./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label16.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_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/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_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/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_945ec5bb-d349-44e2-bc36-b7b1e65230b4/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 7d58b716fd6a7baffc4926e413849d4e13339895a7ac3efdd353743ab0bda142 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:24:36,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:24:36,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:24:36,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:24:36,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:24:36,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:24:36,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:24:36,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:24:36,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:24:36,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:24:36,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:24:36,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:24:36,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:24:36,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:24:36,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:24:36,811 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:24:36,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:24:36,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:24:36,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:24:36,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:24:36,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:24:36,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:24:36,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:24:36,814 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:24:36,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:24:36,814 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_945ec5bb-d349-44e2-bc36-b7b1e65230b4/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 -> 7d58b716fd6a7baffc4926e413849d4e13339895a7ac3efdd353743ab0bda142 [2024-11-24 18:24:37,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:24:37,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:24:37,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:24:37,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:24:37,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:24:37,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem08_label16.c [2024-11-24 18:24:40,284 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/data/f2f9ef59c/34505519e1b143fa95710232acbd8d0c/FLAGb3fc9e9ba [2024-11-24 18:24:43,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:24:43,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/sv-benchmarks/c/eca-rers2012/Problem08_label16.c [2024-11-24 18:24:44,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/data/f2f9ef59c/34505519e1b143fa95710232acbd8d0c/FLAGb3fc9e9ba [2024-11-24 18:24:44,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/data/f2f9ef59c/34505519e1b143fa95710232acbd8d0c [2024-11-24 18:24:44,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:24:44,047 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:24:44,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:24:44,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:24:44,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:24:44,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:24:44" (1/1) ... [2024-11-24 18:24:44,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbec48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:44, skipping insertion in model container [2024-11-24 18:24:44,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:24:44" (1/1) ... [2024-11-24 18:24:45,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:25:09,959 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_945ec5bb-d349-44e2-bc36-b7b1e65230b4/sv-benchmarks/c/eca-rers2012/Problem08_label16.c[5713885,5713898] [2024-11-24 18:25:10,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:25:10,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:25:22,843 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_945ec5bb-d349-44e2-bc36-b7b1e65230b4/sv-benchmarks/c/eca-rers2012/Problem08_label16.c[5713885,5713898] [2024-11-24 18:25:22,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:25:27,415 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:25:27,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27 WrapperNode [2024-11-24 18:25:27,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:25:27,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:25:27,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:25:27,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:25:27,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:28,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:32,511 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184369 [2024-11-24 18:25:32,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:25:32,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:25:32,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:25:32,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:25:32,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:32,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:33,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:33,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:36,038 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:36,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:36,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:36,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:36,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:37,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:25:37,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:25:37,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:25:37,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:25:37,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:27" (1/1) ... [2024-11-24 18:25:37,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:25:37,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:25:37,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:25:37,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_945ec5bb-d349-44e2-bc36-b7b1e65230b4/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:25:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:25:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:25:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:25:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:25:37,990 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:25:37,992 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:27:18,370 INFO L? ?]: Removed 18108 outVars from TransFormulas that were not future-live. [2024-11-24 18:27:18,370 INFO L283 CfgBuilder]: Performing block encoding