./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.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_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/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 860ff1846e87757b91c6aac79a03ba005ad35e34 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:57:13,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:57:13,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:57:13,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:57:13,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:57:13,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:57:13,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:57:13,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:57:13,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:57:13,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:57:13,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:57:13,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:57:13,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:57:13,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:57:13,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:57:13,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:57:13,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:57:13,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:57:13,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:57:13,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:57:13,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:57:13,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:57:13,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:57:13,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:57:13,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:57:13,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:57:13,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:57:13,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:57:13,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:57:13,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:57:13,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:57:13,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:57:13,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:57:13,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:57:13,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:57:13,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:57:13,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:57:13,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:57:13,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:57:13,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:57:13,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:57:13,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:57:13,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:57:13,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:57:13,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:57:13,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:57:13,908 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:57:13,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:57:13,908 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:57:13,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:57:13,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:57:13,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:57:13,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:57:13,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:57:13,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:57:13,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:57:13,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:57:13,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:57:13,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:57:13,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:57:13,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:57:13,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:57:13,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:57:13,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:57:13,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:57:13,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:57:13,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:57:13,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:57:13,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:57:13,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:57:13,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:57:13,915 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_12581d16-3026-4f97-b205-5eb8fc02315e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 860ff1846e87757b91c6aac79a03ba005ad35e34 [2020-11-29 23:57:14,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:57:14,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:57:14,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:57:14,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:57:14,220 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:57:14,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2020-11-29 23:57:14,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/data/84500b470/c190ea008f3d4c1da5195c22ee125d06/FLAGf7306c3a9 [2020-11-29 23:57:14,835 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:57:14,836 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/sv-benchmarks/c/product-lines/minepump_spec3_product13.cil.c [2020-11-29 23:57:14,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/data/84500b470/c190ea008f3d4c1da5195c22ee125d06/FLAGf7306c3a9 [2020-11-29 23:57:15,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/data/84500b470/c190ea008f3d4c1da5195c22ee125d06 [2020-11-29 23:57:15,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:57:15,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:57:15,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:15,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:57:15,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:57:15,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30376914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15, skipping insertion in model container [2020-11-29 23:57:15,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:57:15,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:57:15,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:15,539 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:57:15,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:57:15,718 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:57:15,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15 WrapperNode [2020-11-29 23:57:15,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:57:15,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:15,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:57:15,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:57:15,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:57:15,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:57:15,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:57:15,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:57:15,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... [2020-11-29 23:57:15,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:57:15,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:57:15,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:57:15,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:57:15,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/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 23:57:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:57:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:57:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:57:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:57:16,943 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:57:16,943 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-29 23:57:16,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:16 BoogieIcfgContainer [2020-11-29 23:57:16,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:57:16,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:57:16,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:57:16,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:57:16,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:57:15" (1/3) ... [2020-11-29 23:57:16,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e4069a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:57:16, skipping insertion in model container [2020-11-29 23:57:16,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:57:15" (2/3) ... [2020-11-29 23:57:16,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e4069a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:57:16, skipping insertion in model container [2020-11-29 23:57:16,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:16" (3/3) ... [2020-11-29 23:57:16,954 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2020-11-29 23:57:16,966 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:57:16,970 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 23:57:16,988 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:57:17,022 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:57:17,022 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:57:17,022 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:57:17,022 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:57:17,022 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:57:17,023 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:57:17,023 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:57:17,023 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:57:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-29 23:57:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:57:17,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:17,045 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 23:57:17,046 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:17,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:17,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1829990459, now seen corresponding path program 1 times [2020-11-29 23:57:17,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:17,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986241221] [2020-11-29 23:57:17,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,378 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 23:57:17,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986241221] [2020-11-29 23:57:17,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:17,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:57:17,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395186550] [2020-11-29 23:57:17,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:57:17,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:17,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:57:17,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:57:17,405 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-29 23:57:17,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:17,447 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-11-29 23:57:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:57:17,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 23:57:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:17,463 INFO L225 Difference]: With dead ends: 147 [2020-11-29 23:57:17,463 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 23:57:17,473 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 23:57:17,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 23:57:17,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-11-29 23:57:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 23:57:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-11-29 23:57:17,537 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2020-11-29 23:57:17,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:17,538 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-11-29 23:57:17,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:57:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-29 23:57:17,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:57:17,541 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:17,541 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 23:57:17,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:57:17,542 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:17,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:17,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1553946084, now seen corresponding path program 1 times [2020-11-29 23:57:17,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:17,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431531383] [2020-11-29 23:57:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,745 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 23:57:17,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431531383] [2020-11-29 23:57:17,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:17,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:57:17,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257615145] [2020-11-29 23:57:17,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:57:17,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:17,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:57:17,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:57:17,748 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-11-29 23:57:17,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:17,764 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-11-29 23:57:17,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:57:17,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 23:57:17,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:17,767 INFO L225 Difference]: With dead ends: 71 [2020-11-29 23:57:17,768 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 23:57:17,769 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 23:57:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 23:57:17,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 23:57:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:57:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-11-29 23:57:17,775 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-11-29 23:57:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:17,776 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-11-29 23:57:17,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:57:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-11-29 23:57:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:57:17,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:17,779 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 23:57:17,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:57:17,780 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:17,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:17,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2020-11-29 23:57:17,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:17,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168321158] [2020-11-29 23:57:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:17,949 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 23:57:17,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168321158] [2020-11-29 23:57:17,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:17,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 23:57:17,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076635918] [2020-11-29 23:57:17,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 23:57:17,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:17,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 23:57:17,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:57:17,951 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-11-29 23:57:18,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:18,153 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-11-29 23:57:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:57:18,154 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-29 23:57:18,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:18,156 INFO L225 Difference]: With dead ends: 60 [2020-11-29 23:57:18,156 INFO L226 Difference]: Without dead ends: 33 [2020-11-29 23:57:18,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:57:18,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-29 23:57:18,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-29 23:57:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-29 23:57:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-11-29 23:57:18,170 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-11-29 23:57:18,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:18,171 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-11-29 23:57:18,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 23:57:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-29 23:57:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 23:57:18,173 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:18,173 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 23:57:18,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:57:18,175 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:18,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:18,175 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2020-11-29 23:57:18,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:18,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618824947] [2020-11-29 23:57:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:18,299 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 23:57:18,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618824947] [2020-11-29 23:57:18,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:57:18,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:57:18,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269278093] [2020-11-29 23:57:18,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 23:57:18,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:57:18,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 23:57:18,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:57:18,302 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-11-29 23:57:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:57:18,429 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2020-11-29 23:57:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:57:18,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-11-29 23:57:18,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:57:18,435 INFO L225 Difference]: With dead ends: 158 [2020-11-29 23:57:18,436 INFO L226 Difference]: Without dead ends: 131 [2020-11-29 23:57:18,436 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 23:57:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-11-29 23:57:18,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2020-11-29 23:57:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-11-29 23:57:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-11-29 23:57:18,455 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2020-11-29 23:57:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:57:18,456 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-11-29 23:57:18,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 23:57:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-11-29 23:57:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:57:18,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:57:18,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:57:18,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:57:18,458 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:57:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:57:18,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2020-11-29 23:57:18,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:57:18,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456245090] [2020-11-29 23:57:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:57:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:18,552 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:57:18,632 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:57:18,682 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:57:18,682 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 23:57:18,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 23:57:18,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:57:18 BoogieIcfgContainer [2020-11-29 23:57:18,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:57:18,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:57:18,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:57:18,813 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:57:18,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:57:16" (3/4) ... [2020-11-29 23:57:18,816 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 23:57:18,942 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12581d16-3026-4f97-b205-5eb8fc02315e/bin/uautomizer/witness.graphml [2020-11-29 23:57:18,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:57:18,944 INFO L168 Benchmark]: Toolchain (without parser) took 3816.72 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 71.2 MB in the beginning and 39.6 MB in the end (delta: 31.6 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,945 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:18,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.39 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 70.9 MB in the beginning and 84.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.16 ms. Allocated memory is still 117.4 MB. Free memory was 84.6 MB in the beginning and 81.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,949 INFO L168 Benchmark]: Boogie Preprocessor took 39.78 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,949 INFO L168 Benchmark]: RCFGBuilder took 1109.23 ms. Allocated memory is still 117.4 MB. Free memory was 79.2 MB in the beginning and 63.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,950 INFO L168 Benchmark]: TraceAbstraction took 1865.38 ms. Allocated memory is still 117.4 MB. Free memory was 62.7 MB in the beginning and 50.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,950 INFO L168 Benchmark]: Witness Printer took 129.35 ms. Allocated memory is still 117.4 MB. Free memory was 50.3 MB in the beginning and 39.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:18,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 94.4 MB. Free memory was 53.6 MB in the beginning and 53.5 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 591.39 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 70.9 MB in the beginning and 84.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.16 ms. Allocated memory is still 117.4 MB. Free memory was 84.6 MB in the beginning and 81.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.78 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1109.23 ms. Allocated memory is still 117.4 MB. Free memory was 79.2 MB in the beginning and 63.3 MB in the end (delta: 15.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1865.38 ms. Allocated memory is still 117.4 MB. Free memory was 62.7 MB in the beginning and 50.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * Witness Printer took 129.35 ms. Allocated memory is still 117.4 MB. Free memory was 50.3 MB in the beginning and 39.6 MB in the end (delta: 10.7 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: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L175] int cleanupTimeShifts = 4; [L277] int pumpRunning = 0; [L278] int systemActive = 1; [L696] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] int retValue_acc ; [L252] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] int retValue_acc ; [L160] retValue_acc = 1 [L161] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L463] int splverifierCounter ; [L464] int tmp ; [L465] int tmp___0 ; [L466] int tmp___1 ; [L467] int tmp___2 ; [L470] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L474] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L480] tmp = __VERIFIER_nondet_int() [L482] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L490] tmp___0 = __VERIFIER_nondet_int() [L492] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L500] tmp___2 = __VERIFIER_nondet_int() [L502] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L285] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] COND TRUE \read(systemActive) [L314] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L317] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L429] int tmp ; [L430] int tmp___0 ; [L431] int tmp___1 ; [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L435] tmp = isMethaneLevelCritical() [L437] COND FALSE !(\read(tmp)) [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L441] tmp___0 = getWaterLevel() [L443] COND TRUE tmp___0 == 2 [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L445] tmp___1 = isPumpRunning() [L447] 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_product13.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, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 336 SDslu, 175 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 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...