./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Rotation180-2.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_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/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_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Rotation180-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/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_5637578a-7657-443d-9e81-16649d510d8d/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 1b00609e8a5157a2c2170182728102acfed7f2a6378b93d77117c85e508e2185 --- 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 19:12:33,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:12:33,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:12:33,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:12:33,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:12:33,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:12:33,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:12:33,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:12:33,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:12:33,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:12:33,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:12:33,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:12:33,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:12:33,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:12:33,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:12:33,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:12:33,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:12:33,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:12:33,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:12:33,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:12:33,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:12:33,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:12:33,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:12:33,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:12:33,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:12:33,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:12:33,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:12:33,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:12:33,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:12:33,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:12:33,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:12:33,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:12:33,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:12:33,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:12:33,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:12:33,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:12:33,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:12:33,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:12:33,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:12:33,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:12:33,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:12:33,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 19:12:34,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:12:34,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:12:34,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:12:34,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:12:34,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:12:34,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:12:34,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:12:34,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:12:34,012 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:12:34,012 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:12:34,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:12:34,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:12:34,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:12:34,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:12:34,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:12:34,013 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:12:34,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:12:34,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:12:34,013 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_5637578a-7657-443d-9e81-16649d510d8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b00609e8a5157a2c2170182728102acfed7f2a6378b93d77117c85e508e2185 [2022-12-14 19:12:34,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:12:34,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:12:34,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:12:34,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:12:34,218 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:12:34,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted/Rotation180-2.c [2022-12-14 19:12:36,773 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:12:36,903 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:12:36,904 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/sv-benchmarks/c/termination-crafted/Rotation180-2.c [2022-12-14 19:12:36,908 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/data/d363c2701/86ab42bb9a674fe7bdff621f5f05b587/FLAG3fff18c77 [2022-12-14 19:12:37,333 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/data/d363c2701/86ab42bb9a674fe7bdff621f5f05b587 [2022-12-14 19:12:37,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:12:37,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:12:37,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:12:37,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:12:37,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:12:37,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f674d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37, skipping insertion in model container [2022-12-14 19:12:37,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:12:37,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:12:37,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:12:37,451 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:12:37,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:12:37,468 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:12:37,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37 WrapperNode [2022-12-14 19:12:37,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:12:37,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:12:37,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:12:37,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:12:37,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,487 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-14 19:12:37,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:12:37,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:12:37,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:12:37,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:12:37,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:12:37,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:12:37,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:12:37,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:12:37,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:12:37,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:12:37,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:12:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:12:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:12:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:12:37,621 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:12:37,622 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:12:37,664 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:12:37,677 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:12:37,677 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:12:37,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:37 BoogieIcfgContainer [2022-12-14 19:12:37,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:12:37,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:12:37,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:12:37,688 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:12:37,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:37" (1/1) ... [2022-12-14 19:12:37,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:12:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:12:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2022-12-14 19:12:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2022-12-14 19:12:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 19:12:37,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:12:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:12:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:12:37,852 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 19:12:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:12:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 19:12:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 19:12:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:12:37,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:12:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:12:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:12:37,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:12:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:12:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:12:37,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:12:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:12:37,915 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-14 19:12:37,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:12:37 ImpRootNode [2022-12-14 19:12:37,934 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:12:37,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:12:37,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:12:37,936 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:12:37,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:37" (3/4) ... [2022-12-14 19:12:37,938 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 19:12:37,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:12:37,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:12:37,964 INFO L158 Benchmark]: Toolchain (without parser) took 626.98ms. Allocated memory is still 165.7MB. Free memory was 102.6MB in the beginning and 125.8MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:12:37,964 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 165.7MB. Free memory was 143.2MB in the beginning and 143.1MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:12:37,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 130.70ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 93.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:12:37,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.93ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:12:37,965 INFO L158 Benchmark]: Boogie Preprocessor took 19.98ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 140.2MB in the end (delta: -48.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-12-14 19:12:37,966 INFO L158 Benchmark]: RCFGBuilder took 171.10ms. Allocated memory is still 165.7MB. Free memory was 140.2MB in the beginning and 130.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 19:12:37,966 INFO L158 Benchmark]: CodeCheck took 254.53ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 127.6MB in the end (delta: 3.3MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-12-14 19:12:37,967 INFO L158 Benchmark]: Witness Printer took 27.84ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 125.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:12:37,969 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, 7 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int oldx; [L16] int x; [L17] int y; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L20] COND TRUE \read(true) [L21] oldx = x VAL [oldx=0, x=0, y=-2147483648] [L22] -y VAL [oldx=0, x=0, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 165.7MB. Free memory was 143.2MB in the beginning and 143.1MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 130.70ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 93.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.93ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 91.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.98ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 140.2MB in the end (delta: -48.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * RCFGBuilder took 171.10ms. Allocated memory is still 165.7MB. Free memory was 140.2MB in the beginning and 130.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 254.53ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 127.6MB in the end (delta: 3.3MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 27.84ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 125.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 19:12:37,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5637578a-7657-443d-9e81-16649d510d8d/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)