./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label12.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_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/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_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/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_cb3f6a51-be0c-4d22-ab89-386901661869/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 7d546f0f922c509b0208608e4a3adc9fa3f712c88d080e6c99d082d948a7f0a5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:51:23,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:23,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:51:23,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:51:23,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:51:23,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:23,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:23,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:23,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:23,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:23,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:23,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:23,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:23,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:51:23,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:23,115 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:23,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:23,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:23,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:23,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:23,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:23,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:23,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:23,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:23,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:23,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:51:23,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:51:23,116 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_cb3f6a51-be0c-4d22-ab89-386901661869/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 -> 7d546f0f922c509b0208608e4a3adc9fa3f712c88d080e6c99d082d948a7f0a5 [2024-11-25 04:51:23,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:23,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:23,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:23,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:23,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:23,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem18_label12.c [2024-11-25 04:51:26,455 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/data/9536cd6b8/d70c045389814302a00f53516556e020/FLAG9bc376b25 [2024-11-25 04:51:26,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:26,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/sv-benchmarks/c/eca-rers2012/Problem18_label12.c [2024-11-25 04:51:26,995 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/data/9536cd6b8/d70c045389814302a00f53516556e020/FLAG9bc376b25 [2024-11-25 04:51:27,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/data/9536cd6b8/d70c045389814302a00f53516556e020 [2024-11-25 04:51:27,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:27,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:27,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:27,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:27,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:27,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f65530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:27, skipping insertion in model container [2024-11-25 04:51:27,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:27" (1/1) ... [2024-11-25 04:51:27,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:27,386 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_cb3f6a51-be0c-4d22-ab89-386901661869/sv-benchmarks/c/eca-rers2012/Problem18_label12.c[2108,2121] [2024-11-25 04:51:28,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:28,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:28,416 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_cb3f6a51-be0c-4d22-ab89-386901661869/sv-benchmarks/c/eca-rers2012/Problem18_label12.c[2108,2121] [2024-11-25 04:51:28,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:28,898 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:28,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28 WrapperNode [2024-11-25 04:51:28,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:28,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:28,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:28,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:28,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:28,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,203 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4134 [2024-11-25 04:51:29,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:29,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:29,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:29,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:29,214 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,470 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:29,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:29,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:29,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:29,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:28" (1/1) ... [2024-11-25 04:51:29,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:29,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:29,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb3f6a51-be0c-4d22-ab89-386901661869/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:51:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:29,803 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:29,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:34,877 INFO L? ?]: Removed 639 outVars from TransFormulas that were not future-live. [2024-11-25 04:51:34,877 INFO L283 CfgBuilder]: Performing block encoding