./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/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 64bit --witnessprinter.graph.data.programhash d3ded6f4470c26b608997f650ebe66ef1cf6f845 ................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 04:44:42,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:42,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:42,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:42,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:42,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:42,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:42,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:42,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:42,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:42,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:42,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:42,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:42,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:42,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:42,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:42,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:42,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:42,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:42,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:42,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:42,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:42,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:42,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:42,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:42,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:42,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:42,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:42,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:42,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:42,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:42,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:42,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:42,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:42,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:42,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:42,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:42,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:42,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:42,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:42,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:42,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:44:43,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:43,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:43,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:43,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:43,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:43,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:43,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:43,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:44:43,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:43,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:43,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:43,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:43,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:43,022 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:44:43,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:43,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:43,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:43,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:43,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:43,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:43,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:43,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:43,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:43,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:43,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:43,025 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:43,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:43,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:43,026 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_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ded6f4470c26b608997f650ebe66ef1cf6f845 [2020-11-28 04:44:43,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:43,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:43,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:43,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:43,331 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:43,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-28 04:44:43,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/data/6a4c7e61f/dd870c8dd71c4dc396304cf850125135/FLAGfcbfe1a95 [2020-11-28 04:44:43,833 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:43,833 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-28 04:44:43,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/data/6a4c7e61f/dd870c8dd71c4dc396304cf850125135/FLAGfcbfe1a95 [2020-11-28 04:44:44,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/data/6a4c7e61f/dd870c8dd71c4dc396304cf850125135 [2020-11-28 04:44:44,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:44,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:44,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:44,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:44,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:44,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d7a5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44, skipping insertion in model container [2020-11-28 04:44:44,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:44,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:44,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:44,395 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:44,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:44,435 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:44,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44 WrapperNode [2020-11-28 04:44:44,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:44,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:44,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:44,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:44,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:44,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:44,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:44,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:44,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:44,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:44,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:44,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:44,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/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 [2020-11-28 04:44:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure r1 [2020-11-28 04:44:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure r1 [2020-11-28 04:44:44,806 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:44,806 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 04:44:44,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44 BoogieIcfgContainer [2020-11-28 04:44:44,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:44,809 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:44,809 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:44,826 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:44,826 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2020-11-28 04:44:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2020-11-28 04:44:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:44:44,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 30 transitions. [2020-11-28 04:44:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2020-11-28 04:44:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:44:45,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 35 transitions. [2020-11-28 04:44:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2020-11-28 04:44:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:45,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,761 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,780 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-11-28 04:44:45,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:45 ImpRootNode [2020-11-28 04:44:45,806 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:45,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:45,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:45,809 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:45,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (3/4) ... [2020-11-28 04:44:45,812 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:44:45,847 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3a88e7e6-d614-46eb-9c78-63addc3f167b/bin/ukojak/witness.graphml [2020-11-28 04:44:45,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:45,855 INFO L168 Benchmark]: Toolchain (without parser) took 1607.35 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 58.4 MB in the beginning and 49.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,855 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 64.3 MB in the beginning and 64.3 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.47 ms. Allocated memory is still 90.2 MB. Free memory was 58.1 MB in the beginning and 69.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.13 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 68.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,858 INFO L168 Benchmark]: Boogie Preprocessor took 14.83 ms. Allocated memory is still 90.2 MB. Free memory was 68.0 MB in the beginning and 67.2 MB in the end (delta: 793.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,859 INFO L168 Benchmark]: RCFGBuilder took 321.26 ms. Allocated memory is still 90.2 MB. Free memory was 67.2 MB in the beginning and 55.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,860 INFO L168 Benchmark]: CodeCheck took 996.93 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 55.4 MB in the beginning and 51.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,860 INFO L168 Benchmark]: Witness Printer took 39.02 ms. Allocated memory is still 109.1 MB. Free memory was 51.0 MB in the beginning and 49.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,865 INFO L339 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, 24 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 92 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L26] int ls = __VERIFIER_nondet_int(); [L27] COND TRUE ls >= 0 [L22] CALL r1(ls,0) VAL [\old(a)=0, \old(ls)=2147483647] [L14] COND FALSE !(ls == 0) VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls-1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls+1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 64.3 MB in the beginning and 64.3 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 192.47 ms. Allocated memory is still 90.2 MB. Free memory was 58.1 MB in the beginning and 69.4 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.13 ms. Allocated memory is still 90.2 MB. Free memory was 69.4 MB in the beginning and 68.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 14.83 ms. Allocated memory is still 90.2 MB. Free memory was 68.0 MB in the beginning and 67.2 MB in the end (delta: 793.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 321.26 ms. Allocated memory is still 90.2 MB. Free memory was 67.2 MB in the beginning and 55.8 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 996.93 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 55.4 MB in the beginning and 51.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Witness Printer took 39.02 ms. Allocated memory is still 109.1 MB. Free memory was 51.0 MB in the beginning and 49.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...