./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label33.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_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/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_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/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_3f2683eb-e444-471f-8333-b216b5d65678/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 4eafa18fa34bccb4f26fd21dc046253e9397c192d060ca07a38463108045fd1d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:20:50,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:20:51,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:20:51,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:20:51,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:20:51,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:20:51,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:20:51,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:20:51,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:20:51,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:20:51,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:20:51,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:20:51,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:20:51,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:20:51,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:20:51,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:20:51,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:20:51,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:20:51,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:20:51,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:20:51,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:20:51,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:20:51,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:20:51,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:20:51,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:20:51,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:20:51,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:20:51,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:20:51,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:20:51,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:20:51,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:20:51,058 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:20:51,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:20:51,061 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_3f2683eb-e444-471f-8333-b216b5d65678/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eafa18fa34bccb4f26fd21dc046253e9397c192d060ca07a38463108045fd1d [2024-11-09 00:20:51,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:20:51,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:20:51,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:20:51,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:20:51,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:20:51,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem07_label33.c Unable to find full path for "g++" [2024-11-09 00:20:53,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:20:55,972 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:20:55,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/sv-benchmarks/c/eca-rers2012/Problem07_label33.c [2024-11-09 00:20:56,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/data/67f03a518/01c831251c364bbf82c0b6661f1ea19c/FLAG1ebe68a9e [2024-11-09 00:20:56,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/data/67f03a518/01c831251c364bbf82c0b6661f1ea19c [2024-11-09 00:20:56,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:20:56,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:20:56,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:20:56,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:20:56,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:20:56,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:56" (1/1) ... [2024-11-09 00:20:56,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7087eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:20:56, skipping insertion in model container [2024-11-09 00:20:56,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:20:56" (1/1) ... [2024-11-09 00:20:57,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:21:09,469 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_3f2683eb-e444-471f-8333-b216b5d65678/sv-benchmarks/c/eca-rers2012/Problem07_label33.c[2771543,2771556] [2024-11-09 00:21:09,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:09,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:21:17,592 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_3f2683eb-e444-471f-8333-b216b5d65678/sv-benchmarks/c/eca-rers2012/Problem07_label33.c[2771543,2771556] [2024-11-09 00:21:17,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:21:18,862 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:21:18,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18 WrapperNode [2024-11-09 00:21:18,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:21:18,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:18,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:21:18,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:21:18,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:19,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:22,403 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-09 00:21:22,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:21:22,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:21:22,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:21:22,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:21:22,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:22,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:22,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:22,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:24,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:24,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:25,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:25,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:25,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:21:25,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:21:25,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:21:25,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:21:25,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:21:18" (1/1) ... [2024-11-09 00:21:25,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:21:25,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:21:25,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:21:25,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2683eb-e444-471f-8333-b216b5d65678/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:21:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:21:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:21:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:21:26,025 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:21:26,028 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:18,058 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:18,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:19,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:19,292 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:22:19,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:19 BoogieIcfgContainer [2024-11-09 00:22:19,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:19,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:19,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:19,305 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:19,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:19" (1/1) ... [2024-11-09 00:22:19,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-09 00:22:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-09 00:22:20,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-09 00:22:20,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat