./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash b72f90ebf40fd3c3c0277f56c4a142ed4148949349e56c1308f0c136bbcf9246 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:54:01,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:54:01,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 21:54:01,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:54:01,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:54:01,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:54:01,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:54:01,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:54:01,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:54:01,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:54:01,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:54:01,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:54:01,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:54:01,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:54:01,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:54:01,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:54:01,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:54:01,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:54:01,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:54:01,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:54:01,477 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:54:01,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:54:01,477 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_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b72f90ebf40fd3c3c0277f56c4a142ed4148949349e56c1308f0c136bbcf9246 [2024-12-05 21:54:01,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:54:01,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:54:01,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:54:01,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:54:01,744 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:54:01,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2024-12-05 21:54:04,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/data/0105ce198/c8ba0759f4af4fa5bb045966316343af/FLAG0f50fa07c [2024-12-05 21:54:04,642 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:54:04,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c [2024-12-05 21:54:04,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/data/0105ce198/c8ba0759f4af4fa5bb045966316343af/FLAG0f50fa07c [2024-12-05 21:54:05,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/data/0105ce198/c8ba0759f4af4fa5bb045966316343af [2024-12-05 21:54:05,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:54:05,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:54:05,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:54:05,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:54:05,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:54:05,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f32dea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05, skipping insertion in model container [2024-12-05 21:54:05,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:54:05,138 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_497c7ed6-5798-4f52-84f5-c1590cdc7604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c[1266,1279] [2024-12-05 21:54:05,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:54:05,200 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:54:05,207 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_497c7ed6-5798-4f52-84f5-c1590cdc7604/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p18.c[1266,1279] [2024-12-05 21:54:05,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:54:05,250 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:54:05,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05 WrapperNode [2024-12-05 21:54:05,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:54:05,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:54:05,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:54:05,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:54:05,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,302 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 325 [2024-12-05 21:54:05,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:54:05,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:54:05,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:54:05,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:54:05,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,327 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:54:05,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:54:05,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:54:05,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:54:05,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:54:05" (1/1) ... [2024-12-05 21:54:05,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:54:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:54:05,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:54:05,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:54:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:54:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:54:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:54:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:54:05,485 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:54:05,486 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:54:05,880 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-12-05 21:54:05,880 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:54:06,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:54:06,161 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:54:06,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:54:06 BoogieIcfgContainer [2024-12-05 21:54:06,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:54:06,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:54:06,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:54:06,173 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:54:06,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:54:06" (1/1) ... [2024-12-05 21:54:06,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:54:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:54:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:54:06,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:54:06,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:06,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:54:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:07,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 21:54:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 21:54:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:54:07,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:54:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 21:54:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 21:54:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:54:09,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:54:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2024-12-05 21:54:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2024-12-05 21:54:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:54:12,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:54:12,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:54:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:54:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 21:54:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:54:16,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2024-12-05 21:54:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2024-12-05 21:54:16,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:54:16,290 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 21:54:16,298 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:54:16,454 INFO L77 FloydHoareUtils]: At program point L86-1(lines 86 185) the Hoare annotation is: (and (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0)) [2024-12-05 21:54:16,454 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~var_12~0#1| 1) (<= 0 (div |ULTIMATE.start_main_~state_8~0#1| 256)) (<= |ULTIMATE.start_main_~state_8~0#1| 0) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0)) [2024-12-05 21:54:16,454 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-05 21:54:16,454 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0)) [2024-12-05 21:54:16,454 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:54:16,454 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-05 21:54:16,454 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-05 21:54:16,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:54:16 ImpRootNode [2024-12-05 21:54:16,466 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:54:16,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:54:16,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:54:16,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:54:16,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:54:06" (3/4) ... [2024-12-05 21:54:16,470 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:54:16,481 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2024-12-05 21:54:16,482 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-05 21:54:16,482 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 21:54:16,483 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:54:16,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:54:16,588 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:54:16,588 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:54:16,590 INFO L158 Benchmark]: Toolchain (without parser) took 11579.00ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 115.8MB in the beginning and 279.8MB in the end (delta: -164.0MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB. [2024-12-05 21:54:16,590 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:54:16,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.30ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 101.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:54:16,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.18ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 95.7MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:54:16,591 INFO L158 Benchmark]: Boogie Preprocessor took 42.86ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 93.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:54:16,592 INFO L158 Benchmark]: RCFGBuilder took 815.63ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 75.5MB in the end (delta: 17.7MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-12-05 21:54:16,592 INFO L158 Benchmark]: CodeCheck took 10303.48ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 75.5MB in the beginning and 287.9MB in the end (delta: -212.4MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2024-12-05 21:54:16,592 INFO L158 Benchmark]: Witness Printer took 121.87ms. Allocated memory is still 453.0MB. Free memory was 287.9MB in the beginning and 279.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:54:16,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 4 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 234 SyntacticMatches, 12 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1640 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 3/24 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 21]: 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: 86]: Loop Invariant Derived loop invariant: (((((var_12 == 1) && (state_8 == 0)) && (state_15 == 0)) && (var_22 == 1)) && (var_7 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 142.6MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.30ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 101.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.18ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 95.7MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.86ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 93.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 815.63ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 75.5MB in the end (delta: 17.7MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * CodeCheck took 10303.48ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 75.5MB in the beginning and 287.9MB in the end (delta: -212.4MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * Witness Printer took 121.87ms. Allocated memory is still 453.0MB. Free memory was 287.9MB in the beginning and 279.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:54:16,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_497c7ed6-5798-4f52-84f5-c1590cdc7604/bin/ukojak-verify-CZk0znPC7b/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