./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/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_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/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 32bit --witnessprinter.graph.data.programhash 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:59:51,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:59:51,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:59:51,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:59:51,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:59:51,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:59:51,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:59:51,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:59:52,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:59:52,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:59:52,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:59:52,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:59:52,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:59:52,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:59:52,001 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:59:52,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:59:52,002 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:59:52,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:59:52,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:59:52,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:59:52,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:59:52,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:59:52,002 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:59:52,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:59:52,002 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_7fa8211b-a857-4015-b121-1807c401b3d0/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 [2024-12-06 00:59:52,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:59:52,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:59:52,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:59:52,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:59:52,245 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:59:52,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2024-12-06 00:59:54,943 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/data/3aa47385e/6c3f8842b62947869f826d9648538302/FLAGe273bd52c [2024-12-06 00:59:55,204 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:59:55,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2024-12-06 00:59:55,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/data/3aa47385e/6c3f8842b62947869f826d9648538302/FLAGe273bd52c [2024-12-06 00:59:55,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/data/3aa47385e/6c3f8842b62947869f826d9648538302 [2024-12-06 00:59:55,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:59:55,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:59:55,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:59:55,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:59:55,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:59:55,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c90ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55, skipping insertion in model container [2024-12-06 00:59:55,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:59:55,458 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_7fa8211b-a857-4015-b121-1807c401b3d0/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2024-12-06 00:59:55,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:59:55,621 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:59:55,650 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_7fa8211b-a857-4015-b121-1807c401b3d0/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2024-12-06 00:59:55,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:59:55,765 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:59:55,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55 WrapperNode [2024-12-06 00:59:55,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:59:55,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:59:55,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:59:55,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:59:55,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,879 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-12-06 00:59:55,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:59:55,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:59:55,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:59:55,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:59:55,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:59:55,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:59:55,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:59:55,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:59:55,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:59:55" (1/1) ... [2024-12-06 00:59:55,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:59:55,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:59:55,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:59:56,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:59:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:59:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:59:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:59:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:59:56,083 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:59:56,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:59:57,710 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-12-06 00:59:57,711 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:00:02,504 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:00:02,504 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:00:02,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:02 BoogieIcfgContainer [2024-12-06 01:00:02,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:00:02,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:00:02,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:00:02,511 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:00:02,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:02" (1/1) ... [2024-12-06 01:00:02,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:00:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:00:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:00:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:00:02,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:02,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:00:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 01:00:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 01:00:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:00:02,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:02,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:42,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:00:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-12-06 01:00:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-12-06 01:00:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:00:42,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:42,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:00:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:02:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-12-06 01:02:11,481 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-12-06 01:02:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:02:11,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:02:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:03:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-12-06 01:03:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-06 01:03:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:03:42,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:42,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:03:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:04:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-06 01:04:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-06 01:04:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:04:40,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:40,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:04:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:05:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:05:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:05:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 36 states and 64 transitions. [2024-12-06 01:05:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 64 transitions. [2024-12-06 01:05:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:05:34,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:05:34,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:05:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:06:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 01:06:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2024-12-06 01:06:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2024-12-06 01:06:28,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:06:28,502 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 01:06:28,509 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:06:28,837 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-12-06 01:06:28,838 INFO L77 FloydHoareUtils]: At program point L183-1(lines 32 1036) the Hoare annotation is: (and (or (and (<= ~a29~0 277) (<= 141 ~a29~0)) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:06:28,838 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (and (or (< 140 ~a29~0) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:06:28,838 INFO L77 FloydHoareUtils]: At program point L186-1(lines 32 1036) the Hoare annotation is: (and (or (< 140 ~a29~0) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:06:28,838 INFO L75 FloydHoareUtils]: For program point L187(line 187) no Hoare annotation was computed. [2024-12-06 01:06:28,838 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:06:28,838 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (and (or (< 140 ~a29~0) (not (= ~a25~0 11)) (< 0 (+ ~a23~0 43)) (not (= ~a4~0 1))) (= ~a3~0 1) (= ~a8~0 15)) [2024-12-06 01:06:28,838 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2024-12-06 01:06:28,838 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:06:28,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:06:28 ImpRootNode [2024-12-06 01:06:28,847 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:06:28,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:06:28,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:06:28,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:06:28,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:00:02" (3/4) ... [2024-12-06 01:06:28,850 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:06:28,861 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 273 nodes and edges [2024-12-06 01:06:28,862 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 01:06:28,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:06:28,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:06:28,986 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:06:28,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:06:28,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:06:28,988 INFO L158 Benchmark]: Toolchain (without parser) took 393752.64ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 116.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 01:06:28,988 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:28,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.97ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 74.1MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:06:28,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.36ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 105.1MB in the end (delta: -31.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-12-06 01:06:28,989 INFO L158 Benchmark]: Boogie Preprocessor took 89.42ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 95.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:06:28,989 INFO L158 Benchmark]: RCFGBuilder took 6535.36ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 95.7MB in the beginning and 863.1MB in the end (delta: -767.4MB). Peak memory consumption was 715.5MB. Max. memory is 16.1GB. [2024-12-06 01:06:28,989 INFO L158 Benchmark]: CodeCheck took 386341.71ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 863.1MB in the beginning and 2.0GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 01:06:28,990 INFO L158 Benchmark]: Witness Printer took 139.22ms. Allocated memory is still 3.3GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:06:28,992 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 386.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 664 IncrementalHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 109 mSDtfsCounter, 664 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 789 SyntacticMatches, 31 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1606 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 380.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1055 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 187]: 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: 1044]: Loop Invariant Derived loop invariant: ((((((140 < a29) || (a25 != 11)) || (0 < ((long long) a23 + 43))) || (a4 != 1)) && (a3 == 1)) && (a8 == 15)) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: ((((((140 < a29) || (a25 != 11)) || (0 < ((long long) a23 + 43))) || (a4 != 1)) && (a3 == 1)) && (a8 == 15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.97ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 74.1MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.36ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 105.1MB in the end (delta: -31.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.42ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 95.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6535.36ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 95.7MB in the beginning and 863.1MB in the end (delta: -767.4MB). Peak memory consumption was 715.5MB. Max. memory is 16.1GB. * CodeCheck took 386341.71ms. Allocated memory was 1.1GB in the beginning and 3.3GB in the end (delta: 2.2GB). Free memory was 863.1MB in the beginning and 2.0GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 139.22ms. Allocated memory is still 3.3GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:06:29,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fa8211b-a857-4015-b121-1807c401b3d0/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