./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/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 64bit --witnessprinter.graph.data.programhash 7b8d2b598ac3326e286016998f443939dfd4be1d ........................................................................................................................................................................................................................ 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 0.1.23-1dbac8b [2018-11-10 12:18:47,009 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:18:47,010 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:18:47,017 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:18:47,017 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:18:47,018 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:18:47,019 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:18:47,020 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:18:47,021 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:18:47,022 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:18:47,023 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:18:47,023 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:18:47,024 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:18:47,024 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:18:47,025 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:18:47,025 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:18:47,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:18:47,027 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:18:47,028 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:18:47,029 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:18:47,030 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:18:47,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:18:47,032 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:18:47,033 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:18:47,033 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:18:47,034 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:18:47,034 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:18:47,035 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:18:47,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:18:47,036 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:18:47,037 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:18:47,037 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:18:47,037 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:18:47,037 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:18:47,038 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:18:47,038 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:18:47,039 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 12:18:47,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:18:47,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:18:47,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:18:47,050 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:18:47,050 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:18:47,051 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:18:47,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:18:47,052 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:18:47,052 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:18:47,052 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:18:47,052 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:18:47,052 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:18:47,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:18:47,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:18:47,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:18:47,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:18:47,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:18:47,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:18:47,053 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:18:47,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:18:47,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:18:47,053 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b8d2b598ac3326e286016998f443939dfd4be1d [2018-11-10 12:18:47,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:18:47,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:18:47,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:18:47,090 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:18:47,090 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:18:47,091 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c [2018-11-10 12:18:47,138 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/data/33b0e7985/726e7039c9364ed4bf1271a1cae00300/FLAGfccf218cd [2018-11-10 12:18:47,533 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:18:47,533 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c [2018-11-10 12:18:47,537 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/data/33b0e7985/726e7039c9364ed4bf1271a1cae00300/FLAGfccf218cd [2018-11-10 12:18:47,547 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/data/33b0e7985/726e7039c9364ed4bf1271a1cae00300 [2018-11-10 12:18:47,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:18:47,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:18:47,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:18:47,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:18:47,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:18:47,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb7591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47, skipping insertion in model container [2018-11-10 12:18:47,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:18:47,574 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:18:47,670 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:18:47,672 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:18:47,681 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:18:47,689 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:18:47,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47 WrapperNode [2018-11-10 12:18:47,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:18:47,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:18:47,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:18:47,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:18:47,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:18:47,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:18:47,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:18:47,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:18:47,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:47,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:18:47,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:18:47,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:18:47,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:18:47,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:18:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/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 [2018-11-10 12:18:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:18:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:18:47,990 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:18:47,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:18:47 BoogieIcfgContainer [2018-11-10 12:18:47,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:18:47,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:18:47,991 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:18:48,001 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:18:48,001 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:18:47" (1/1) ... [2018-11-10 12:18:48,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:18:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:18:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2018-11-10 12:18:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-10 12:18:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 12:18:48,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:18:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:18:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:18:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:18:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2018-11-10 12:18:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-11-10 12:18:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:18:48,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:18:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:18:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:18:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:18:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2018-11-10 12:18:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-11-10 12:18:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:18:48,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:18:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:18:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:18:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:18:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:18:48,337 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-10 12:18:48,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:18:48 ImpRootNode [2018-11-10 12:18:48,351 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:18:48,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:18:48,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:18:48,351 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:18:48,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:18:47" (3/4) ... [2018-11-10 12:18:48,353 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:18:48,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2da17818-93bf-42b3-9808-f62bf7b46508/bin-2019/ukojak/witness.graphml [2018-11-10 12:18:48,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:18:48,379 INFO L168 Benchmark]: Toolchain (without parser) took 828.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:18:48,380 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:18:48,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:18:48,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.97 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:18:48,380 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:18:48,381 INFO L168 Benchmark]: RCFGBuilder took 266.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:18:48,381 INFO L168 Benchmark]: CodeCheck took 359.69 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:18:48,382 INFO L168 Benchmark]: Witness Printer took 27.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:18:48,384 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 32 locations, 10 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 14 SDslu, 4 SDs, 0 SdLazy, 40 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 [L18] EXPR x - 1 [L18] x = x - 1 [L19] y + x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.97 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 359.69 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: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Witness Printer took 27.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...