./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33da588ec0d1cf3fd422899ff14f5b1cb710f42e .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:21:53,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:21:53,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:21:53,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:21:53,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:21:53,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:21:53,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:21:53,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:21:53,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:21:53,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:21:53,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:21:53,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:21:53,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:21:53,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:21:53,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:21:53,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:21:53,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:21:53,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:21:53,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:21:53,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:21:53,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:21:53,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:21:53,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:21:53,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:21:53,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:21:53,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:21:53,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:21:53,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:21:53,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:21:53,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:21:53,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:21:53,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:21:53,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:21:53,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:21:53,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:21:53,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:21:53,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:21:53,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:21:53,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:21:53,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:21:53,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:21:53,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-20 11:21:53,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:21:53,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:21:53,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:21:53,158 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:21:53,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:21:53,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:21:53,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:21:53,159 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:21:53,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 11:21:53,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:21:53,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:21:53,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:21:53,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:21:53,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:21:53,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:21:53,171 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 11:21:53,172 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:21:53,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:21:53,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:21:53,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:21:53,172 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:21:53,173 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:21:53,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:21:53,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:21:53,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:21:53,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:21:53,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:21:53,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:21:53,174 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 11:21:53,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:21:53,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:21:53,175 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_e1488b22-ff89-4a76-8d50-2f74b52c7671/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 ! overflow) ) 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 -> 33da588ec0d1cf3fd422899ff14f5b1cb710f42e [2019-11-20 11:21:53,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:21:53,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:21:53,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:21:53,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:21:53,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:21:53,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_b3_o5-1.c [2019-11-20 11:21:53,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/data/2f3ef5f2f/4049e2e1fe444b88a32cae748cb8414a/FLAG2b229aaaa [2019-11-20 11:21:53,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:21:53,977 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/sv-benchmarks/c/recursive-simple/id_b3_o5-1.c [2019-11-20 11:21:53,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/data/2f3ef5f2f/4049e2e1fe444b88a32cae748cb8414a/FLAG2b229aaaa [2019-11-20 11:21:54,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/data/2f3ef5f2f/4049e2e1fe444b88a32cae748cb8414a [2019-11-20 11:21:54,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:21:54,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:21:54,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:21:54,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:21:54,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:21:54,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68a60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54, skipping insertion in model container [2019-11-20 11:21:54,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:21:54,445 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:21:54,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:21:54,676 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:21:54,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:21:54,786 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:21:54,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54 WrapperNode [2019-11-20 11:21:54,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:21:54,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:21:54,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:21:54,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:21:54,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:21:54,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:21:54,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:21:54,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:21:54,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... [2019-11-20 11:21:54,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:21:54,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:21:54,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:21:54,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:21:54,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/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 11:21:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:21:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:21:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-20 11:21:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-20 11:21:55,264 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:21:55,264 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 11:21:55,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:21:55 BoogieIcfgContainer [2019-11-20 11:21:55,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:21:55,266 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 11:21:55,266 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 11:21:55,278 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 11:21:55,278 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:21:55" (1/1) ... [2019-11-20 11:21:55,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 11:21:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:21:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2019-11-20 11:21:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-11-20 11:21:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 11:21:55,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:21:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 11:21:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 11:21:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 11:21:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2019-11-20 11:21:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-11-20 11:21:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 11:21:55,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 11:21:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:21:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:21:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:21:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 11:21:55,755 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2019-11-20 11:21:55,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 11:21:55 ImpRootNode [2019-11-20 11:21:55,782 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 11:21:55,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:21:55,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:21:55,783 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:21:55,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:21:55" (3/4) ... [2019-11-20 11:21:55,786 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 11:21:55,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1488b22-ff89-4a76-8d50-2f74b52c7671/bin/ukojak/witness.graphml [2019-11-20 11:21:55,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:21:55,829 INFO L168 Benchmark]: Toolchain (without parser) took 1429.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:21:55,829 INFO L168 Benchmark]: CDTParser took 0.30 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 11:21:55,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:21:55,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.16 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:21:55,832 INFO L168 Benchmark]: Boogie Preprocessor took 20.02 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 11:21:55,832 INFO L168 Benchmark]: RCFGBuilder took 419.24 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:21:55,833 INFO L168 Benchmark]: CodeCheck took 516.14 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 11:21:55,833 INFO L168 Benchmark]: Witness Printer took 43.93 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 11:21:55,837 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, 18 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 17 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 6]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int input = __VERIFIER_nondet_int(); [L13] CALL id(input) VAL [\old(x)=-2147483648] [L5] COND FALSE !(x==0) VAL [\old(x)=-2147483648, x=-2147483648] [L6] x-1 VAL [\old(x)=-2147483648, x=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 384.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.16 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.02 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 419.24 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 516.14 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.93 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...