./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL --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 45bf9d414a75e827d4f973e19b575c252ef631a691b24da068436d7dc51d31e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:29,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:29,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:29,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:29,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:29,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:29,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:29,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:29,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:29,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:29,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:29,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:29,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:29,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:29,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:29,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:29,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:29,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:29,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:29,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:29,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:29,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:29,535 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:29,536 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:29,536 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:29,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:29,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:29,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:29,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:29,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:29,541 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:29,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:29,542 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:29,542 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_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bf9d414a75e827d4f973e19b575c252ef631a691b24da068436d7dc51d31e5 [2023-11-19 03:28:29,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:29,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:29,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:29,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:29,995 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:29,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2023-11-19 03:28:33,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:36,197 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:36,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2023-11-19 03:28:36,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/data/dbe789033/77d3a9dd4abc43b49ea1f7b286002968/FLAG60b0066f5 [2023-11-19 03:28:36,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/data/dbe789033/77d3a9dd4abc43b49ea1f7b286002968 [2023-11-19 03:28:36,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:36,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:36,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:36,700 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:36,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:36,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:36,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccec51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:36, skipping insertion in model container [2023-11-19 03:28:36,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:36" (1/1) ... [2023-11-19 03:28:38,067 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:52,173 WARN L240 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_60661afc-c843-470a-a569-da54aaf8abd5/sv-benchmarks/c/eca-rers2012/Problem07_label20.c[2769329,2769342] [2023-11-19 03:28:52,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:52,286 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:00,859 WARN L240 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_60661afc-c843-470a-a569-da54aaf8abd5/sv-benchmarks/c/eca-rers2012/Problem07_label20.c[2769329,2769342] [2023-11-19 03:29:00,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:02,187 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:02,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02 WrapperNode [2023-11-19 03:29:02,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:02,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:02,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:02,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:02,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:03,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:06,733 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-11-19 03:29:06,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:06,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:06,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:06,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:06,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:06,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:07,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:07,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:09,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:09,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:10,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:10,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:10,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:10,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:10,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:10,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:10,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:02" (1/1) ... [2023-11-19 03:29:10,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:10,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:10,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60661afc-c843-470a-a569-da54aaf8abd5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:11,028 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:11,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation