./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:52,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:52,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:34:52,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:34:52,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:34:52,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:52,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:52,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:52,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:52,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:52,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:52,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:52,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:34:52,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:52,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:52,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:52,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:52,575 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:52,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:34:52,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:34:52,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:52,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:52,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:52,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:52,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:52,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:52,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:52,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:52,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:52,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:52,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:34:52,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:34:52,588 INFO L153 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_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2024-11-08 22:34:52,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:52,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:52,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:52,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:52,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:52,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i Unable to find full path for "g++" [2024-11-08 22:34:55,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:55,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:55,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2024-11-08 22:34:55,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/data/f3cdbdc86/23dd9755687349bb890f0802fddebae1/FLAGdbfa1245c [2024-11-08 22:34:55,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/data/f3cdbdc86/23dd9755687349bb890f0802fddebae1 [2024-11-08 22:34:55,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:55,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:55,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:55,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:55,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:55,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:55,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b997089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55, skipping insertion in model container [2024-11-08 22:34:55,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:55,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:55,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:55,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:55,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:55,963 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:55,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55 WrapperNode [2024-11-08 22:34:55,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:55,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:55,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:55,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:55,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:55,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:55,997 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-11-08 22:34:55,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:55,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:55,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:55,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:56,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:56,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:56,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:56,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:56,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:55" (1/1) ... [2024-11-08 22:34:56,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:56,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:56,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:56,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:56,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:34:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:34:56,099 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:34:56,099 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:34:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-08 22:34:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-08 22:34:56,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:56,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:56,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:34:56,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:34:56,169 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:56,171 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:34:56,296 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:34:56,296 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:34:56,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:34:56,326 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:34:56,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:56 BoogieIcfgContainer [2024-11-08 22:34:56,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:34:56,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:34:56,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:34:56,340 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:34:56,341 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:56" (1/1) ... [2024-11-08 22:34:56,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:34:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-08 22:34:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-08 22:34:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:34:56,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-08 22:34:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-08 22:34:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:34:56,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:56,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 24 transitions. [2024-11-08 22:34:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-08 22:34:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:34:57,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:57,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:34:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 18 transitions. [2024-11-08 22:34:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:34:58,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:34:58,496 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-08 22:34:58,508 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 22:34:58,553 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: (<= (select (select |#memory_int| f_~q.base) f_~q.offset) 2147483646) [2024-11-08 22:34:58,554 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (and (<= |f_#t~post3| 2147483647) (<= 0 |f_#t~post3|)) [2024-11-08 22:34:58,554 INFO L77 FloydHoareUtils]: At program point L16-1(line 16) the Hoare annotation is: (<= |f_#t~post3| 2147483647) [2024-11-08 22:34:58,555 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: (and (<= |f_#t~mem1| 2147483647) (= |f_#t~mem1| (select (select |#memory_int| f_~q.base) f_~q.offset))) [2024-11-08 22:34:58,555 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 18) the Hoare annotation is: (<= (select (select |#memory_int| |f_#in~q.base|) |f_#in~q.offset|) 2147483647) [2024-11-08 22:34:58,555 INFO L75 FloydHoareUtils]: For program point fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-08 22:34:58,556 INFO L77 FloydHoareUtils]: At program point fEXIT(lines 12 18) the Hoare annotation is: true [2024-11-08 22:34:58,556 INFO L75 FloydHoareUtils]: For program point fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2024-11-08 22:34:58,556 INFO L77 FloydHoareUtils]: At program point fFINAL(lines 12 18) the Hoare annotation is: true [2024-11-08 22:34:58,557 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 21 26) the Hoare annotation is: (<= (select (select |#memory_int| |g_#in~p.base|) |g_#in~p.offset|) 2147483646) [2024-11-08 22:34:58,557 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (<= (select (select |#memory_int| g_~p.base) g_~p.offset) 2147483646) [2024-11-08 22:34:58,558 INFO L77 FloydHoareUtils]: At program point gEXIT(lines 21 26) the Hoare annotation is: true [2024-11-08 22:34:58,558 INFO L77 FloydHoareUtils]: At program point L22(lines 22 23) the Hoare annotation is: (<= (select (select |#memory_int| g_~p.base) g_~p.offset) 2147483646) [2024-11-08 22:34:58,558 INFO L77 FloydHoareUtils]: At program point gFINAL(lines 21 26) the Hoare annotation is: true [2024-11-08 22:34:58,559 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:34:58,559 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:34:58,559 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_main_~p1~0#1.base|) |ULTIMATE.start_main_~p1~0#1.offset|) 2147483647) [2024-11-08 22:34:58,560 INFO L77 FloydHoareUtils]: At program point L37-1(line 37) the Hoare annotation is: true [2024-11-08 22:34:58,577 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-08 22:34:58,578 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-08 22:34:58,578 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~q!base,]]] [2024-11-08 22:34:58,584 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-08 22:34:58,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-08 22:34:58,587 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-08 22:34:58,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:34:58 ImpRootNode [2024-11-08 22:34:58,588 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:34:58,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:34:58,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:34:58,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:34:58,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:56" (3/4) ... [2024-11-08 22:34:58,593 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:34:58,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-08 22:34:58,598 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-08 22:34:58,605 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-08 22:34:58,606 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 22:34:58,607 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 22:34:58,607 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:34:58,721 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:34:58,721 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:34:58,722 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:34:58,722 INFO L158 Benchmark]: Toolchain (without parser) took 3039.52ms. Allocated memory is still 140.5MB. Free memory was 101.9MB in the beginning and 68.9MB in the end (delta: 32.9MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-11-08 22:34:58,723 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:58,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.53ms. Allocated memory is still 140.5MB. Free memory was 101.5MB in the beginning and 89.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:34:58,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.22ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 88.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:34:58,724 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 140.5MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:58,725 INFO L158 Benchmark]: RCFGBuilder took 307.40ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 77.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:34:58,726 INFO L158 Benchmark]: CodeCheck took 2260.48ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 73.1MB in the end (delta: 3.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-08 22:34:58,729 INFO L158 Benchmark]: Witness Printer took 132.60ms. Allocated memory is still 140.5MB. Free memory was 73.1MB in the beginning and 68.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:34:58,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 30 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 161 SyntacticMatches, 9 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.53ms. Allocated memory is still 140.5MB. Free memory was 101.5MB in the beginning and 89.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.22ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 88.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 140.5MB. Free memory was 88.8MB in the beginning and 87.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.40ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 77.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2260.48ms. Allocated memory is still 140.5MB. Free memory was 76.7MB in the beginning and 73.1MB in the end (delta: 3.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 132.60ms. Allocated memory is still 140.5MB. Free memory was 73.1MB in the beginning and 68.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~q!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~p!base,]]] RESULT: Ultimate proved your program to be correct! [2024-11-08 22:34:58,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a5596-af6e-4821-ba96-0c72014227c1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE