./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3 --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 b69d1be7eda006c1c689f3f3f9bbb5e6181bea96390d4e74f3b51d245324fff1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:46:24,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:46:25,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:46:25,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:46:25,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:46:25,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:46:25,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:46:25,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:46:25,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:46:25,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:46:25,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:46:25,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:46:25,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:46:25,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:46:25,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:46:25,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:46:25,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:46:25,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:46:25,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:46:25,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:46:25,113 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:46:25,113 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:46:25,113 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:46:25,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:46:25,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:46:25,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:46:25,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:46:25,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:46:25,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:46:25,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:46:25,115 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:46:25,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:46:25,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3 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 -> b69d1be7eda006c1c689f3f3f9bbb5e6181bea96390d4e74f3b51d245324fff1 [2024-11-25 03:46:25,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:46:25,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:46:25,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:46:25,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:46:25,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:46:25,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple2.i [2024-11-25 03:46:28,506 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/data/35ea628b0/78663635d6b242b39cbbd6ece3758554/FLAG6828574f4 [2024-11-25 03:46:28,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:46:28,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/sv-benchmarks/c/termination-recursive-malloc/mutual_simple2.i [2024-11-25 03:46:28,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/data/35ea628b0/78663635d6b242b39cbbd6ece3758554/FLAG6828574f4 [2024-11-25 03:46:28,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/data/35ea628b0/78663635d6b242b39cbbd6ece3758554 [2024-11-25 03:46:28,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:46:28,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:46:28,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:46:28,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:46:28,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:46:28,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:28,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3162a0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28, skipping insertion in model container [2024-11-25 03:46:28,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:28,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:46:28,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:46:28,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:46:28,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:46:28,990 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:46:28,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28 WrapperNode [2024-11-25 03:46:28,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:46:28,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:46:28,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:46:28,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:46:28,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,020 INFO L138 Inliner]: procedures = 12, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2024-11-25 03:46:29,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:46:29,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:46:29,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:46:29,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:46:29,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:46:29,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:46:29,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:46:29,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:46:29,052 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:46:28" (1/1) ... [2024-11-25 03:46:29,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:46:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:46:29,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:46:29,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:46:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:46:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:46:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-25 03:46:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-25 03:46:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-25 03:46:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-25 03:46:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:46:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:46:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:46:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:46:29,208 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:46:29,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:46:29,382 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 03:46:29,382 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:46:29,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:46:29,403 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:46:29,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:46:29 BoogieIcfgContainer [2024-11-25 03:46:29,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:46:29,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:46:29,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:46:29,417 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:46:29,417 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:46:29" (1/1) ... [2024-11-25 03:46:29,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:46:29,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-25 03:46:29,483 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-25 03:46:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:46:29,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:46:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:46:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-25 03:46:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-25 03:46:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:46:29,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:29,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:46:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:46:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 24 transitions. [2024-11-25 03:46:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 03:46:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:46:30,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:46:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:46:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:46:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:46:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:46:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 18 transitions. [2024-11-25 03:46:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 03:46:31,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:46:31,548 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-25 03:46:31,560 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 03:46:31,599 INFO L77 FloydHoareUtils]: At program point L14(lines 14 16) the Hoare annotation is: (and (<= |f_#t~mem1| 2147483647) (= |f_#t~mem1| (select (select |#memory_int| f_~q.base) f_~q.offset))) [2024-11-25 03:46:31,599 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 22) the Hoare annotation is: (<= (select (select |#memory_int| |f_#in~q.base|) |f_#in~q.offset|) 2147483647) [2024-11-25 03:46:31,599 INFO L75 FloydHoareUtils]: For program point fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-25 03:46:31,600 INFO L77 FloydHoareUtils]: At program point fEXIT(lines 12 22) the Hoare annotation is: true [2024-11-25 03:46:31,600 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (<= (select (select |#memory_int| f_~q.base) f_~q.offset) 2147483646) [2024-11-25 03:46:31,601 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (and (<= 0 |f_#t~post4|) (<= |f_#t~post4| 2147483647)) [2024-11-25 03:46:31,601 INFO L75 FloydHoareUtils]: For program point fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point fFINAL(lines 12 22) the Hoare annotation is: true [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point L20-1(line 20) the Hoare annotation is: (<= |f_#t~post4| 2147483647) [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: (<= (select (select |#memory_int| g_~p.base) g_~p.offset) 2147483646) [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point L27(lines 27 28) the Hoare annotation is: (<= (select (select |#memory_int| g_~p.base) g_~p.offset) 2147483646) [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 25 34) the Hoare annotation is: (<= (select (select |#memory_int| |g_#in~p.base|) |g_#in~p.offset|) 2147483646) [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point gEXIT(lines 25 34) the Hoare annotation is: true [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point gFINAL(lines 25 34) the Hoare annotation is: true [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_main_~p1~0#1.base|) |ULTIMATE.start_main_~p1~0#1.offset|) 2147483647) [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point L44-1(line 44) the Hoare annotation is: true [2024-11-25 03:46:31,602 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:46:31,620 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-25 03:46:31,623 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-25 03:46:31,623 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~q!base,]]] [2024-11-25 03:46:31,629 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-25 03:46:31,629 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-25 03:46:31,629 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[#in~p!base,]]] [2024-11-25 03:46:31,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:46:31 ImpRootNode [2024-11-25 03:46:31,630 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:46:31,631 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:46:31,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:46:31,632 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:46:31,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:46:29" (3/4) ... [2024-11-25 03:46:31,636 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:46:31,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-25 03:46:31,640 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-25 03:46:31,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-25 03:46:31,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 03:46:31,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:46:31,646 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:46:31,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:46:31,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:46:31,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:46:31,739 INFO L158 Benchmark]: Toolchain (without parser) took 2984.67ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 37.0MB in the end (delta: 55.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2024-11-25 03:46:31,741 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:46:31,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.67ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:46:31,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.28ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.6MB in the end (delta: 884.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:46:31,742 INFO L158 Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.7MB in the end (delta: 873.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:46:31,742 INFO L158 Benchmark]: RCFGBuilder took 354.86ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:46:31,743 INFO L158 Benchmark]: CodeCheck took 2226.72ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 41.3MB in the end (delta: 28.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-25 03:46:31,743 INFO L158 Benchmark]: Witness Printer took 106.85ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 37.0MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:46:31,746 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, 0.2s 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, 163 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s 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, 126 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.67ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 82.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.28ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.6MB in the end (delta: 884.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.90ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.7MB in the end (delta: 873.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.86ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2226.72ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 41.3MB in the end (delta: 28.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Witness Printer took 106.85ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 37.0MB in the end (delta: 4.3MB). There was no memory consumed. 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! [2024-11-25 03:46:31,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2840c056-feb1-4fd8-baa7-100613b47390/bin/ukojak-verify-ENZ3QT5qd3/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