./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_1.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_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/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_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/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_19c61624-c5d9-43ac-892b-d9d981aec2e2/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 6835149c4278fd8af0ce273d8cc15b325ec6738caba22fa2c7b2c4b417fc898f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:38:38,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:38:38,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:38:38,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:38:38,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:38:38,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:38:38,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:38:38,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:38:38,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:38:38,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:38:38,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:38:38,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:38:38,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:38:38,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:38:38,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:38:38,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:38:38,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:38:38,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:38:38,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:38:38,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:38:38,883 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:38:38,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:38:38,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:38:38,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:38:38,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:38:38,888 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:38:38,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:38:38,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:38,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:38:38,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:38:38,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:38:38,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:38:38,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:38:38,895 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_19c61624-c5d9-43ac-892b-d9d981aec2e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6835149c4278fd8af0ce273d8cc15b325ec6738caba22fa2c7b2c4b417fc898f [2024-11-08 23:38:39,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:38:39,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:38:39,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:38:39,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:38:39,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:38:39,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/while_infinite_loop_1.c Unable to find full path for "g++" [2024-11-08 23:38:41,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:38:41,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:38:41,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/sv-benchmarks/c/loops/while_infinite_loop_1.c [2024-11-08 23:38:41,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/data/b4b80f4b3/2a1d4d86c3e6476c9bc862b9956c9722/FLAG838c2712e [2024-11-08 23:38:41,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/data/b4b80f4b3/2a1d4d86c3e6476c9bc862b9956c9722 [2024-11-08 23:38:41,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:38:41,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:38:41,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:41,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:38:41,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:38:41,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135dda18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41, skipping insertion in model container [2024-11-08 23:38:41,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:38:41,655 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_19c61624-c5d9-43ac-892b-d9d981aec2e2/sv-benchmarks/c/loops/while_infinite_loop_1.c[333,346] [2024-11-08 23:38:41,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:41,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:38:41,695 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_19c61624-c5d9-43ac-892b-d9d981aec2e2/sv-benchmarks/c/loops/while_infinite_loop_1.c[333,346] [2024-11-08 23:38:41,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:38:41,716 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:38:41,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41 WrapperNode [2024-11-08 23:38:41,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:38:41,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:41,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:38:41,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:38:41,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,753 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-08 23:38:41,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:38:41,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:38:41,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:38:41,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:38:41,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:38:41,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:38:41,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:38:41,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:38:41,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:38:41" (1/1) ... [2024-11-08 23:38:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:38:41,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:38:41,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:38:41,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:38:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:38:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:38:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:38:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:38:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:38:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:38:41,908 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:38:41,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:38:42,011 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-08 23:38:42,012 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:38:42,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:38:42,047 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:38:42,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:42 BoogieIcfgContainer [2024-11-08 23:38:42,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:38:42,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:38:42,048 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:38:42,058 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:38:42,058 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:42" (1/1) ... [2024-11-08 23:38:42,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:38:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:38:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:38:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:38:42,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:42,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:42,300 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 23:38:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:42,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 9 transitions. [2024-11-08 23:38:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:38:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:38:42,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:42,476 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 23:38:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 7 states and 7 transitions. [2024-11-08 23:38:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-08 23:38:42,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:38:42,597 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:38:42,607 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:38:42,643 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:38:42,644 INFO L77 FloydHoareUtils]: At program point L20(lines 12 21) the Hoare annotation is: true [2024-11-08 23:38:42,644 INFO L77 FloydHoareUtils]: At program point L17(line 17) the Hoare annotation is: true [2024-11-08 23:38:42,644 INFO L77 FloydHoareUtils]: At program point L17-1(lines 15 18) the Hoare annotation is: true [2024-11-08 23:38:42,644 INFO L75 FloydHoareUtils]: For program point L15-2(lines 15 18) no Hoare annotation was computed. [2024-11-08 23:38:42,645 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:38:42,645 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 5 10) the Hoare annotation is: true [2024-11-08 23:38:42,645 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 5 10) the Hoare annotation is: true [2024-11-08 23:38:42,646 INFO L77 FloydHoareUtils]: At program point L7(line 7) the Hoare annotation is: true [2024-11-08 23:38:42,646 INFO L77 FloydHoareUtils]: At program point L6(lines 6 8) the Hoare annotation is: true [2024-11-08 23:38:42,646 INFO L77 FloydHoareUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2024-11-08 23:38:42,647 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) the Hoare annotation is: true [2024-11-08 23:38:42,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:38:42 ImpRootNode [2024-11-08 23:38:42,674 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:38:42,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:38:42,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:38:42,676 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:38:42,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:38:42" (3/4) ... [2024-11-08 23:38:42,680 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:38:42,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:38:42,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 23:38:42,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:38:42,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:38:42,689 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:38:42,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:38:42,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:38:42,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:38:42,780 INFO L158 Benchmark]: Toolchain (without parser) took 1344.22ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 62.0MB in the end (delta: 48.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:42,781 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:42,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.22ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 98.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:38:42,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.42ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 97.2MB in the end (delta: 964.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:38:42,782 INFO L158 Benchmark]: Boogie Preprocessor took 22.38ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 96.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:38:42,783 INFO L158 Benchmark]: RCFGBuilder took 269.56ms. Allocated memory is still 155.2MB. Free memory was 96.0MB in the beginning and 86.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:38:42,784 INFO L158 Benchmark]: CodeCheck took 626.45ms. Allocated memory is still 155.2MB. Free memory was 86.0MB in the beginning and 66.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:38:42,785 INFO L158 Benchmark]: Witness Printer took 103.83ms. Allocated memory is still 155.2MB. Free memory was 66.2MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:38:42,788 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: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 22 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 76 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, 20 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.22ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 98.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.42ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 97.2MB in the end (delta: 964.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.38ms. Allocated memory is still 155.2MB. Free memory was 97.2MB in the beginning and 96.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.56ms. Allocated memory is still 155.2MB. Free memory was 96.0MB in the beginning and 86.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 626.45ms. Allocated memory is still 155.2MB. Free memory was 86.0MB in the beginning and 66.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 103.83ms. Allocated memory is still 155.2MB. Free memory was 66.2MB in the beginning and 62.0MB 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 23:38:42,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19c61624-c5d9-43ac-892b-d9d981aec2e2/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