./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label57.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_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/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_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/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_7668c94e-d4bc-4ecb-9def-13aa73562a66/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 6b5f9be82810a895126d332df54c5a2750e68d4ab931247c71898627df874adb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:56:34,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:56:34,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:56:34,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:56:34,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:56:34,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:56:34,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:56:34,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:56:34,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:56:34,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:56:34,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:56:34,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:56:34,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:56:34,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:56:34,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:34,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:56:34,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:56:34,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:56:34,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:56:34,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:56:34,861 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_7668c94e-d4bc-4ecb-9def-13aa73562a66/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 -> 6b5f9be82810a895126d332df54c5a2750e68d4ab931247c71898627df874adb [2024-12-06 05:56:35,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:56:35,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:56:35,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:56:35,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:56:35,115 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:56:35,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem12_label57.c [2024-12-06 05:56:37,774 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/data/212d95337/35c35b0253294479a5f65f944f4b665b/FLAGe9fa14ae6 [2024-12-06 05:56:38,225 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:56:38,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/sv-benchmarks/c/eca-rers2012/Problem12_label57.c [2024-12-06 05:56:38,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/data/212d95337/35c35b0253294479a5f65f944f4b665b/FLAGe9fa14ae6 [2024-12-06 05:56:38,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/data/212d95337/35c35b0253294479a5f65f944f4b665b [2024-12-06 05:56:38,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:56:38,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:56:38,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:38,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:56:38,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:56:38,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:38" (1/1) ... [2024-12-06 05:56:38,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@271dc752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:38, skipping insertion in model container [2024-12-06 05:56:38,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:56:38" (1/1) ... [2024-12-06 05:56:38,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:56:38,574 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_7668c94e-d4bc-4ecb-9def-13aa73562a66/sv-benchmarks/c/eca-rers2012/Problem12_label57.c[4795,4808] [2024-12-06 05:56:39,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:39,236 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:56:39,253 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_7668c94e-d4bc-4ecb-9def-13aa73562a66/sv-benchmarks/c/eca-rers2012/Problem12_label57.c[4795,4808] [2024-12-06 05:56:39,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:56:39,684 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:56:39,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39 WrapperNode [2024-12-06 05:56:39,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:56:39,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:39,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:56:39,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:56:39,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:39,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,002 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4760 [2024-12-06 05:56:40,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:56:40,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:56:40,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:56:40,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:56:40,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:56:40,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:56:40,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:56:40,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:56:40,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:56:39" (1/1) ... [2024-12-06 05:56:40,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:56:40,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:56:40,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:56:40,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7668c94e-d4bc-4ecb-9def-13aa73562a66/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:56:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:56:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:56:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:56:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:56:40,481 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:56:40,482 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:56:44,634 INFO L? ?]: Removed 702 outVars from TransFormulas that were not future-live. [2024-12-06 05:56:44,635 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:58:21,308 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:58:21,308 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:58:21,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:21 BoogieIcfgContainer [2024-12-06 05:58:21,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:58:21,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:58:21,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:58:21,316 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:58:21,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:58:21" (1/1) ... [2024-12-06 05:58:21,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:58:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 05:58:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 05:58:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:58:21,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:21,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:21,523 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 05:58:21,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:21,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 05:58:21,985 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 05:58:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:58:21,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:21,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms