./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/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 e091116155bef94531c8dcf2197eb34bed5ec812 .................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-11-30 00:38:59,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:38:59,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:38:59,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:38:59,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:38:59,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:38:59,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:38:59,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:38:59,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:38:59,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:38:59,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:38:59,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:38:59,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:38:59,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:38:59,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:38:59,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:38:59,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:38:59,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:38:59,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:38:59,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:38:59,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:38:59,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:38:59,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:38:59,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:38:59,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:38:59,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:38:59,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:38:59,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:38:59,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:38:59,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:38:59,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:38:59,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:38:59,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:38:59,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:38:59,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:38:59,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:38:59,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:38:59,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:38:59,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:38:59,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:38:59,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:38:59,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:39:00,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:39:00,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:39:00,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:39:00,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:39:00,025 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:39:00,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:39:00,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:39:00,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:39:00,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:39:00,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:39:00,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:39:00,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:39:00,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:39:00,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:39:00,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:39:00,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:39:00,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:39:00,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:39:00,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:39:00,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:39:00,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:39:00,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:39:00,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:39:00,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:39:00,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:39:00,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:39:00,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:39:00,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:39:00,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:39:00,034 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_9e535e24-40b1-4a50-8d74-8463924f35b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e091116155bef94531c8dcf2197eb34bed5ec812 [2020-11-30 00:39:00,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:39:00,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:39:00,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:39:00,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:39:00,452 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:39:00,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-30 00:39:00,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/data/cf34bf295/58b40cca5cb24536a2f3aaa61f1d44a0/FLAG8140e11fa [2020-11-30 00:39:01,377 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:39:01,388 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-30 00:39:01,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/data/cf34bf295/58b40cca5cb24536a2f3aaa61f1d44a0/FLAG8140e11fa [2020-11-30 00:39:01,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/data/cf34bf295/58b40cca5cb24536a2f3aaa61f1d44a0 [2020-11-30 00:39:01,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:39:01,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:39:01,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:39:01,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:39:01,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:39:01,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:39:01" (1/1) ... [2020-11-30 00:39:01,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c3800c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:01, skipping insertion in model container [2020-11-30 00:39:01,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:39:01" (1/1) ... [2020-11-30 00:39:01,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:39:01,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:39:02,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:39:02,184 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:39:02,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:39:02,371 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:39:02,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02 WrapperNode [2020-11-30 00:39:02,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:39:02,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:39:02,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:39:02,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:39:02,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:39:02,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:39:02,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:39:02,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:39:02,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... [2020-11-30 00:39:02,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:39:02,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:39:02,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:39:02,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:39:02,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/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 [2020-11-30 00:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:39:03,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:39:03,564 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-30 00:39:03,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:39:03 BoogieIcfgContainer [2020-11-30 00:39:03,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:39:03,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:39:03,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:39:03,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:39:03,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:39:01" (1/3) ... [2020-11-30 00:39:03,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eaa5cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:39:03, skipping insertion in model container [2020-11-30 00:39:03,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:39:02" (2/3) ... [2020-11-30 00:39:03,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eaa5cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:39:03, skipping insertion in model container [2020-11-30 00:39:03,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:39:03" (3/3) ... [2020-11-30 00:39:03,580 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-11-30 00:39:03,594 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:39:03,599 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:39:03,614 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:39:03,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:39:03,655 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:39:03,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:39:03,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:39:03,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:39:03,656 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:39:03,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:39:03,657 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:39:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-30 00:39:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:39:03,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:39:03,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:39:03,692 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:39:03,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:39:03,701 INFO L82 PathProgramCache]: Analyzing trace with hash 485436412, now seen corresponding path program 1 times [2020-11-30 00:39:03,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:39:03,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643148675] [2020-11-30 00:39:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:39:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:39:04,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643148675] [2020-11-30 00:39:04,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:39:04,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:39:04,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593251770] [2020-11-30 00:39:04,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:39:04,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:39:04,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:39:04,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:39:04,142 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-30 00:39:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:39:04,175 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-11-30 00:39:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:39:04,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:39:04,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:39:04,196 INFO L225 Difference]: With dead ends: 123 [2020-11-30 00:39:04,196 INFO L226 Difference]: Without dead ends: 59 [2020-11-30 00:39:04,208 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 [2020-11-30 00:39:04,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-30 00:39:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-30 00:39:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-30 00:39:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-11-30 00:39:04,284 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-11-30 00:39:04,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:39:04,285 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-30 00:39:04,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:39:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-30 00:39:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:39:04,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:39:04,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:39:04,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:39:04,289 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:39:04,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:39:04,293 INFO L82 PathProgramCache]: Analyzing trace with hash -425594341, now seen corresponding path program 1 times [2020-11-30 00:39:04,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:39:04,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872710025] [2020-11-30 00:39:04,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:39:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:39:04,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872710025] [2020-11-30 00:39:04,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:39:04,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:39:04,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511433063] [2020-11-30 00:39:04,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:39:04,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:39:04,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:39:04,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:39:04,500 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2020-11-30 00:39:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:39:04,518 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-11-30 00:39:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:39:04,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:39:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:39:04,522 INFO L225 Difference]: With dead ends: 59 [2020-11-30 00:39:04,523 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:39:04,524 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 [2020-11-30 00:39:04,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:39:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:39:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:39:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-30 00:39:04,541 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-11-30 00:39:04,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:39:04,542 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-30 00:39:04,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:39:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-30 00:39:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:39:04,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:39:04,544 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] [2020-11-30 00:39:04,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:39:04,546 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:39:04,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:39:04,547 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2020-11-30 00:39:04,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:39:04,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603126270] [2020-11-30 00:39:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:39:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:39:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:39:04,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603126270] [2020-11-30 00:39:04,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:39:04,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:39:04,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003734068] [2020-11-30 00:39:04,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:39:04,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:39:04,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:39:04,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:39:04,690 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-11-30 00:39:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:39:04,864 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2020-11-30 00:39:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:39:04,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 00:39:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:39:04,867 INFO L225 Difference]: With dead ends: 130 [2020-11-30 00:39:04,867 INFO L226 Difference]: Without dead ends: 107 [2020-11-30 00:39:04,868 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 [2020-11-30 00:39:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-30 00:39:04,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2020-11-30 00:39:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-30 00:39:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-11-30 00:39:04,889 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2020-11-30 00:39:04,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:39:04,890 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-11-30 00:39:04,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:39:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-11-30 00:39:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:39:04,892 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:39:04,893 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] [2020-11-30 00:39:04,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:39:04,893 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:39:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:39:04,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2020-11-30 00:39:04,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:39:04,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317291107] [2020-11-30 00:39:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:39:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:39:05,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:39:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:39:05,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:39:05,220 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:39:05,221 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:39:05,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:39:05,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:39:05 BoogieIcfgContainer [2020-11-30 00:39:05,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:39:05,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:39:05,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:39:05,383 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:39:05,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:39:03" (3/4) ... [2020-11-30 00:39:05,386 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:39:05,512 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e535e24-40b1-4a50-8d74-8463924f35b5/bin/uautomizer/witness.graphml [2020-11-30 00:39:05,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:39:05,516 INFO L168 Benchmark]: Toolchain (without parser) took 3887.70 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 54.3 MB in the beginning and 49.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,517 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:39:05,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.93 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 77.9 MB in the end (delta: -23.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.47 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 75.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,521 INFO L168 Benchmark]: Boogie Preprocessor took 43.19 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 73.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,522 INFO L168 Benchmark]: RCFGBuilder took 1078.62 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 58.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,523 INFO L168 Benchmark]: TraceAbstraction took 1811.08 ms. Allocated memory is still 109.1 MB. Free memory was 57.7 MB in the beginning and 60.4 MB in the end (delta: -2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:39:05,523 INFO L168 Benchmark]: Witness Printer took 131.67 ms. Allocated memory is still 109.1 MB. Free memory was 60.4 MB in the beginning and 49.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 81.8 MB. Free memory was 39.2 MB in the beginning and 39.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 740.93 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 77.9 MB in the end (delta: -23.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.47 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 75.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.19 ms. Allocated memory is still 109.1 MB. Free memory was 75.2 MB in the beginning and 73.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1078.62 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 58.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1811.08 ms. Allocated memory is still 109.1 MB. Free memory was 57.7 MB in the beginning and 60.4 MB in the end (delta: -2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 131.67 ms. Allocated memory is still 109.1 MB. Free memory was 60.4 MB in the beginning and 49.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 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: [L42] int cleanupTimeShifts = 4; [L226] int pumpRunning = 0; [L227] int systemActive = 1; [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L173] tmp = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] COND TRUE waterLevel < 2 [L807] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L354] int tmp ; [L355] int tmp___0 ; [L356] int tmp___1 ; [L827] int retValue_acc ; [L830] retValue_acc = methaneLevelCritical [L831] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L366] tmp___0 = getWaterLevel() [L368] COND TRUE tmp___0 == 2 [L307] int retValue_acc ; [L310] retValue_acc = pumpRunning [L311] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L370] tmp___1 = isPumpRunning() [L372] 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_product09.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, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...