./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/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 caf966c06e7a2ed1fef83368f628eae41da528db .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:58:24,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:24,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:24,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:24,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:24,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:24,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:24,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:24,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:24,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:24,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:24,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:24,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:24,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:24,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:24,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:24,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:24,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:24,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:24,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:24,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:24,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:24,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:24,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:24,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:24,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:24,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:24,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:24,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:24,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:24,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:24,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:24,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:24,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:24,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:24,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:24,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:24,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:24,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:24,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:24,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:24,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:58:24,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:24,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:24,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:24,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:24,950 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:24,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:24,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:58:24,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:24,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:58:24,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:24,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:58:24,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:58:24,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:58:24,952 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:58:24,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:24,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:24,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:58:24,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:24,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:24,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:58:24,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:58:24,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:58:24,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:24,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:58:24,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:58:24,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:24,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:58:24,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:58:24,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:24,956 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_feb406ca-757e-4fab-bc67-94ecafb05d53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2020-11-28 02:58:25,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:25,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:25,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:25,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:25,285 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:25,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-28 02:58:25,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/data/a7c996ffc/9252d08375a346a083030d690b313bd8/FLAG933663568 [2020-11-28 02:58:25,891 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:25,892 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-28 02:58:25,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/data/a7c996ffc/9252d08375a346a083030d690b313bd8/FLAG933663568 [2020-11-28 02:58:26,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/data/a7c996ffc/9252d08375a346a083030d690b313bd8 [2020-11-28 02:58:26,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:26,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:26,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:26,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:26,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:26,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8702f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26, skipping insertion in model container [2020-11-28 02:58:26,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:26,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:26,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:26,595 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:26,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:26,720 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:26,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26 WrapperNode [2020-11-28 02:58:26,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:26,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:26,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:26,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:26,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:26,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:26,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:26,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:26,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... [2020-11-28 02:58:26,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:26,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:26,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:26,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:26,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/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 02:58:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:58:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:58:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:27,867 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:27,868 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 02:58:27,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:27 BoogieIcfgContainer [2020-11-28 02:58:27,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:27,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:58:27,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:58:27,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:58:27,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:58:26" (1/3) ... [2020-11-28 02:58:27,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4288b005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:27, skipping insertion in model container [2020-11-28 02:58:27,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:26" (2/3) ... [2020-11-28 02:58:27,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4288b005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:58:27, skipping insertion in model container [2020-11-28 02:58:27,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:27" (3/3) ... [2020-11-28 02:58:27,880 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-11-28 02:58:27,894 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:58:27,899 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:58:27,910 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:58:27,947 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:58:27,947 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:58:27,947 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:58:27,947 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:27,947 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:27,947 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:58:27,947 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:27,948 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:58:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-11-28 02:58:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 02:58:27,974 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:27,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:27,975 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:27,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-11-28 02:58:27,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:27,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908477567] [2020-11-28 02:58:27,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:28,247 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 02:58:28,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908477567] [2020-11-28 02:58:28,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:28,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:58:28,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820009420] [2020-11-28 02:58:28,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:58:28,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:28,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:58:28,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:58:28,272 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-11-28 02:58:28,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:28,314 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-11-28 02:58:28,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:58:28,316 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 02:58:28,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:28,337 INFO L225 Difference]: With dead ends: 139 [2020-11-28 02:58:28,337 INFO L226 Difference]: Without dead ends: 67 [2020-11-28 02:58:28,342 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 02:58:28,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-28 02:58:28,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-11-28 02:58:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-11-28 02:58:28,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-11-28 02:58:28,378 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-11-28 02:58:28,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:28,379 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-11-28 02:58:28,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:58:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-28 02:58:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 02:58:28,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:28,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:28,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:58:28,381 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-11-28 02:58:28,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:28,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755110591] [2020-11-28 02:58:28,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:28,488 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 02:58:28,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755110591] [2020-11-28 02:58:28,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:28,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:58:28,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241895162] [2020-11-28 02:58:28,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:58:28,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:28,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:58:28,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:58:28,491 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-11-28 02:58:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:28,508 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-11-28 02:58:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:58:28,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 02:58:28,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:28,509 INFO L225 Difference]: With dead ends: 67 [2020-11-28 02:58:28,509 INFO L226 Difference]: Without dead ends: 33 [2020-11-28 02:58:28,510 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 02:58:28,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-28 02:58:28,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-28 02:58:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 02:58:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-28 02:58:28,516 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-11-28 02:58:28,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:28,516 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-28 02:58:28,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:58:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-28 02:58:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 02:58:28,517 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:28,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:28,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:58:28,518 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:28,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:28,519 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-11-28 02:58:28,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:28,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74879462] [2020-11-28 02:58:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:28,721 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 02:58:28,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74879462] [2020-11-28 02:58:28,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:28,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:58:28,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112514822] [2020-11-28 02:58:28,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:28,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:28,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:28,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:28,724 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-11-28 02:58:28,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:28,936 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-11-28 02:58:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:28,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-28 02:58:28,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:28,938 INFO L225 Difference]: With dead ends: 83 [2020-11-28 02:58:28,939 INFO L226 Difference]: Without dead ends: 56 [2020-11-28 02:58:28,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:58:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-28 02:58:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-11-28 02:58:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-28 02:58:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-28 02:58:28,949 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-11-28 02:58:28,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:28,950 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-28 02:58:28,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-28 02:58:28,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 02:58:28,951 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:28,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:58:28,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:58:28,952 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:28,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:28,953 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-11-28 02:58:28,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:28,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53075436] [2020-11-28 02:58:28,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:29,087 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 02:58:29,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53075436] [2020-11-28 02:58:29,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:29,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:29,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162927561] [2020-11-28 02:58:29,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:29,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:29,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:29,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:29,089 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-11-28 02:58:29,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:29,218 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2020-11-28 02:58:29,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:58:29,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-28 02:58:29,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:29,221 INFO L225 Difference]: With dead ends: 189 [2020-11-28 02:58:29,221 INFO L226 Difference]: Without dead ends: 143 [2020-11-28 02:58:29,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:58:29,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-11-28 02:58:29,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2020-11-28 02:58:29,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-28 02:58:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-11-28 02:58:29,238 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2020-11-28 02:58:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:29,239 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-11-28 02:58:29,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-11-28 02:58:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:58:29,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:58:29,240 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 02:58:29,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:58:29,241 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:58:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:29,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2020-11-28 02:58:29,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:29,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091626801] [2020-11-28 02:58:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:58:29,368 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 02:58:29,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091626801] [2020-11-28 02:58:29,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:58:29,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:58:29,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212730655] [2020-11-28 02:58:29,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:58:29,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:58:29,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:58:29,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:58:29,370 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 5 states. [2020-11-28 02:58:29,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:58:29,496 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2020-11-28 02:58:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:58:29,500 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:58:29,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:58:29,501 INFO L225 Difference]: With dead ends: 232 [2020-11-28 02:58:29,501 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:58:29,503 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 02:58:29,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:58:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:58:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:58:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:58:29,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 02:58:29,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:58:29,504 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:58:29,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:58:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:58:29,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:58:29,504 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:58:29,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:58:30,105 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:30,105 INFO L270 CegarLoopResult]: At program point L746(lines 739 749) the Hoare annotation is: false [2020-11-28 02:58:30,105 INFO L270 CegarLoopResult]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2020-11-28 02:58:30,106 INFO L270 CegarLoopResult]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2020-11-28 02:58:30,106 INFO L274 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-11-28 02:58:30,106 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:58:30,106 INFO L274 CegarLoopResult]: For program point L548-1(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:58:30,106 INFO L274 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed. [2020-11-28 02:58:30,106 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:58:30,106 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:58:30,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:58:30,107 INFO L274 CegarLoopResult]: For program point L831(lines 831 837) no Hoare annotation was computed. [2020-11-28 02:58:30,107 INFO L274 CegarLoopResult]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2020-11-28 02:58:30,107 INFO L274 CegarLoopResult]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2020-11-28 02:58:30,107 INFO L274 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-11-28 02:58:30,107 INFO L277 CegarLoopResult]: At program point L617-1(lines 617 624) the Hoare annotation is: true [2020-11-28 02:58:30,107 INFO L274 CegarLoopResult]: For program point L865(lines 865 871) no Hoare annotation was computed. [2020-11-28 02:58:30,108 INFO L270 CegarLoopResult]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,108 INFO L274 CegarLoopResult]: For program point L799(lines 799 805) no Hoare annotation was computed. [2020-11-28 02:58:30,108 INFO L270 CegarLoopResult]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,108 INFO L274 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-11-28 02:58:30,108 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-11-28 02:58:30,108 INFO L274 CegarLoopResult]: For program point L635-2(line 635) no Hoare annotation was computed. [2020-11-28 02:58:30,109 INFO L274 CegarLoopResult]: For program point L470(lines 470 474) no Hoare annotation was computed. [2020-11-28 02:58:30,109 INFO L274 CegarLoopResult]: For program point L685(lines 685 702) no Hoare annotation was computed. [2020-11-28 02:58:30,109 INFO L274 CegarLoopResult]: For program point L685-1(lines 685 702) no Hoare annotation was computed. [2020-11-28 02:58:30,109 INFO L274 CegarLoopResult]: For program point L685-2(lines 685 702) no Hoare annotation was computed. [2020-11-28 02:58:30,109 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:58:30,109 INFO L270 CegarLoopResult]: At program point L653(lines 652 671) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,110 INFO L274 CegarLoopResult]: For program point L653-1(lines 653 659) no Hoare annotation was computed. [2020-11-28 02:58:30,110 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,110 INFO L270 CegarLoopResult]: At program point L653-2(lines 652 671) the Hoare annotation is: false [2020-11-28 02:58:30,110 INFO L270 CegarLoopResult]: At program point L653-3(lines 652 671) the Hoare annotation is: false [2020-11-28 02:58:30,110 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:30,110 INFO L274 CegarLoopResult]: For program point L885(lines 885 900) no Hoare annotation was computed. [2020-11-28 02:58:30,111 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:58:30,111 INFO L270 CegarLoopResult]: At program point L755(lines 750 758) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,111 INFO L270 CegarLoopResult]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2020-11-28 02:58:30,111 INFO L274 CegarLoopResult]: For program point L689(lines 689 697) no Hoare annotation was computed. [2020-11-28 02:58:30,111 INFO L270 CegarLoopResult]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2020-11-28 02:58:30,111 INFO L274 CegarLoopResult]: For program point L689-1(lines 689 697) no Hoare annotation was computed. [2020-11-28 02:58:30,112 INFO L274 CegarLoopResult]: For program point L689-2(lines 689 697) no Hoare annotation was computed. [2020-11-28 02:58:30,112 INFO L274 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-28 02:58:30,112 INFO L274 CegarLoopResult]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2020-11-28 02:58:30,112 INFO L274 CegarLoopResult]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2020-11-28 02:58:30,112 INFO L270 CegarLoopResult]: At program point L905(lines 854 906) the Hoare annotation is: false [2020-11-28 02:58:30,112 INFO L274 CegarLoopResult]: For program point L856(lines 855 904) no Hoare annotation was computed. [2020-11-28 02:58:30,112 INFO L274 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-11-28 02:58:30,113 INFO L277 CegarLoopResult]: At program point L626(lines 607 629) the Hoare annotation is: true [2020-11-28 02:58:30,113 INFO L270 CegarLoopResult]: At program point L593(lines 589 595) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,119 INFO L270 CegarLoopResult]: At program point L527(lines 522 530) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,120 INFO L270 CegarLoopResult]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2020-11-28 02:58:30,120 INFO L270 CegarLoopResult]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2020-11-28 02:58:30,120 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:58:30,120 INFO L270 CegarLoopResult]: At program point L544-2(lines 544 558) the Hoare annotation is: false [2020-11-28 02:58:30,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:58:30,121 INFO L270 CegarLoopResult]: At program point L660(lines 660 666) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,121 INFO L270 CegarLoopResult]: At program point L660-1(lines 660 666) the Hoare annotation is: false [2020-11-28 02:58:30,121 INFO L270 CegarLoopResult]: At program point L660-2(lines 660 666) the Hoare annotation is: false [2020-11-28 02:58:30,121 INFO L270 CegarLoopResult]: At program point L495(lines 490 498) the Hoare annotation is: false [2020-11-28 02:58:30,121 INFO L270 CegarLoopResult]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2020-11-28 02:58:30,121 INFO L270 CegarLoopResult]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2020-11-28 02:58:30,122 INFO L274 CegarLoopResult]: For program point L875(lines 875 881) no Hoare annotation was computed. [2020-11-28 02:58:30,122 INFO L270 CegarLoopResult]: At program point L875-1(lines 875 881) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,122 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 02:58:30,122 INFO L270 CegarLoopResult]: At program point L67(lines 1 912) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-28 02:58:30,123 INFO L274 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-11-28 02:58:30,123 INFO L270 CegarLoopResult]: At program point L893-1(lines 653 659) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,125 INFO L274 CegarLoopResult]: For program point L827(lines 827 840) no Hoare annotation was computed. [2020-11-28 02:58:30,125 INFO L270 CegarLoopResult]: At program point L827-1(lines 1 912) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 02:58:30,125 INFO L274 CegarLoopResult]: For program point L827-2(lines 827 840) no Hoare annotation was computed. [2020-11-28 02:58:30,126 INFO L270 CegarLoopResult]: At program point L827-3(lines 1 912) the Hoare annotation is: false [2020-11-28 02:58:30,127 INFO L274 CegarLoopResult]: For program point L827-4(lines 827 840) no Hoare annotation was computed. [2020-11-28 02:58:30,128 INFO L270 CegarLoopResult]: At program point L827-5(lines 1 912) the Hoare annotation is: false [2020-11-28 02:58:30,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:58:30 BoogieIcfgContainer [2020-11-28 02:58:30,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:58:30,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:30,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:30,169 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:30,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:27" (3/4) ... [2020-11-28 02:58:30,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:58:30,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:58:30,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:58:30,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:58:30,192 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:58:30,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:58:30,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:30,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:58:30,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:58:30,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-28 02:58:30,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,224 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,224 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,225 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,226 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,228 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,229 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 02:58:30,284 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_feb406ca-757e-4fab-bc67-94ecafb05d53/bin/uautomizer/witness.graphml [2020-11-28 02:58:30,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:30,287 INFO L168 Benchmark]: Toolchain (without parser) took 4037.04 ms. Allocated memory was 92.3 MB in the beginning and 136.3 MB in the end (delta: 44.0 MB). Free memory was 63.3 MB in the beginning and 94.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,287 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:30,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.71 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 60.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.27 ms. Allocated memory is still 92.3 MB. Free memory was 60.0 MB in the beginning and 56.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,288 INFO L168 Benchmark]: Boogie Preprocessor took 83.26 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,289 INFO L168 Benchmark]: RCFGBuilder took 967.43 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.8 MB in the beginning and 84.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,289 INFO L168 Benchmark]: TraceAbstraction took 2295.93 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 83.7 MB in the beginning and 100.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,289 INFO L168 Benchmark]: Witness Printer took 115.76 ms. Allocated memory is still 136.3 MB. Free memory was 100.5 MB in the beginning and 94.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:30,292 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 92.3 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 471.71 ms. Allocated memory is still 92.3 MB. Free memory was 63.1 MB in the beginning and 60.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.27 ms. Allocated memory is still 92.3 MB. Free memory was 60.0 MB in the beginning and 56.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.26 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 967.43 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 54.8 MB in the beginning and 84.4 MB in the end (delta: -29.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2295.93 ms. Allocated memory was 111.1 MB in the beginning and 136.3 MB in the end (delta: 25.2 MB). Free memory was 83.7 MB in the beginning and 100.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * Witness Printer took 115.76 ms. Allocated memory is still 136.3 MB. Free memory was 100.5 MB in the beginning and 94.2 MB in the end (delta: 6.3 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: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 308 SDtfs, 451 SDslu, 258 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1953 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...