./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/McCarthy91-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/McCarthy91-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm --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 2a5dd5c1c64cd1875ba800cc2db6d1da955f2d2f519c1964ff87558bc42b9b4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:21:21,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:21:21,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:21:21,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:21:21,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:21:21,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:21:21,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:21:21,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:21:21,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:21:21,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:21:21,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:21:21,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:21:21,813 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:21:21,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:21:21,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:21:21,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:21:21,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:21:21,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:21:21,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:21:21,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:21:21,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:21:21,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:21:21,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:21:21,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:21:21,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:21:21,817 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:21:21,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:21:21,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm 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 -> 2a5dd5c1c64cd1875ba800cc2db6d1da955f2d2f519c1964ff87558bc42b9b4c [2024-11-13 20:21:22,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:21:22,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:21:22,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:21:22,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:21:22,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:21:22,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive/McCarthy91-2.c Unable to find full path for "g++" [2024-11-13 20:21:24,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:21:24,489 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:21:24,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/sv-benchmarks/c/recursive/McCarthy91-2.c [2024-11-13 20:21:24,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/data/8d9a7ec8f/f0ed8cbc9a7f4184bb381a6501a92627/FLAGf1edf0dfe [2024-11-13 20:21:24,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/data/8d9a7ec8f/f0ed8cbc9a7f4184bb381a6501a92627 [2024-11-13 20:21:24,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:21:24,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:21:24,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:21:24,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:21:24,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:21:24,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1972c0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24, skipping insertion in model container [2024-11-13 20:21:24,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:21:24,689 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_0cd30506-9a97-4857-8f67-6067c9cad119/sv-benchmarks/c/recursive/McCarthy91-2.c[749,762] [2024-11-13 20:21:24,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:21:24,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:21:24,723 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_0cd30506-9a97-4857-8f67-6067c9cad119/sv-benchmarks/c/recursive/McCarthy91-2.c[749,762] [2024-11-13 20:21:24,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:21:24,739 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:21:24,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24 WrapperNode [2024-11-13 20:21:24,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:21:24,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:21:24,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:21:24,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:21:24,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,777 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-13 20:21:24,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:21:24,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:21:24,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:21:24,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:21:24,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:21:24,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:21:24,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:21:24,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:21:24,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:24" (1/1) ... [2024-11-13 20:21:24,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:21:24,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:21:24,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:21:24,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:21:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:21:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:21:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:21:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:21:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2024-11-13 20:21:24,893 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2024-11-13 20:21:24,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:21:24,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:21:25,073 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:21:25,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:21:25,095 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:21:25,095 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:21:25,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:25 BoogieIcfgContainer [2024-11-13 20:21:25,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:21:25,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:21:25,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:21:25,107 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:21:25,107 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:25" (1/1) ... [2024-11-13 20:21:25,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:21:25,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-13 20:21:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 20:21:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:21:25,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:25,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 20:21:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 20:21:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:21:25,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:25,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:21:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 18 states and 23 transitions. [2024-11-13 20:21:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-13 20:21:27,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:21:27,502 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-13 20:21:27,514 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:21:27,591 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:21:27,591 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-13 20:21:27,591 INFO L77 FloydHoareUtils]: At program point L29(lines 29 33) the Hoare annotation is: true [2024-11-13 20:21:27,591 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 20:21:27,591 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point L26(lines 26 34) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 32) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point f91FINAL(lines 17 23) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 23) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (<= f91_~x 100) [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: true [2024-11-13 20:21:27,592 INFO L77 FloydHoareUtils]: At program point L21-2(line 21) the Hoare annotation is: true [2024-11-13 20:21:27,593 INFO L77 FloydHoareUtils]: At program point f91EXIT(lines 17 23) the Hoare annotation is: true [2024-11-13 20:21:27,593 INFO L77 FloydHoareUtils]: At program point L18(lines 18 22) the Hoare annotation is: (= f91_~x |f91_#in~x|) [2024-11-13 20:21:27,593 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: true [2024-11-13 20:21:27,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:21:27 ImpRootNode [2024-11-13 20:21:27,610 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:21:27,610 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:21:27,610 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:21:27,611 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:21:27,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:25" (3/4) ... [2024-11-13 20:21:27,614 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:21:27,618 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f91 [2024-11-13 20:21:27,624 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 20:21:27,624 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:21:27,624 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:21:27,625 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:21:27,736 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:21:27,737 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:21:27,737 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:21:27,738 INFO L158 Benchmark]: Toolchain (without parser) took 3216.90ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 88.3MB in the end (delta: 4.7MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-13 20:21:27,738 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:21:27,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.14ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.2MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:21:27,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.54ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:21:27,739 INFO L158 Benchmark]: Boogie Preprocessor took 24.28ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.7MB in the end (delta: 477.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:21:27,740 INFO L158 Benchmark]: RCFGBuilder took 291.80ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 70.7MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:21:27,740 INFO L158 Benchmark]: CodeCheck took 2513.58ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 34.3MB in the end (delta: 36.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-13 20:21:27,741 INFO L158 Benchmark]: Witness Printer took 126.60ms. Allocated memory is still 117.4MB. Free memory was 34.3MB in the beginning and 88.3MB in the end (delta: -54.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-13 20:21:27,745 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, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 20 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 202 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 8/12 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: 32]: 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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.14ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.2MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.54ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.28ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.7MB in the end (delta: 477.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.80ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 70.7MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2513.58ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 34.3MB in the end (delta: 36.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 126.60ms. Allocated memory is still 117.4MB. Free memory was 34.3MB in the beginning and 88.3MB in the end (delta: -54.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:21:27,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd30506-9a97-4857-8f67-6067c9cad119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE