./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ --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 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb --- 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-6b4ec56 [2022-11-20 18:21:45,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:45,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:46,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:46,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:46,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:46,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:46,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:46,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:46,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:46,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:46,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:46,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:46,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:46,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:46,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:46,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:46,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:46,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:46,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:46,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:46,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:46,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:46,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:46,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:46,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:46,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:46,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:46,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:46,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:46,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:46,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:46,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:46,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:46,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:46,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:46,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:46,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:46,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:46,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:46,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:46,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:21:46,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:46,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:46,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:46,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:46,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:46,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:46,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:46,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:46,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:46,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:46,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:46,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:46,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:46,093 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:46,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:46,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:46,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:46,094 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:46,094 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:46,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:46,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:46,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:46,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:46,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:46,095 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:46,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:46,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:46,096 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_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d01e47d61f5460eefe4585d287e283c2c540ff348367265b7ce8811693dcaeb [2022-11-20 18:21:46,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:46,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:46,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:46,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:46,420 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:46,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2022-11-20 18:21:49,531 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:49,831 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:49,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/sv-benchmarks/c/termination-crafted/Copenhagen_disj-1.c [2022-11-20 18:21:49,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/data/e1fb396fc/be72c5fa08a2421f91269f9336ffd7a2/FLAGbfa843c76 [2022-11-20 18:21:49,858 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/data/e1fb396fc/be72c5fa08a2421f91269f9336ffd7a2 [2022-11-20 18:21:49,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:49,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:49,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:49,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:49,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:49,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:49" (1/1) ... [2022-11-20 18:21:49,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@226a72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:49, skipping insertion in model container [2022-11-20 18:21:49,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:49" (1/1) ... [2022-11-20 18:21:49,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:49,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:50,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:50,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:50,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:50,100 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:50,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50 WrapperNode [2022-11-20 18:21:50,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:50,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:50,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:50,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:50,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,136 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-11-20 18:21:50,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:50,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:50,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:50,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:50,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:50,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:50,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:50,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:50,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:50,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:50,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:50,343 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:50,346 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:50,432 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:50,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:50,455 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:21:50,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:50 BoogieIcfgContainer [2022-11-20 18:21:50,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:21:50,459 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:21:50,459 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:21:50,470 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:21:50,470 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:50" (1/1) ... [2022-11-20 18:21:50,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:21:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 18:21:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 18:21:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:21:50,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:50,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 18:21:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 18:21:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:21:50,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:50,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:21:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:50,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:21:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:21:50,892 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:21:50,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:50 ImpRootNode [2022-11-20 18:21:50,938 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:50,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:50,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:50,940 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:50,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:50" (3/4) ... [2022-11-20 18:21:50,943 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:21:51,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:51,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:51,005 INFO L158 Benchmark]: Toolchain (without parser) took 1136.18ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 73.0MB in the end (delta: 37.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,006 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 84.7MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:51,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.51ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 101.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.19ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,008 INFO L158 Benchmark]: Boogie Preprocessor took 21.87ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.8MB in the end (delta: 990.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,009 INFO L158 Benchmark]: RCFGBuilder took 295.32ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 89.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,010 INFO L158 Benchmark]: CodeCheck took 480.15ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 74.4MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,011 INFO L158 Benchmark]: Witness Printer took 64.63ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 73.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:51,015 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 11 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, 0.1s 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int x, y, oldx; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] COND TRUE x >= 0 || y >= 0 [L17] oldx = x VAL [x=0, x=0, y=-2147483648] [L18] y - 1 VAL [x=0, x=0, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 84.7MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.51ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 101.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.19ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 99.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.87ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.8MB in the end (delta: 990.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.32ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 89.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 480.15ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 74.4MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 64.63ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 73.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:21:51,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_743c46e4-95b2-4937-9c13-88c963a86b3b/bin/ukojak-pZX7IvK2PQ/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)