./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg --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 b152d0a77c0a827c56e67a020428723a5ece98968c26b23e643be1f19b0bbb84 --- 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-b5237d8 [2022-11-21 22:38:42,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:38:42,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:38:42,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:38:42,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:38:42,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:38:42,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:38:42,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:38:42,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:38:42,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:38:42,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:38:42,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:38:42,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:38:42,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:38:42,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:38:42,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:38:42,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:38:42,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:38:42,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:38:42,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:38:42,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:38:42,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:38:42,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:38:42,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:38:42,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:38:42,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:38:42,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:38:42,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:38:42,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:38:42,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:38:42,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:38:42,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:38:42,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:38:42,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:38:42,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:38:42,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:38:42,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:38:42,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:38:42,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:38:42,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:38:42,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:38:42,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:38:42,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:38:42,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:38:42,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:38:42,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:38:42,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:38:42,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:38:42,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:38:42,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:38:42,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:38:42,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:38:42,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:38:42,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:38:42,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:38:42,305 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:38:42,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:38:42,305 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:38:42,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:38:42,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:38:42,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:38:42,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:38:42,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:38:42,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:38:42,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:38:42,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:38:42,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:38:42,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:38:42,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:38:42,308 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_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b152d0a77c0a827c56e67a020428723a5ece98968c26b23e643be1f19b0bbb84 [2022-11-21 22:38:42,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:38:42,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:38:42,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:38:42,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:38:42,629 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:38:42,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c [2022-11-21 22:38:45,628 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:38:45,804 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:38:45,805 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/sv-benchmarks/c/termination-restricted-15/c.01-no-inv.c [2022-11-21 22:38:45,811 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/data/0f2a844db/d9b35c310971421ca8c7c24f268bca86/FLAGceba195e9 [2022-11-21 22:38:45,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/data/0f2a844db/d9b35c310971421ca8c7c24f268bca86 [2022-11-21 22:38:45,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:38:45,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:38:45,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:38:45,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:38:45,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:38:45,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:38:45" (1/1) ... [2022-11-21 22:38:45,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b734890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:45, skipping insertion in model container [2022-11-21 22:38:45,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:38:45" (1/1) ... [2022-11-21 22:38:45,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:38:45,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:38:46,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:38:46,051 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:38:46,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:38:46,076 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:38:46,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46 WrapperNode [2022-11-21 22:38:46,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:38:46,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:38:46,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:38:46,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:38:46,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,107 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-21 22:38:46,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:38:46,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:38:46,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:38:46,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:38:46,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:38:46,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:38:46,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:38:46,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:38:46,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:38:46,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:38:46,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:38:46,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:38:46,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:38:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:38:46,307 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:38:46,309 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:38:46,431 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:38:46,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:38:46,459 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:38:46,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:38:46 BoogieIcfgContainer [2022-11-21 22:38:46,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:38:46,462 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:38:46,463 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:38:46,477 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:38:46,478 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:38:46" (1/1) ... [2022-11-21 22:38:46,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:38:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-21 22:38:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-21 22:38:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:38:46,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:46,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:38:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-21 22:38:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-21 22:38:46,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:38:46,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:38:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-11-21 22:38:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-11-21 22:38:47,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:38:47,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:47,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:38:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-11-21 22:38:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-11-21 22:38:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:38:47,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:47,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:38:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-11-21 22:38:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-11-21 22:38:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:38:47,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:38:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2022-11-21 22:38:47,651 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2022-11-21 22:38:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:38:47,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:47,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:38:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-21 22:38:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-21 22:38:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:38:47,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:47,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:38:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2022-11-21 22:38:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-11-21 22:38:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:38:48,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:48,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:38:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-11-21 22:38:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-21 22:38:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:38:48,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:48,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:38:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-21 22:38:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 22:38:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:38:48,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:48,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:38:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:48,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-21 22:38:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-21 22:38:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:38:48,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:38:48,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:38:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:38:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:38:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:38:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-21 22:38:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-21 22:38:48,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:38:48,574 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2022-11-21 22:38:48,582 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:38:48,633 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-11-21 22:38:48,643 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 22:38:48,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:38:48 ImpRootNode [2022-11-21 22:38:48,644 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:38:48,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:38:48,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:38:48,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:38:48,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:38:46" (3/4) ... [2022-11-21 22:38:48,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:38:48,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:38:48,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:38:48,659 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:38:48,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:38:48,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:38:48,693 INFO L158 Benchmark]: Toolchain (without parser) took 2853.48ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 94.6MB in the beginning and 113.7MB in the end (delta: -19.1MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-21 22:38:48,694 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:38:48,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.73ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 85.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:38:48,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.11ms. Allocated memory is still 138.4MB. Free memory was 85.3MB in the beginning and 84.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:38:48,695 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:38:48,695 INFO L158 Benchmark]: RCFGBuilder took 323.69ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 72.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:38:48,696 INFO L158 Benchmark]: CodeCheck took 2181.58ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 72.7MB in the beginning and 115.8MB in the end (delta: -43.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:38:48,696 INFO L158 Benchmark]: Witness Printer took 47.99ms. Allocated memory is still 178.3MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:38:48,699 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 284 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 902 IncrementalHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 205 mSolverCounterUnsat, 22 mSDtfsCounter, 902 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 660 GetRequests, 596 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1359 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 21/21 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 - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (0 <= x && 1 <= y) && x <= 2147483647 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.73ms. Allocated memory is still 138.4MB. Free memory was 94.1MB in the beginning and 85.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.11ms. Allocated memory is still 138.4MB. Free memory was 85.3MB in the beginning and 84.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.69ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 72.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2181.58ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 72.7MB in the beginning and 115.8MB in the end (delta: -43.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.99ms. Allocated memory is still 178.3MB. Free memory was 115.8MB in the beginning and 113.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:38:48,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad24b0b-4149-4064-8d03-2d8607c2ab5a/bin/ukojak-jW3SillKbg/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 Result: TRUE