./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4 --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 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 --- 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-2329fc7 [2022-12-14 21:56:45,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:56:45,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:56:45,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:56:45,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:56:45,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:56:45,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:56:45,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:56:45,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:56:45,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:56:45,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:56:45,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:56:45,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:56:45,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:56:45,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:56:45,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:56:45,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:56:45,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:56:45,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:56:45,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:56:45,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:56:45,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:56:45,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:56:45,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:56:45,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:56:45,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:56:45,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:56:45,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:56:45,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:56:45,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:56:45,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:56:45,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:56:45,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:56:45,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:56:45,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:56:45,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:56:45,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:56:45,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:56:45,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:56:45,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:56:45,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:56:45,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 21:56:45,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:56:45,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:56:45,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:56:45,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:56:45,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:56:45,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:56:45,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:56:45,466 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:56:45,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:56:45,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:56:45,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:56:45,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:56:45,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:56:45,467 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:56:45,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:56:45,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:56:45,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:56:45,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:56:45,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:56:45,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:56:45,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:56:45,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:56:45,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:56:45,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:56:45,469 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:56:45,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:56:45,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:56:45,469 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_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1166cc70ce2b36ce603eb9fdc3f35a61ebe91a3f9f58f9c1f6c868b8a86b5a19 [2022-12-14 21:56:45,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:56:45,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:56:45,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:56:45,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:56:45,680 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:56:45,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2022-12-14 21:56:48,232 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:56:48,378 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:56:48,379 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex3.10.c [2022-12-14 21:56:48,383 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/data/1c07202b1/f3b67f604ea64b6eae70723896d4c0e3/FLAG0b6a29428 [2022-12-14 21:56:48,791 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/data/1c07202b1/f3b67f604ea64b6eae70723896d4c0e3 [2022-12-14 21:56:48,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:56:48,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:56:48,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:56:48,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:56:48,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:56:48,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e09e1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48, skipping insertion in model container [2022-12-14 21:56:48,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:56:48,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:56:48,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:56:48,925 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:56:48,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:56:48,942 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:56:48,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48 WrapperNode [2022-12-14 21:56:48,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:56:48,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:56:48,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:56:48,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:56:48,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,967 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2022-12-14 21:56:48,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:56:48,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:56:48,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:56:48,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:56:48,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:56:48,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:56:48,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:56:48,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:56:48,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:56:48" (1/1) ... [2022-12-14 21:56:48,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:56:48,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:56:49,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:56:49,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:56:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:56:49,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:56:49,119 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:56:49,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:56:49,207 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:56:49,220 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:56:49,220 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:56:49,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:56:49 BoogieIcfgContainer [2022-12-14 21:56:49,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:56:49,223 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:56:49,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:56:49,230 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:56:49,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:56:49" (1/1) ... [2022-12-14 21:56:49,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:56:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2022-12-14 21:56:49,287 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-14 21:56:49,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:56:49,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:56:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2022-12-14 21:56:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-12-14 21:56:49,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:56:49,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:49,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:56:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2022-12-14 21:56:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-12-14 21:56:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:56:49,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:49,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:56:49,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:56:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:56:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:56:49,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:56:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:56:49,597 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-12-14 21:56:49,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:56:49 ImpRootNode [2022-12-14 21:56:49,613 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:56:49,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:56:49,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:56:49,613 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:56:49,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:56:49" (3/4) ... [2022-12-14 21:56:49,615 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 21:56:49,635 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:56:49,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:56:49,636 INFO L158 Benchmark]: Toolchain (without parser) took 840.98ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 74.7MB in the end (delta: -1.0MB). Peak memory consumption was 582.8kB. Max. memory is 16.1GB. [2022-12-14 21:56:49,636 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:56:49,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.69ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 64.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:56:49,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.79ms. Allocated memory is still 111.1MB. Free memory was 64.4MB in the beginning and 62.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:56:49,637 INFO L158 Benchmark]: Boogie Preprocessor took 16.56ms. Allocated memory is still 111.1MB. Free memory was 62.9MB in the beginning and 62.0MB in the end (delta: 912.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:56:49,638 INFO L158 Benchmark]: RCFGBuilder took 237.67ms. Allocated memory is still 111.1MB. Free memory was 62.0MB in the beginning and 51.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:56:49,638 INFO L158 Benchmark]: CodeCheck took 389.36ms. Allocated memory is still 111.1MB. Free memory was 51.8MB in the beginning and 76.2MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:56:49,638 INFO L158 Benchmark]: Witness Printer took 22.33ms. Allocated memory is still 111.1MB. Free memory was 76.2MB in the beginning and 74.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:56:49,640 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 1 procedures, 26 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, z; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] z = __VERIFIER_nondet_int() [L27] x >= 0 && x + y >= 0 VAL [x=2147483647, x >= 0 && x + y >= 0=1, y=1, z=0] [L27] x + y VAL [x=2147483647, x >= 0 && x + y >= 0=1, y=1, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.69ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 64.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.79ms. Allocated memory is still 111.1MB. Free memory was 64.4MB in the beginning and 62.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.56ms. Allocated memory is still 111.1MB. Free memory was 62.9MB in the beginning and 62.0MB in the end (delta: 912.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 237.67ms. Allocated memory is still 111.1MB. Free memory was 62.0MB in the beginning and 51.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 389.36ms. Allocated memory is still 111.1MB. Free memory was 51.8MB in the beginning and 76.2MB in the end (delta: -24.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 22.33ms. Allocated memory is still 111.1MB. Free memory was 76.2MB in the beginning and 74.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 21:56:49,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b5dc9a-1608-4635-9929-6c8caba22bf6/bin/ukojak-rkRKPMF4O4/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)