./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/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_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92296dc205042e203e49a0f508dfdcdcae7c81ca61407e6509b5b78fafc04385 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:17:09,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:17:10,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:17:10,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:17:10,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:17:10,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:17:10,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:17:10,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:17:10,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:17:10,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:17:10,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:17:10,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:17:10,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:17:10,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:17:10,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:17:10,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:17:10,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:17:10,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:17:10,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:17:10,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:17:10,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:17:10,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:17:10,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:17:10,092 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:17:10,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:17:10,093 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:17:10,093 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:17:10,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:10,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:17:10,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:17:10,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:17:10,114 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:17:10,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:17:10,114 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_43f8c5d9-21a3-4d70-b7de-8703b3d01689/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92296dc205042e203e49a0f508dfdcdcae7c81ca61407e6509b5b78fafc04385 [2024-11-08 23:17:10,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:17:10,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:17:10,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:17:10,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:17:10,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:17:10,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/while_infinite_loop_3.c Unable to find full path for "g++" [2024-11-08 23:17:12,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:17:12,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:17:12,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/sv-benchmarks/c/loops/while_infinite_loop_3.c [2024-11-08 23:17:12,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/data/4cd9876dd/0ef8565d436c4faaace1554b5129401b/FLAG892646b4c [2024-11-08 23:17:12,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/data/4cd9876dd/0ef8565d436c4faaace1554b5129401b [2024-11-08 23:17:12,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:17:12,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:17:12,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:12,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:17:12,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:17:12,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:12" (1/1) ... [2024-11-08 23:17:12,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574d99ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:12, skipping insertion in model container [2024-11-08 23:17:12,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:12" (1/1) ... [2024-11-08 23:17:12,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:17:13,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/sv-benchmarks/c/loops/while_infinite_loop_3.c[333,346] [2024-11-08 23:17:13,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:13,025 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:17:13,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/sv-benchmarks/c/loops/while_infinite_loop_3.c[333,346] [2024-11-08 23:17:13,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:13,055 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:17:13,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13 WrapperNode [2024-11-08 23:17:13,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:13,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:13,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:17:13,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:17:13,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,083 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-08 23:17:13,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:13,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:17:13,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:17:13,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:17:13,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:17:13,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:17:13,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:17:13,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:17:13,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:13,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:17:13,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:17:13,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:17:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:17:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:17:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:17:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:17:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:17:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:17:13,251 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:17:13,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:13,395 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:13,395 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:13,449 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:13,449 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:17:13,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:13 BoogieIcfgContainer [2024-11-08 23:17:13,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:13,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:17:13,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:17:13,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:17:13,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:13" (1/1) ... [2024-11-08 23:17:13,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:17:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:17:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:17:13,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:13,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:13,705 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 23:17:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 9 transitions. [2024-11-08 23:17:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:17:13,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:17:13,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:13,955 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 23:17:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 7 transitions. [2024-11-08 23:17:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-08 23:17:14,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:17:14,065 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:17:14,079 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:17:14,105 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:17:14,106 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: (= ~x~0 0) [2024-11-08 23:17:14,106 INFO L77 FloydHoareUtils]: At program point L29-1(lines 26 30) the Hoare annotation is: true [2024-11-08 23:17:14,106 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:17:14,107 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-08 23:17:14,107 INFO L75 FloydHoareUtils]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2024-11-08 23:17:14,107 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 5 10) the Hoare annotation is: true [2024-11-08 23:17:14,108 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 5 10) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 23:17:14,108 INFO L75 FloydHoareUtils]: For program point L7(line 7) no Hoare annotation was computed. [2024-11-08 23:17:14,109 INFO L77 FloydHoareUtils]: At program point L6(lines 6 8) the Hoare annotation is: (not (= __VERIFIER_assert_~cond 0)) [2024-11-08 23:17:14,109 INFO L77 FloydHoareUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2024-11-08 23:17:14,110 INFO L75 FloydHoareUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2024-11-08 23:17:14,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:17:14 ImpRootNode [2024-11-08 23:17:14,131 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:17:14,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:17:14,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:17:14,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:17:14,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:13" (3/4) ... [2024-11-08 23:17:14,137 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:17:14,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:17:14,147 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 23:17:14,147 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:17:14,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:17:14,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:17:14,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:17:14,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:17:14,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:17:14,253 INFO L158 Benchmark]: Toolchain (without parser) took 1474.96ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 92.2MB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 23:17:14,254 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 176.2MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:14,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.79ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 129.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:17:14,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.44ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 128.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:14,256 INFO L158 Benchmark]: Boogie Preprocessor took 17.62ms. Allocated memory is still 176.2MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:14,257 INFO L158 Benchmark]: RCFGBuilder took 347.67ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 117.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:17:14,258 INFO L158 Benchmark]: CodeCheck took 680.50ms. Allocated memory is still 176.2MB. Free memory was 117.3MB in the beginning and 96.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:17:14,262 INFO L158 Benchmark]: Witness Printer took 119.66ms. Allocated memory is still 176.2MB. Free memory was 96.4MB in the beginning and 92.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:17:14,264 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 2 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 20 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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: 7]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (cond != 0) Ensures: (x == \old(x)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 176.2MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.79ms. Allocated memory is still 176.2MB. Free memory was 141.9MB in the beginning and 129.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.44ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 128.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.62ms. Allocated memory is still 176.2MB. Free memory was 128.4MB in the beginning and 127.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.67ms. Allocated memory is still 176.2MB. Free memory was 127.3MB in the beginning and 117.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 680.50ms. Allocated memory is still 176.2MB. Free memory was 117.3MB in the beginning and 96.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 119.66ms. Allocated memory is still 176.2MB. Free memory was 96.4MB in the beginning and 92.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:17:14,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43f8c5d9-21a3-4d70-b7de-8703b3d01689/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 Writing output log to file Ultimate.log Result: TRUE