./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk --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 d4dfd97ceb6762815130c4cc12d2984f7fae2d1a6dacba5070982f7eed440802 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:03:24,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:03:24,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 01:03:24,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:03:24,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:03:24,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:03:24,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:03:24,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:03:24,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:03:24,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:03:24,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:03:24,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:03:24,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:03:24,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:03:24,436 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:03:24,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:03:24,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:03:24,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:03:24,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:03:24,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:03:24,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:03:24,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:03:24,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:03:24,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:03:24,448 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:03:24,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:03:24,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:03:24,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:24,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:03:24,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:03:24,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:03:24,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:03:24,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:03:24,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4dfd97ceb6762815130c4cc12d2984f7fae2d1a6dacba5070982f7eed440802 [2024-11-09 01:03:24,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:03:24,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:03:24,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:03:24,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:03:24,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:03:24,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem07_label54.c Unable to find full path for "g++" [2024-11-09 01:03:26,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:03:28,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:03:28,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/sv-benchmarks/c/eca-rers2012/Problem07_label54.c [2024-11-09 01:03:29,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/data/ae08cff6a/9e85866f0537417fa129cb65b6d8f42a/FLAGd595fd1d8 [2024-11-09 01:03:29,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/data/ae08cff6a/9e85866f0537417fa129cb65b6d8f42a [2024-11-09 01:03:29,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:03:29,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:03:29,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:29,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:03:29,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:03:29,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:29" (1/1) ... [2024-11-09 01:03:29,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a7ce2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:29, skipping insertion in model container [2024-11-09 01:03:29,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:29" (1/1) ... [2024-11-09 01:03:30,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:03:42,764 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_b21ea39e-d0af-4bfc-8dae-57414e59e08e/sv-benchmarks/c/eca-rers2012/Problem07_label54.c[2775294,2775307] [2024-11-09 01:03:42,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:42,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:03:50,703 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_b21ea39e-d0af-4bfc-8dae-57414e59e08e/sv-benchmarks/c/eca-rers2012/Problem07_label54.c[2775294,2775307] [2024-11-09 01:03:50,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:52,057 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:03:52,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52 WrapperNode [2024-11-09 01:03:52,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:52,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:52,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:03:52,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:03:52,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:53,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:56,844 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-09 01:03:56,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:56,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:03:56,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:03:56,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:03:56,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:56,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:57,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:57,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:58,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:58,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:59,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:59,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:59,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:03:59,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:03:59,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:03:59,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:03:59,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:52" (1/1) ... [2024-11-09 01:03:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:59,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:03:59,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:03:59,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21ea39e-d0af-4bfc-8dae-57414e59e08e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:03:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:03:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:03:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:03:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:04:00,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:04:00,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:04:53,219 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-11-09 01:04:53,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:04:54,609 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:04:54,609 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:04:54,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:54 BoogieIcfgContainer [2024-11-09 01:04:54,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:04:54,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:04:54,611 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:04:54,622 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:04:54,622 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:04:54" (1/1) ... [2024-11-09 01:04:54,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:04:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:54,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-09 01:04:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-09 01:04:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-09 01:04:55,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:55,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:04:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat