoopResult]: At program point L170(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L203-1(lines 203 209) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,607 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L270(lines 270 276) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L270-1(lines 270 276) the Hoare annotation is: false [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L270-2(lines 270 276) the Hoare annotation is: false [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L470(lines 465 473) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L470-1(lines 465 473) the Hoare annotation is: false [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L470-2(lines 465 473) the Hoare annotation is: false [2020-11-28 03:13:44,607 INFO L270 CegarLoopResult]: At program point L239(lines 192 240) the Hoare annotation is: false [2020-11-28 03:13:44,607 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point L520-1(line 520) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point L520-2(line 520) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L270 CegarLoopResult]: At program point L421(lines 406 424) the Hoare annotation is: false [2020-11-28 03:13:44,608 INFO L270 CegarLoopResult]: At program point L421-1(lines 406 424) the Hoare annotation is: false [2020-11-28 03:13:44,608 INFO L270 CegarLoopResult]: At program point L421-2(lines 406 424) the Hoare annotation is: false [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point L223(lines 223 234) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point L58-1(lines 263 269) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:13:44,608 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L457(lines 457 461) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L194(lines 193 238) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L270 CegarLoopResult]: At program point L178(lines 173 181) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L270 CegarLoopResult]: At program point L542-1(lines 1 928) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L542-2(lines 542 559) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L270 CegarLoopResult]: At program point L542-3(lines 1 928) the Hoare annotation is: false [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L542-4(lines 542 559) no Hoare annotation was computed. [2020-11-28 03:13:44,609 INFO L270 CegarLoopResult]: At program point L542-5(lines 1 928) the Hoare annotation is: false [2020-11-28 03:13:44,609 INFO L274 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L295-1(lines 295 312) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L295-2(lines 295 312) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L229-2(lines 263 269) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L270 CegarLoopResult]: At program point L213-1(lines 213 219) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,610 INFO L270 CegarLoopResult]: At program point L263(lines 262 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L263-1(lines 263 269) no Hoare annotation was computed. [2020-11-28 03:13:44,610 INFO L270 CegarLoopResult]: At program point L263-2(lines 262 281) the Hoare annotation is: false [2020-11-28 03:13:44,610 INFO L270 CegarLoopResult]: At program point L263-3(lines 262 281) the Hoare annotation is: false [2020-11-28 03:13:44,610 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L270 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: false [2020-11-28 03:13:44,611 INFO L270 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L270 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L546(lines 546 556) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L546-2(lines 546 556) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L546-4(lines 546 556) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L299-1(lines 299 307) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-11-28 03:13:44,611 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-28 03:13:44,612 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-28 03:13:44,612 INFO L274 CegarLoopResult]: For program point L547(lines 547 553) no Hoare annotation was computed. [2020-11-28 03:13:44,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:13:44 BoogieIcfgContainer [2020-11-28 03:13:44,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:13:44,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:13:44,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:13:44,639 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:13:44,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:13:43" (3/4) ... [2020-11-28 03:13:44,642 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:13:44,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:13:44,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:13:44,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:13:44,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:13:44,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:13:44,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:13:44,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:13:44,706 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:13:44,803 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6361ba09-0395-4bd5-b52b-ff06f8b674f8/bin/uautomizer/witness.graphml [2020-11-28 03:13:44,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:13:44,806 INFO L168 Benchmark]: Toolchain (without parser) took 3582.65 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 46.8 MB in the beginning and 44.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,806 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:13:44,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.80 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 46.6 MB in the beginning and 71.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.80 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 68.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,808 INFO L168 Benchmark]: Boogie Preprocessor took 46.07 ms. Allocated memory is still 104.9 MB. Free memory was 68.5 MB in the beginning and 66.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,808 INFO L168 Benchmark]: RCFGBuilder took 973.06 ms. Allocated memory is still 104.9 MB. Free memory was 66.4 MB in the beginning and 69.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,808 INFO L168 Benchmark]: TraceAbstraction took 1628.51 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 51.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,809 INFO L168 Benchmark]: Witness Printer took 164.53 ms. Allocated memory is still 104.9 MB. Free memory was 51.4 MB in the beginning and 44.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:13:44,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 83.9 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 678.80 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 46.6 MB in the beginning and 71.3 MB in the end (delta: -24.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.80 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 68.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.07 ms. Allocated memory is still 104.9 MB. Free memory was 68.5 MB in the beginning and 66.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 973.06 ms. Allocated memory is still 104.9 MB. Free memory was 66.4 MB in the beginning and 69.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1628.51 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 51.4 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Witness Printer took 164.53 ms. Allocated memory is still 104.9 MB. Free memory was 51.4 MB in the beginning and 44.6 MB in the end (delta: 6.8 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: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 284 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=82occurred 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, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1049 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...