./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label20.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_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/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_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/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_4964d0b0-5276-49c9-bebf-4f9a334d3dde/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 45bf9d414a75e827d4f973e19b575c252ef631a691b24da068436d7dc51d31e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:43,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:43,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:15:43,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:15:43,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:15:43,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:43,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:43,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:43,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:43,539 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:43,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:43,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:43,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:15:43,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:15:43,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:15:43,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:43,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:43,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:43,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:43,544 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:43,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:15:43,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:43,548 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:43,548 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:43,549 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:43,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:43,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:43,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:43,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:43,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:43,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:43,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:15:43,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:15:43,553 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_4964d0b0-5276-49c9-bebf-4f9a334d3dde/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bf9d414a75e827d4f973e19b575c252ef631a691b24da068436d7dc51d31e5 [2024-11-08 23:15:43,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:43,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:43,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:43,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:43,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:43,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c Unable to find full path for "g++" [2024-11-08 23:15:46,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:15:49,048 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:15:49,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2024-11-08 23:15:49,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/data/593d5ef60/10aab50faca34daa98d8a1a87d44b15f/FLAG1d57fe917 [2024-11-08 23:15:49,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/data/593d5ef60/10aab50faca34daa98d8a1a87d44b15f [2024-11-08 23:15:49,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:15:49,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:15:49,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:49,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:15:49,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:15:49,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:49" (1/1) ... [2024-11-08 23:15:49,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4becba47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:49, skipping insertion in model container [2024-11-08 23:15:49,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:49" (1/1) ... [2024-11-08 23:15:50,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:16:02,383 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_4964d0b0-5276-49c9-bebf-4f9a334d3dde/sv-benchmarks/c/eca-rers2012/Problem07_label20.c[2769329,2769342] [2024-11-08 23:16:02,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:02,459 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:16:10,371 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_4964d0b0-5276-49c9-bebf-4f9a334d3dde/sv-benchmarks/c/eca-rers2012/Problem07_label20.c[2769329,2769342] [2024-11-08 23:16:10,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:16:11,434 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:16:11,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11 WrapperNode [2024-11-08 23:16:11,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:11,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:11,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:16:11,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:16:11,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:12,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:14,774 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-08 23:16:14,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:16:14,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:16:14,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:16:14,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:16:14,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:14,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:15,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:15,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:16,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:17,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:17,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:17,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:17,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:16:17,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:16:17,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:16:17,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:16:17,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:11" (1/1) ... [2024-11-08 23:16:17,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:17,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:16:17,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:16:17,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4964d0b0-5276-49c9-bebf-4f9a334d3dde/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:16:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:16:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:16:17,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:16:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:16:18,050 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:16:18,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:09,847 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:09,847 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:11,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:11,148 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:17:11,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:11 BoogieIcfgContainer [2024-11-08 23:17:11,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:11,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:17:11,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:17:11,160 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:17:11,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:11" (1/1) ... [2024-11-08 23:17:11,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:11,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-08 23:17:11,489 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-08 23:17:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-08 23:17:12,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:12,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat