./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/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_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/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_66240d04-e278-42bb-b0a4-816a506924ec/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 5714449da9967bbd2918d4305e52dc9c1161024d975984886640d613abe881d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:10,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:10,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:29:10,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:29:10,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:29:10,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:10,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:10,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:10,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:10,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:10,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:10,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:10,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:29:10,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:10,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:10,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:10,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:10,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:10,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:29:10,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:29:10,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:10,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:10,612 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:10,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:10,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:10,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:10,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:10,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:10,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:10,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:10,616 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:29:10,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:29:10,617 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_66240d04-e278-42bb-b0a4-816a506924ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5714449da9967bbd2918d4305e52dc9c1161024d975984886640d613abe881d1 [2024-11-08 23:29:10,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:10,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:10,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:10,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:10,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:10,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i Unable to find full path for "g++" [2024-11-08 23:29:13,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:13,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:13,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/sv-benchmarks/c/termination-dietlibc/strrchr_short.i [2024-11-08 23:29:13,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data/776c30dc6/28af7c5706f2460e847435976d28b2c2/FLAG49790d019 [2024-11-08 23:29:13,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data/776c30dc6/28af7c5706f2460e847435976d28b2c2 [2024-11-08 23:29:13,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:13,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:13,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:13,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:13,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:13,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:13" (1/1) ... [2024-11-08 23:29:13,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55570241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:13, skipping insertion in model container [2024-11-08 23:29:13,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:13" (1/1) ... [2024-11-08 23:29:13,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:13,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:13,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:14,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:14,038 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:14,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14 WrapperNode [2024-11-08 23:29:14,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:14,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:14,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:14,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:14,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,083 INFO L138 Inliner]: procedures = 113, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-08 23:29:14,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:14,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:14,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:14,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:14,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:14,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:14,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:14,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:14,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:14,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:14,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:14,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:29:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:29:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:29:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:29:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:14,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:14,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:14,443 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:14,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:14,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:14,498 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:29:14,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:14 BoogieIcfgContainer [2024-11-08 23:29:14,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:14,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:14,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:14,522 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:14,523 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:14" (1/1) ... [2024-11-08 23:29:14,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 23:29:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 23:29:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:29:14,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:14,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:14,775 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 23:29:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 23:29:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 23:29:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:29:14,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:14,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:14,856 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 23:29:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:29:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:29:14,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:29:14,975 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:29:14,982 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 23:29:15,004 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 519) no Hoare annotation was computed. [2024-11-08 23:29:15,005 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:29:15,005 INFO L77 FloydHoareUtils]: At program point L510-2(lines 510 512) the Hoare annotation is: true [2024-11-08 23:29:15,005 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:29:15,005 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 515 522) the Hoare annotation is: true [2024-11-08 23:29:15,006 INFO L77 FloydHoareUtils]: At program point L519(line 519) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) (<= 1 |ULTIMATE.start_main_~in_len~0#1|)) [2024-11-08 23:29:15,006 INFO L77 FloydHoareUtils]: At program point L519-1(line 519) the Hoare annotation is: (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) [2024-11-08 23:29:15,006 INFO L77 FloydHoareUtils]: At program point L517(line 517) the Hoare annotation is: (<= |ULTIMATE.start_main_~in_len~0#1| 2147483647) [2024-11-08 23:29:15,006 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 519) no Hoare annotation was computed. [2024-11-08 23:29:15,006 INFO L77 FloydHoareUtils]: At program point L511-3(line 511) the Hoare annotation is: true [2024-11-08 23:29:15,007 INFO L77 FloydHoareUtils]: At program point strrchr_returnLabel#1(lines 506 514) the Hoare annotation is: true [2024-11-08 23:29:15,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:29:15 ImpRootNode [2024-11-08 23:29:15,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:29:15,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:29:15,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:29:15,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:29:15,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:14" (3/4) ... [2024-11-08 23:29:15,022 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:29:15,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 23:29:15,029 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:29:15,030 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:29:15,030 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:29:15,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:29:15,077 INFO L158 Benchmark]: Toolchain (without parser) took 1589.73ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 96.9MB in the end (delta: 5.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-08 23:29:15,077 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:15,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.82ms. Allocated memory is still 146.8MB. Free memory was 102.4MB in the beginning and 84.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:29:15,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.08ms. Allocated memory is still 146.8MB. Free memory was 84.1MB in the beginning and 82.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:15,083 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 80.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:15,083 INFO L158 Benchmark]: RCFGBuilder took 388.42ms. Allocated memory is still 146.8MB. Free memory was 80.9MB in the beginning and 116.0MB in the end (delta: -35.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 23:29:15,084 INFO L158 Benchmark]: CodeCheck took 518.11ms. Allocated memory is still 146.8MB. Free memory was 115.9MB in the beginning and 99.8MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:15,084 INFO L158 Benchmark]: Witness Printer took 58.27ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 96.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:15,090 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 1 procedures, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 4 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 519]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 519]: 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 0.31ms. Allocated memory is still 146.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.82ms. Allocated memory is still 146.8MB. Free memory was 102.4MB in the beginning and 84.1MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.08ms. Allocated memory is still 146.8MB. Free memory was 84.1MB in the beginning and 82.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 80.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 388.42ms. Allocated memory is still 146.8MB. Free memory was 80.9MB in the beginning and 116.0MB in the end (delta: -35.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * CodeCheck took 518.11ms. Allocated memory is still 146.8MB. Free memory was 115.9MB in the beginning and 99.8MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 58.27ms. Allocated memory is still 146.8MB. Free memory was 99.8MB in the beginning and 96.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:29:15,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/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_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/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 5714449da9967bbd2918d4305e52dc9c1161024d975984886640d613abe881d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:17,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:17,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:29:17,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:17,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:17,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:17,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:17,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:17,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:17,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:17,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:17,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:17,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:17,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:17,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:29:17,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:29:17,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:17,612 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:29:17,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:29:17,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:29:17,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:17,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:17,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:17,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:17,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:17,616 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:17,616 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:29:17,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:17,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:17,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:17,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:17,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:17,618 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:29:17,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:17,619 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:29:17,620 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_66240d04-e278-42bb-b0a4-816a506924ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5714449da9967bbd2918d4305e52dc9c1161024d975984886640d613abe881d1 [2024-11-08 23:29:18,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:18,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:18,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:18,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:18,070 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:18,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-dietlibc/strrchr_short.i Unable to find full path for "g++" [2024-11-08 23:29:20,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:20,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:20,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/sv-benchmarks/c/termination-dietlibc/strrchr_short.i [2024-11-08 23:29:20,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data/122428ba2/a7af25536c124f028b931522ab0bd3fd/FLAG1093cfea4 [2024-11-08 23:29:20,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/data/122428ba2/a7af25536c124f028b931522ab0bd3fd [2024-11-08 23:29:20,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:20,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:20,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:20,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:20,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:20,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:20,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723e015e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20, skipping insertion in model container [2024-11-08 23:29:20,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:20,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:20,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:20,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:20,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:20,992 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:20,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20 WrapperNode [2024-11-08 23:29:20,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:20,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:20,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:20,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:21,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,088 INFO L138 Inliner]: procedures = 114, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2024-11-08 23:29:21,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:21,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:21,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:21,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:21,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:21,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:21,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:21,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:21,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:21,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:21,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:21,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-08 23:29:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:29:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-08 23:29:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:29:21,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:21,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:21,336 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:21,521 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:21,521 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:21,580 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:21,584 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:29:21,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:21 BoogieIcfgContainer [2024-11-08 23:29:21,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:21,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:21,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:21,599 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:21,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:21" (1/1) ... [2024-11-08 23:29:21,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-08 23:29:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-08 23:29:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:29:21,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:21,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:21,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:21,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:29:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:21,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:21,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:29:21,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:21,878 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 23:29:21,880 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:29:21,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:29:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-08 23:29:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-08 23:29:21,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:29:21,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:21,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:21,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:21,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:21,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:29:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:22,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:22,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:29:22,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:22,061 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 23:29:22,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:29:22,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:22,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:29:22,072 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:29:22,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:29:22,072 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:29:22,081 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-08 23:29:22,102 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 519) no Hoare annotation was computed. [2024-11-08 23:29:22,102 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:29:22,103 INFO L77 FloydHoareUtils]: At program point L510-2(lines 510 512) the Hoare annotation is: true [2024-11-08 23:29:22,104 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:29:22,104 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 515 522) the Hoare annotation is: true [2024-11-08 23:29:22,104 INFO L77 FloydHoareUtils]: At program point L519(line 519) the Hoare annotation is: (not (bvslt |ULTIMATE.start_main_~in_len~0#1| (_ bv1 32))) [2024-11-08 23:29:22,105 INFO L77 FloydHoareUtils]: At program point L519-1(line 519) the Hoare annotation is: true [2024-11-08 23:29:22,105 INFO L77 FloydHoareUtils]: At program point L517(line 517) the Hoare annotation is: true [2024-11-08 23:29:22,105 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 519) no Hoare annotation was computed. [2024-11-08 23:29:22,105 INFO L77 FloydHoareUtils]: At program point L511-3(line 511) the Hoare annotation is: true [2024-11-08 23:29:22,106 INFO L77 FloydHoareUtils]: At program point strrchr_returnLabel#1(lines 506 514) the Hoare annotation is: true [2024-11-08 23:29:22,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:29:22 ImpRootNode [2024-11-08 23:29:22,115 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:29:22,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:29:22,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:29:22,118 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:29:22,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:21" (3/4) ... [2024-11-08 23:29:22,120 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:29:22,139 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 23:29:22,140 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:29:22,140 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:29:22,140 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:29:22,176 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:29:22,179 INFO L158 Benchmark]: Toolchain (without parser) took 1822.06ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 59.2MB in the beginning and 90.5MB in the end (delta: -31.3MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2024-11-08 23:29:22,179 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 60.4MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:22,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.06ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 58.9MB in the beginning and 93.1MB in the end (delta: -34.2MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-08 23:29:22,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.16ms. Allocated memory is still 115.3MB. Free memory was 93.1MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:29:22,181 INFO L158 Benchmark]: Boogie Preprocessor took 52.78ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:29:22,181 INFO L158 Benchmark]: RCFGBuilder took 441.15ms. Allocated memory is still 115.3MB. Free memory was 89.4MB in the beginning and 75.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:22,182 INFO L158 Benchmark]: CodeCheck took 529.32ms. Allocated memory is still 115.3MB. Free memory was 75.9MB in the beginning and 60.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:29:22,182 INFO L158 Benchmark]: Witness Printer took 60.82ms. Allocated memory is still 115.3MB. Free memory was 60.3MB in the beginning and 90.5MB in the end (delta: -30.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-11-08 23:29:22,185 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 1 procedures, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 5 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 519]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 519]: 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 0.20ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 60.4MB in the end (delta: 153.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.06ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 58.9MB in the beginning and 93.1MB in the end (delta: -34.2MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.16ms. Allocated memory is still 115.3MB. Free memory was 93.1MB in the beginning and 91.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.78ms. Allocated memory is still 115.3MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.15ms. Allocated memory is still 115.3MB. Free memory was 89.4MB in the beginning and 75.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 529.32ms. Allocated memory is still 115.3MB. Free memory was 75.9MB in the beginning and 60.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 60.82ms. Allocated memory is still 115.3MB. Free memory was 60.3MB in the beginning and 90.5MB in the end (delta: -30.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:29:22,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66240d04-e278-42bb-b0a4-816a506924ec/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: ERROR: ExceptionOrErrorResult: NullPointerException: null