./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm --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 60c747697125130214666fa58f70bda4df6a10242c6c79f26cb54e981254217b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:01:51,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:01:51,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:01:51,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:01:51,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:01:51,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:01:51,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:01:51,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:01:51,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:01:51,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:01:51,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:01:51,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:01:51,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:01:51,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:01:51,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:01:51,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:01:51,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:01:51,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:01:51,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:01:51,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:01:51,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:01:51,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:01:51,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:01:51,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:01:51,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:01:51,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:01:51,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:01:51,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:51,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:01:51,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:01:51,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:01:51,742 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:01:51,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:01:51,742 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_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm 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 -> 60c747697125130214666fa58f70bda4df6a10242c6c79f26cb54e981254217b [2024-11-13 21:01:52,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:01:52,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:01:52,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:01:52,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:01:52,050 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:01:52,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem07_label05.c Unable to find full path for "g++" [2024-11-13 21:01:53,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:01:56,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:01:56,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/sv-benchmarks/c/eca-rers2012/Problem07_label05.c [2024-11-13 21:01:56,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/data/d56dc6bfb/39461a0c4c814a049c4605731b34c915/FLAG08c71dd74 [2024-11-13 21:01:56,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/data/d56dc6bfb/39461a0c4c814a049c4605731b34c915 [2024-11-13 21:01:56,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:01:56,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:01:56,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:56,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:01:56,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:01:56,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:56" (1/1) ... [2024-11-13 21:01:56,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdd192d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:56, skipping insertion in model container [2024-11-13 21:01:56,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:56" (1/1) ... [2024-11-13 21:01:57,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:07,271 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_96f05e46-db39-464e-83a2-7fa5d4602b30/sv-benchmarks/c/eca-rers2012/Problem07_label05.c[2767111,2767124] [2024-11-13 21:02:07,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:07,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:14,259 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_96f05e46-db39-464e-83a2-7fa5d4602b30/sv-benchmarks/c/eca-rers2012/Problem07_label05.c[2767111,2767124] [2024-11-13 21:02:14,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:15,240 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:15,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15 WrapperNode [2024-11-13 21:02:15,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:15,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:15,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:15,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:15,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:15,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:18,517 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83818 [2024-11-13 21:02:18,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:18,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:18,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:18,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:18,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:18,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:19,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:19,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:20,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:20,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:20,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:20,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:21,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:21,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:21,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:21,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:21,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:15" (1/1) ... [2024-11-13 21:02:21,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:21,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:21,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:21,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96f05e46-db39-464e-83a2-7fa5d4602b30/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:02:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:21,263 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:21,265 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:10,724 INFO L? ?]: Removed 10224 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:10,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:11,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:11,909 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:03:11,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:11 BoogieIcfgContainer [2024-11-13 21:03:11,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:11,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:11,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:11,922 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:11,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:11" (1/1) ... [2024-11-13 21:03:11,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2024-11-13 21:03:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2024-11-13 21:03:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2024-11-13 21:03:13,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.