./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.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_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/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 c534e2971bdf18360cf74a44c61943e42e7f6f94 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:58:43,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:58:43,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:58:43,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:58:43,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:58:43,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:58:43,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:58:43,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:58:43,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:58:43,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:58:43,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:58:43,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:58:43,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:58:43,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:58:43,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:58:43,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:58:43,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:58:43,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:58:43,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:58:43,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:58:43,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:58:43,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:58:43,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:58:43,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:58:43,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:58:43,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:58:43,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:58:43,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:58:43,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:58:43,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:58:43,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:58:43,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:58:43,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:58:43,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:58:43,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:58:43,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:58:43,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:58:43,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:58:43,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:58:43,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:58:43,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:58:43,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:58:43,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:58:43,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:58:43,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:58:43,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:58:43,944 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:58:43,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:58:43,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:58:43,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:58:43,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:58:43,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:58:43,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:58:43,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:58:43,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:58:43,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:58:43,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:58:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:58:43,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:58:43,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:58:43,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:58:43,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:58:43,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:58:43,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:58:43,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:58:43,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:58:43,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:58:43,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:58:43,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:58:43,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:58:43,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:58:43,953 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_340dff6e-2c75-4477-a4fb-45069ba9f971/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c534e2971bdf18360cf74a44c61943e42e7f6f94 [2020-11-29 19:58:44,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:58:44,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:58:44,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:58:44,267 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:58:44,268 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:58:44,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2020-11-29 19:58:44,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/data/59d46d9fa/e4ca896b967f423994df4c3513c55259/FLAGbe31926c3 [2020-11-29 19:58:44,987 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:58:44,987 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2020-11-29 19:58:45,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/data/59d46d9fa/e4ca896b967f423994df4c3513c55259/FLAGbe31926c3 [2020-11-29 19:58:45,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/data/59d46d9fa/e4ca896b967f423994df4c3513c55259 [2020-11-29 19:58:45,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:58:45,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:58:45,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:58:45,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:58:45,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:58:45,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80b3608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45, skipping insertion in model container [2020-11-29 19:58:45,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:58:45,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:58:45,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:58:45,736 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:58:45,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:58:45,886 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:58:45,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45 WrapperNode [2020-11-29 19:58:45,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:58:45,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:58:45,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:58:45,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:58:45,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:58:45,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:58:45,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:58:45,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:58:45,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:45,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:46,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:46,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... [2020-11-29 19:58:46,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:58:46,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:58:46,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:58:46,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:58:46,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:58:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:58:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:58:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:58:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:58:47,111 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:58:47,112 INFO L298 CfgBuilder]: Removed 82 assume(true) statements. [2020-11-29 19:58:47,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:58:47 BoogieIcfgContainer [2020-11-29 19:58:47,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:58:47,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:58:47,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:58:47,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:58:47,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:58:45" (1/3) ... [2020-11-29 19:58:47,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d370150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:58:47, skipping insertion in model container [2020-11-29 19:58:47,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:58:45" (2/3) ... [2020-11-29 19:58:47,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d370150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:58:47, skipping insertion in model container [2020-11-29 19:58:47,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:58:47" (3/3) ... [2020-11-29 19:58:47,126 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2020-11-29 19:58:47,137 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:58:47,142 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 19:58:47,155 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 19:58:47,186 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:58:47,186 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:58:47,187 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:58:47,187 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:58:47,187 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:58:47,187 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:58:47,187 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:58:47,187 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:58:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-11-29 19:58:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:58:47,210 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:58:47,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:58:47,211 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:58:47,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:58:47,217 INFO L82 PathProgramCache]: Analyzing trace with hash 378536949, now seen corresponding path program 1 times [2020-11-29 19:58:47,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:58:47,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390275998] [2020-11-29 19:58:47,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:58:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:58:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:58:47,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390275998] [2020-11-29 19:58:47,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:58:47,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:58:47,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250245452] [2020-11-29 19:58:47,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:58:47,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:58:47,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:58:47,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:58:47,642 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states. [2020-11-29 19:58:47,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:58:47,680 INFO L93 Difference]: Finished difference Result 127 states and 188 transitions. [2020-11-29 19:58:47,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:58:47,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 19:58:47,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:58:47,702 INFO L225 Difference]: With dead ends: 127 [2020-11-29 19:58:47,703 INFO L226 Difference]: Without dead ends: 61 [2020-11-29 19:58:47,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:58:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-11-29 19:58:47,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-11-29 19:58:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-11-29 19:58:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2020-11-29 19:58:47,760 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2020-11-29 19:58:47,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:58:47,761 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2020-11-29 19:58:47,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:58:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-11-29 19:58:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 19:58:47,764 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:58:47,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:58:47,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:58:47,765 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:58:47,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:58:47,768 INFO L82 PathProgramCache]: Analyzing trace with hash -2104856444, now seen corresponding path program 1 times [2020-11-29 19:58:47,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:58:47,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437917895] [2020-11-29 19:58:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:58:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:58:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:58:47,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437917895] [2020-11-29 19:58:47,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:58:47,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:58:47,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277642884] [2020-11-29 19:58:47,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:58:47,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:58:47,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:58:47,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:58:47,954 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2020-11-29 19:58:47,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:58:47,970 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2020-11-29 19:58:47,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:58:47,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 19:58:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:58:47,975 INFO L225 Difference]: With dead ends: 61 [2020-11-29 19:58:47,975 INFO L226 Difference]: Without dead ends: 31 [2020-11-29 19:58:47,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:58:47,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-29 19:58:47,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-29 19:58:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-29 19:58:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-11-29 19:58:47,997 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2020-11-29 19:58:47,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:58:47,998 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-11-29 19:58:47,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:58:47,999 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-11-29 19:58:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:58:48,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:58:48,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:58:48,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:58:48,002 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:58:48,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:58:48,003 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2020-11-29 19:58:48,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:58:48,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373136309] [2020-11-29 19:58:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:58:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:58:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:58:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373136309] [2020-11-29 19:58:48,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:58:48,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:58:48,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965490791] [2020-11-29 19:58:48,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:58:48,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:58:48,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:58:48,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:58:48,135 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2020-11-29 19:58:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:58:48,158 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2020-11-29 19:58:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:58:48,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 19:58:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:58:48,162 INFO L225 Difference]: With dead ends: 81 [2020-11-29 19:58:48,163 INFO L226 Difference]: Without dead ends: 56 [2020-11-29 19:58:48,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:58:48,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-29 19:58:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-11-29 19:58:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-29 19:58:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-11-29 19:58:48,181 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2020-11-29 19:58:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:58:48,182 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-11-29 19:58:48,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:58:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-11-29 19:58:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 19:58:48,184 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:58:48,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:58:48,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:58:48,186 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:58:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:58:48,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2020-11-29 19:58:48,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:58:48,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765517839] [2020-11-29 19:58:48,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:58:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:58:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:58:48,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765517839] [2020-11-29 19:58:48,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:58:48,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:58:48,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685567725] [2020-11-29 19:58:48,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:58:48,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:58:48,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:58:48,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:58:48,316 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-11-29 19:58:48,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:58:48,467 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2020-11-29 19:58:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 19:58:48,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-29 19:58:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:58:48,473 INFO L225 Difference]: With dead ends: 264 [2020-11-29 19:58:48,473 INFO L226 Difference]: Without dead ends: 218 [2020-11-29 19:58:48,474 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 [2020-11-29 19:58:48,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-11-29 19:58:48,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2020-11-29 19:58:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-29 19:58:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2020-11-29 19:58:48,513 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2020-11-29 19:58:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:58:48,513 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2020-11-29 19:58:48,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:58:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2020-11-29 19:58:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:58:48,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:58:48,514 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] [2020-11-29 19:58:48,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:58:48,515 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:58:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:58:48,515 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2020-11-29 19:58:48,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:58:48,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406617461] [2020-11-29 19:58:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:58:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:58:48,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:58:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:58:48,655 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:58:48,694 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:58:48,694 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:58:48,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:58:48,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:58:48 BoogieIcfgContainer [2020-11-29 19:58:48,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:58:48,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:58:48,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:58:48,801 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:58:48,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:58:47" (3/4) ... [2020-11-29 19:58:48,803 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:58:48,909 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_340dff6e-2c75-4477-a4fb-45069ba9f971/bin/uautomizer/witness.graphml [2020-11-29 19:58:48,909 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:58:48,911 INFO L168 Benchmark]: Toolchain (without parser) took 3605.61 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 61.8 MB in the beginning and 54.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,912 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:58:48,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.70 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 60.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.05 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 57.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,913 INFO L168 Benchmark]: Boogie Preprocessor took 68.38 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,914 INFO L168 Benchmark]: RCFGBuilder took 1081.38 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.5 MB in the beginning and 68.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,914 INFO L168 Benchmark]: TraceAbstraction took 1683.83 ms. Allocated memory is still 117.4 MB. Free memory was 67.8 MB in the beginning and 64.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,914 INFO L168 Benchmark]: Witness Printer took 108.80 ms. Allocated memory is still 117.4 MB. Free memory was 64.5 MB in the beginning and 54.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:58:48,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory was 51.8 MB in the beginning and 51.7 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 576.70 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 60.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.05 ms. Allocated memory is still 92.3 MB. Free memory was 60.1 MB in the beginning and 57.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.38 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 55.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1081.38 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.5 MB in the beginning and 68.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1683.83 ms. Allocated memory is still 117.4 MB. Free memory was 67.8 MB in the beginning and 64.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 108.80 ms. Allocated memory is still 117.4 MB. Free memory was 64.5 MB in the beginning and 54.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L80] int cleanupTimeShifts = 4; [L388] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] int retValue_acc ; [L162] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L210] int retValue_acc ; [L213] retValue_acc = 1 [L214] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L168] tmp = valid_product() [L170] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L731] int splverifierCounter ; [L732] int tmp ; [L733] int tmp___0 ; [L734] int tmp___1 ; [L735] int tmp___2 ; [L738] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L740] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L742] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L748] tmp = __VERIFIER_nondet_int() [L750] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L758] tmp___0 = __VERIFIER_nondet_int() [L760] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L768] tmp___2 = __VERIFIER_nondet_int() [L770] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] tmp = isMethaneLevelCritical() [L55] COND FALSE !(\read(tmp)) [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L59] tmp___0 = getWaterLevel() [L61] COND TRUE tmp___0 == 2 [L670] int retValue_acc ; [L673] retValue_acc = pumpRunning [L674] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] tmp___1 = isPumpRunning() [L65] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product11.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 68 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...