./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test21-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test21-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36029c97ff36b924dec4fff6e18b89b3177e9048 ................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-20 02:23:18,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:23:18,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:23:18,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:23:18,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:23:18,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:23:18,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:23:18,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:23:18,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:23:18,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:23:18,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:23:18,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:23:18,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:23:18,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:23:18,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:23:18,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:23:18,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:23:18,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:23:18,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:23:18,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:23:18,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:23:18,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:23:18,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:23:18,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:23:18,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:23:18,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:23:18,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:23:18,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:23:18,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:23:18,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:23:18,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:23:18,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:23:18,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:23:18,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:23:18,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:23:18,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:23:18,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:23:18,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:23:18,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:23:18,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:23:18,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:23:18,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:23:18,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:23:18,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:23:18,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:23:18,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:23:18,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:23:18,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:23:18,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:23:18,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:23:18,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:23:18,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:23:18,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:23:18,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:23:18,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:23:18,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:23:18,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:23:18,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:23:18,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:23:18,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:23:18,772 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:23:18,772 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:23:18,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:23:18,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:23:18,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:23:18,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:23:18,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:23:18,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:23:18,774 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:23:18,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:23:18,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:23:18,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> 36029c97ff36b924dec4fff6e18b89b3177e9048 [2019-11-20 02:23:18,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:23:18,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:23:18,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:23:18,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:23:18,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:23:18,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test21-2.c [2019-11-20 02:23:18,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/data/a2df4a5d2/d8cd523cbe264073b55475dacc108852/FLAGaacad2738 [2019-11-20 02:23:19,341 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:23:19,341 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/sv-benchmarks/c/ldv-regression/test21-2.c [2019-11-20 02:23:19,347 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/data/a2df4a5d2/d8cd523cbe264073b55475dacc108852/FLAGaacad2738 [2019-11-20 02:23:19,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/data/a2df4a5d2/d8cd523cbe264073b55475dacc108852 [2019-11-20 02:23:19,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:23:19,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:23:19,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:23:19,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:23:19,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:23:19,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0bfad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19, skipping insertion in model container [2019-11-20 02:23:19,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,374 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:23:19,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:23:19,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:23:19,647 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:23:19,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:23:19,677 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:23:19,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19 WrapperNode [2019-11-20 02:23:19,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:23:19,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:23:19,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:23:19,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:23:19,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:23:19,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:23:19,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:23:19,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:23:19,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... [2019-11-20 02:23:19,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:23:19,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:23:19,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:23:19,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:23:19,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:23:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2019-11-20 02:23:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:23:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:23:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:23:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-11-20 02:23:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-11-20 02:23:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:23:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:23:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:23:20,060 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:23:20,060 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 02:23:20,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:23:20 BoogieIcfgContainer [2019-11-20 02:23:20,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:23:20,062 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:23:20,062 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:23:20,071 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:23:20,072 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:23:20" (1/1) ... [2019-11-20 02:23:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:23:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:23:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-11-20 02:23:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-20 02:23:20,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 02:23:20,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:23:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:23:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:23:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:23:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 02:23:20,442 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-20 02:23:20,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:23:20 ImpRootNode [2019-11-20 02:23:20,481 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:23:20,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:23:20,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:23:20,482 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:23:20,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:23:20" (3/4) ... [2019-11-20 02:23:20,484 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 02:23:20,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_88744eb3-9cb4-46ef-973a-f30ebe08ded3/bin/ukojak/witness.graphml [2019-11-20 02:23:20,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:23:20,532 INFO L168 Benchmark]: Toolchain (without parser) took 1171.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:20,533 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:23:20,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:20,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:23:20,534 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:23:20,535 INFO L168 Benchmark]: RCFGBuilder took 330.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:20,536 INFO L168 Benchmark]: CodeCheck took 419.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:23:20,536 INFO L168 Benchmark]: Witness Printer took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:23:20,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 42]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] struct dummy d1, d2; [L13] d1.a = __VERIFIER_nondet_int() [L14] d1.b = __VERIFIER_nondet_int() [L16] d2.a = __VERIFIER_nondet_int() [L17] d2.b = __VERIFIER_nondet_int() [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L33] CALL, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L22] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L22] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L33] RET, EXPR get_dummy() VAL [d1={3:0}, d2={2:0}] [L33] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] COND TRUE pd1 != 0 && pd1 == pd2 [L27] EXPR s1->a [L27] EXPR s2->b [L27] return s1->a == s2->b; [L35] COND TRUE !check(pd1, pd2) [L42] __VERIFIER_error() VAL [d1={3:0}, d2={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 419.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...