./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/joey.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/joey.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB --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 b8eecb1f582817a24edea1132ecb15ddc358f67da7ed612a076c099e943ee704 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:36,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:36,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:36,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:36,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:36,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:36,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:36,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:36,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:36,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:36,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:36,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:36,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:36,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:36,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:36,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:36,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:36,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:36,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:36,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:36,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:36,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:36,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:36,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:36,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:36,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:36,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:36,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:36,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:36,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:36,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:36,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:36,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:36,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:36,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:36,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:36,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:36,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:36,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:36,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:36,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:36,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:51:36,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:36,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:36,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:36,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:36,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:36,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:36,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:36,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:36,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:36,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:36,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:36,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:36,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:36,920 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:51:36,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:36,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:36,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:36,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:36,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:36,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:36,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:36,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:36,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:36,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:36,922 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:36,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:36,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:36,925 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_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8eecb1f582817a24edea1132ecb15ddc358f67da7ed612a076c099e943ee704 [2022-10-17 16:51:37,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:37,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:37,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:37,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:37,321 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:37,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/joey.c [2022-10-17 16:51:37,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/data/621428520/d9920d9818b54e87bb2d35ecec30a93d/FLAG380f5c4d9 [2022-10-17 16:51:37,914 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:37,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/sv-benchmarks/c/termination-crafted-lit/joey.c [2022-10-17 16:51:37,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/data/621428520/d9920d9818b54e87bb2d35ecec30a93d/FLAG380f5c4d9 [2022-10-17 16:51:38,276 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/data/621428520/d9920d9818b54e87bb2d35ecec30a93d [2022-10-17 16:51:38,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:38,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:38,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:38,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:38,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:38,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8429d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38, skipping insertion in model container [2022-10-17 16:51:38,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:38,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:38,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:38,548 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:38,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:38,577 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:38,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38 WrapperNode [2022-10-17 16:51:38,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:38,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:38,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:38,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:38,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,615 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10 [2022-10-17 16:51:38,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:38,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:38,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:38,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:38,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,629 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,635 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:38,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:38,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:38,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:38,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:38,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:38,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:38,744 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2022-10-17 16:51:38,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2022-10-17 16:51:38,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:38,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:38,816 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:38,819 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:39,083 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:39,103 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:39,104 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:51:39,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:39 BoogieIcfgContainer [2022-10-17 16:51:39,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:39,109 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:39,109 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:39,122 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:39,122 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2022-10-17 16:51:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-10-17 16:51:39,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:39,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:39,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 44 transitions. [2022-10-17 16:51:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-10-17 16:51:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:40,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:40,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:51:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:40,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:51:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:40,130 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:51:40,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:51:40 ImpRootNode [2022-10-17 16:51:40,158 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:51:40,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:51:40,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:51:40,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:51:40,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:39" (3/4) ... [2022-10-17 16:51:40,162 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:51:40,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:51:40,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:51:40,203 INFO L158 Benchmark]: Toolchain (without parser) took 1922.24ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 102.2MB in the end (delta: -40.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,204 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 100.7MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.59ms. Allocated memory is still 100.7MB. Free memory was 61.2MB in the beginning and 74.5MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 73.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,206 INFO L158 Benchmark]: Boogie Preprocessor took 21.76ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 894.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,207 INFO L158 Benchmark]: RCFGBuilder took 468.68ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 61.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,207 INFO L158 Benchmark]: CodeCheck took 1049.24ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 60.9MB in the beginning and 104.2MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,208 INFO L158 Benchmark]: Witness Printer took 43.53ms. Allocated memory is still 127.9MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,212 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, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 4 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y; VAL [x=2147483647] [L22] CALL rec(x) VAL [\old(x)=2147483647] [L10] COND FALSE !(x <= 0) VAL [\old(x)=2147483647, x=2147483647] [L12] COND FALSE !(x%2 == 0) VAL [\old(x)=2147483647, x=2147483647] [L15] ++x VAL [\old(x)=2147483647, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 100.7MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.59ms. Allocated memory is still 100.7MB. Free memory was 61.2MB in the beginning and 74.5MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 73.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.76ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 894.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.68ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 61.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1049.24ms. Allocated memory was 100.7MB in the beginning and 127.9MB in the end (delta: 27.3MB). Free memory was 60.9MB in the beginning and 104.2MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.53ms. Allocated memory is still 127.9MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:51:40,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493e8e83-bbf4-4f1b-8144-b61375cab83b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)