./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label41.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_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/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_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/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_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/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 ef59e7e1cbe8379c163d4c3adb9fd4e1e465174fb3d4c8eceb931dd1fbd56169 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:43:56,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:43:56,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:43:56,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:43:56,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:43:56,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:43:56,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:43:56,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:43:56,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:43:56,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:43:56,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:43:56,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:43:56,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:43:56,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:43:56,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:43:56,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:43:56,923 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:43:56,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:43:56,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:43:56,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:43:56,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:43:56,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:43:56,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:43:56,925 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:43:56,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:43:56,925 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_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/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 -> ef59e7e1cbe8379c163d4c3adb9fd4e1e465174fb3d4c8eceb931dd1fbd56169 [2024-11-13 16:43:57,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:43:57,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:43:57,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:43:57,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:43:57,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:43:57,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-programs/Problem102_label41.c Unable to find full path for "g++" [2024-11-13 16:43:59,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:44:02,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:44:02,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/sv-benchmarks/c/eca-programs/Problem102_label41.c [2024-11-13 16:44:02,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/data/dc1c155aa/57210e9b87d141f4af307df6b4510479/FLAG69e623d96 [2024-11-13 16:44:02,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/data/dc1c155aa/57210e9b87d141f4af307df6b4510479 [2024-11-13 16:44:02,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:44:02,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:44:02,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:02,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:44:02,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:44:02,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:02" (1/1) ... [2024-11-13 16:44:02,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16bc4d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:02, skipping insertion in model container [2024-11-13 16:44:02,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:02" (1/1) ... [2024-11-13 16:44:04,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:44:30,984 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_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/sv-benchmarks/c/eca-programs/Problem102_label41.c[5712393,5712406] [2024-11-13 16:44:31,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:31,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:44:45,300 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_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/sv-benchmarks/c/eca-programs/Problem102_label41.c[5712393,5712406] [2024-11-13 16:44:45,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:49,780 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:44:49,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49 WrapperNode [2024-11-13 16:44:49,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:49,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:49,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:44:49,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:44:49,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:50,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:55,483 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184376 [2024-11-13 16:44:55,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:55,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:44:55,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:44:55,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:44:55,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:55,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:56,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:56,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:59,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:45:00,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:45:01,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:45:01,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:45:02,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:45:02,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:45:02,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:45:02,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:45:02,258 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:45:02,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:45:02,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:45:02,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:45:02,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509f0d64-1816-4675-98e6-e1c3b6c9c7dc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:45:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:45:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:45:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:45:02,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:45:02,646 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:45:02,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:45,093 INFO L? ?]: Removed 18122 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:45,093 INFO L287 CfgBuilder]: Performing block encoding