./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label50.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_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3 --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 451c7dc1e9ccbf0e1b2bfff20c93c74c6a2c224dafb02ba3904b999265578105 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:54:47,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:54:48,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:54:48,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:54:48,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:54:48,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:54:48,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:54:48,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:54:48,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:54:48,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:54:48,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:54:48,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:54:48,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:54:48,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:54:48,106 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:54:48,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:54:48,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:48,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:54:48,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:54:48,107 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_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3 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 -> 451c7dc1e9ccbf0e1b2bfff20c93c74c6a2c224dafb02ba3904b999265578105 [2024-11-25 02:54:48,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:54:48,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:54:48,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:54:48,434 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:54:48,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:54:48,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem17_label50.c [2024-11-25 02:54:51,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/data/162249038/50b6de80462e4e9292aed9d657f52df6/FLAGf340fdf2b [2024-11-25 02:54:51,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:54:51,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/sv-benchmarks/c/eca-rers2012/Problem17_label50.c [2024-11-25 02:54:51,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/data/162249038/50b6de80462e4e9292aed9d657f52df6/FLAGf340fdf2b [2024-11-25 02:54:51,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/data/162249038/50b6de80462e4e9292aed9d657f52df6 [2024-11-25 02:54:51,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:54:51,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:54:52,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:52,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:54:52,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:54:52,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:51" (1/1) ... [2024-11-25 02:54:52,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0fdf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:52, skipping insertion in model container [2024-11-25 02:54:52,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:54:51" (1/1) ... [2024-11-25 02:54:52,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:54:52,352 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_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/sv-benchmarks/c/eca-rers2012/Problem17_label50.c[1517,1530] [2024-11-25 02:54:53,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:53,033 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:54:53,054 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_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/sv-benchmarks/c/eca-rers2012/Problem17_label50.c[1517,1530] [2024-11-25 02:54:53,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:53,466 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:54:53,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53 WrapperNode [2024-11-25 02:54:53,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:53,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:53,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:54:53,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:54:53,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:53,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:53,924 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2612 [2024-11-25 02:54:53,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:53,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:54:53,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:54:53,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:54:53,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:53,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:53,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:53,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:54:54,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:54:54,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:54:54,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:54:54,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:53" (1/1) ... [2024-11-25 02:54:54,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:54,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:54:54,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:54:54,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9395bbf-0cf0-4179-8d13-1ebcd0b19c89/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:54:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:54:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:54:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:54:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:54:54,559 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:54:54,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:54:59,218 INFO L? ?]: Removed 372 outVars from TransFormulas that were not future-live. [2024-11-25 02:54:59,219 INFO L283 CfgBuilder]: Performing block encoding