./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem103_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem103_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk --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 31be38b099bf8c5491c172d044196dd2b7e7bdea7e23c076e8ce2f5635473617 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:38:39,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:38:39,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:38:39,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:38:39,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:38:39,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:38:39,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:38:39,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:38:39,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:38:39,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:38:39,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:38:39,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:38:39,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:38:39,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:38:39,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:38:39,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:38:39,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:38:39,546 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:38:39,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:38:39,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:38:39,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:38:39,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:38:39,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:38:39,552 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:38:39,553 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:38:39,553 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:38:39,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:38:39,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:39,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:38:39,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:38:39,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:38:39,554 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:38:39,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:38:39,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31be38b099bf8c5491c172d044196dd2b7e7bdea7e23c076e8ce2f5635473617 [2024-11-08 22:38:39,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:38:39,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:38:39,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:38:39,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:38:39,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:38:39,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-programs/Problem103_label44.c Unable to find full path for "g++" [2024-11-08 22:38:41,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:38:44,921 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:38:44,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/sv-benchmarks/c/eca-programs/Problem103_label44.c [2024-11-08 22:38:45,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/data/1ff1d5613/6212c4fdda3946bdb1f9e29a2479813f/FLAG1e8be04fc [2024-11-08 22:38:45,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/data/1ff1d5613/6212c4fdda3946bdb1f9e29a2479813f [2024-11-08 22:38:45,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:38:45,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:38:45,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:45,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:38:45,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:38:45,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:45" (1/1) ... [2024-11-08 22:38:45,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726fafdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:45, skipping insertion in model container [2024-11-08 22:38:45,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:45" (1/1) ... [2024-11-08 22:38:46,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:15,688 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_0781bb97-5855-42a7-b2ef-d3abe020772e/sv-benchmarks/c/eca-programs/Problem103_label44.c[6302927,6302940] [2024-11-08 22:39:15,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:15,820 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:33,679 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_0781bb97-5855-42a7-b2ef-d3abe020772e/sv-benchmarks/c/eca-programs/Problem103_label44.c[6302927,6302940] [2024-11-08 22:39:33,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:38,940 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:38,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38 WrapperNode [2024-11-08 22:39:38,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:38,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:38,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:38,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:38,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:40,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:45,903 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197898 [2024-11-08 22:39:45,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:45,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:45,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:45,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:45,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:45,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:46,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:46,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:50,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:50,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:50,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:51,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:51,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:51,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:51,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:51,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:51,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:38" (1/1) ... [2024-11-08 22:39:51,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:51,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:51,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:51,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0781bb97-5855-42a7-b2ef-d3abe020772e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:39:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:52,209 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:52,211 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:41:43,765 INFO L? ?]: Removed 16411 outVars from TransFormulas that were not future-live. [2024-11-08 22:41:43,765 INFO L287 CfgBuilder]: Performing block encoding