./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/trex01-2.i --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_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/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_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/trex01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/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_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/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 fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:59:06,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:59:06,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:59:06,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:59:06,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:59:06,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:59:06,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:59:06,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:59:06,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:59:06,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:59:06,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:59:06,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:59:06,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:59:06,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:59:06,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:06,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:59:06,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:59:06,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:59:06,395 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:59:06,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:59:06,395 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_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/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 -> fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 [2024-11-13 20:59:06,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:59:06,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:59:06,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:59:06,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:59:06,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:59:06,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops/trex01-2.i Unable to find full path for "g++" [2024-11-13 20:59:08,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:59:08,811 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:59:08,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/sv-benchmarks/c/loops/trex01-2.i [2024-11-13 20:59:08,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/data/ecae1d43e/133a85be6b0e4085b20596772794c378/FLAG661095e79 [2024-11-13 20:59:08,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/data/ecae1d43e/133a85be6b0e4085b20596772794c378 [2024-11-13 20:59:08,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:59:08,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:59:08,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:08,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:59:08,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:59:08,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:08" (1/1) ... [2024-11-13 20:59:08,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6350b6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:08, skipping insertion in model container [2024-11-13 20:59:08,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:08" (1/1) ... [2024-11-13 20:59:08,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:59:09,053 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_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/sv-benchmarks/c/loops/trex01-2.i[895,908] [2024-11-13 20:59:09,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:09,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:59:09,106 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_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/sv-benchmarks/c/loops/trex01-2.i[895,908] [2024-11-13 20:59:09,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:09,136 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:59:09,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09 WrapperNode [2024-11-13 20:59:09,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:09,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:09,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:59:09,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:59:09,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,174 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-11-13 20:59:09,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:09,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:59:09,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:59:09,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:59:09,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:59:09,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:59:09,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:59:09,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:59:09,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:09,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:59:09,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:59:09,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:59:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:59:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:59:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:59:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:59:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:59:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:59:09,360 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:59:09,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:59:09,536 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 20:59:09,536 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:59:09,614 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:59:09,614 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:59:09,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:09 BoogieIcfgContainer [2024-11-13 20:59:09,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:59:09,616 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:59:09,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:59:09,632 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:59:09,632 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:09" (1/1) ... [2024-11-13 20:59:09,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:59:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 20:59:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 20:59:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:59:09,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:09,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:10,079 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 20:59:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-13 20:59:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-13 20:59:10,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:59:10,174 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-13 20:59:10,187 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:59:10,220 INFO L75 FloydHoareUtils]: For program point fErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-13 20:59:10,220 INFO L77 FloydHoareUtils]: At program point L27(lines 27 29) the Hoare annotation is: (< 0 |f_~z~0#1|) [2024-11-13 20:59:10,220 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-13 20:59:10,221 INFO L77 FloydHoareUtils]: At program point fEXIT(lines 25 47) the Hoare annotation is: true [2024-11-13 20:59:10,221 INFO L77 FloydHoareUtils]: At program point L36-2(lines 36 46) the Hoare annotation is: true [2024-11-13 20:59:10,222 INFO L77 FloydHoareUtils]: At program point L36-3(lines 25 47) the Hoare annotation is: true [2024-11-13 20:59:10,222 INFO L77 FloydHoareUtils]: At program point L32(lines 32 33) the Hoare annotation is: true [2024-11-13 20:59:10,223 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 25 47) the Hoare annotation is: true [2024-11-13 20:59:10,223 INFO L77 FloydHoareUtils]: At program point L34(line 34) the Hoare annotation is: true [2024-11-13 20:59:10,225 INFO L77 FloydHoareUtils]: At program point L30-2(line 30) the Hoare annotation is: (< 0 |f_~z~0#1|) [2024-11-13 20:59:10,225 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (not (= |f___VERIFIER_assert_~cond#1| 0)) [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point L53(line 53) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point L53-1(lines 50 54) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point L50(lines 50 54) the Hoare annotation is: true [2024-11-13 20:59:10,226 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:59:10,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:59:10 ImpRootNode [2024-11-13 20:59:10,245 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:59:10,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:59:10,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:59:10,246 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:59:10,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:09" (3/4) ... [2024-11-13 20:59:10,250 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:59:10,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-13 20:59:10,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 20:59:10,272 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 20:59:10,273 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:59:10,273 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:59:10,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:59:10,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:59:10,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:59:10,363 INFO L158 Benchmark]: Toolchain (without parser) took 1515.86ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 78.5MB in the end (delta: 5.4MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-13 20:59:10,363 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:10,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.73ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 72.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:10,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 71.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:10,364 INFO L158 Benchmark]: Boogie Preprocessor took 32.36ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 70.5MB in the end (delta: 620.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:10,364 INFO L158 Benchmark]: RCFGBuilder took 405.50ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 57.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:10,365 INFO L158 Benchmark]: CodeCheck took 629.25ms. Allocated memory is still 109.1MB. Free memory was 56.6MB in the beginning and 37.3MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:59:10,366 INFO L158 Benchmark]: Witness Printer took 113.85ms. Allocated memory is still 109.1MB. Free memory was 36.9MB in the beginning and 78.5MB in the end (delta: -41.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-13 20:59:10,368 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 11 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 19]: 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 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (0 < z) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.55ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.73ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 72.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 71.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.36ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 70.5MB in the end (delta: 620.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.50ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 57.0MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 629.25ms. Allocated memory is still 109.1MB. Free memory was 56.6MB in the beginning and 37.3MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 113.85ms. Allocated memory is still 109.1MB. Free memory was 36.9MB in the beginning and 78.5MB in the end (delta: -41.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:59:10,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_206feb24-b44a-4fb3-8c65-08b3c8a92f1c/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