./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem05_label58.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/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_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem05_label58.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/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_73100544-5fc1-4114-b668-1e1df9f6af66/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 65e45f61f5e06c2a5b5d59fa13b9a2d491e64120c24d42f490e7a0d439cee5e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:27,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:28,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:28,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:28,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:28,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:28,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:28,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:28,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:28,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:28,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:28,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:28,145 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:28,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:28,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:28,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:28,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:28,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:28,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:28,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:28,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:28,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:28,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:28,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:28,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:28,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:28,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:28,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:28,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:28,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:28,165 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:28,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:28,166 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:28,166 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_73100544-5fc1-4114-b668-1e1df9f6af66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65e45f61f5e06c2a5b5d59fa13b9a2d491e64120c24d42f490e7a0d439cee5e3 [2023-11-19 03:32:28,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:28,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:28,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:28,477 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:28,478 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:28,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem05_label58.c [2023-11-19 03:32:31,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:32:32,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:32:32,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/sv-benchmarks/c/eca-rers2012/Problem05_label58.c [2023-11-19 03:32:32,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/data/2aa88e932/0750c050ffde4bbca1bb2d36f4a66474/FLAG5cb682875 [2023-11-19 03:32:32,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/data/2aa88e932/0750c050ffde4bbca1bb2d36f4a66474 [2023-11-19 03:32:32,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:32:32,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:32:32,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:32,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:32:32,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:32:32,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78142d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:32, skipping insertion in model container [2023-11-19 03:32:32,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:32:32" (1/1) ... [2023-11-19 03:32:32,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:32:35,435 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_73100544-5fc1-4114-b668-1e1df9f6af66/sv-benchmarks/c/eca-rers2012/Problem05_label58.c[374686,374699] [2023-11-19 03:32:35,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:35,488 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:32:36,875 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_73100544-5fc1-4114-b668-1e1df9f6af66/sv-benchmarks/c/eca-rers2012/Problem05_label58.c[374686,374699] [2023-11-19 03:32:36,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:32:36,973 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:32:36,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36 WrapperNode [2023-11-19 03:32:36,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:32:36,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:36,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:32:36,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:32:36,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:37,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:37,738 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 12347 [2023-11-19 03:32:37,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:32:37,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:32:37,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:32:37,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:32:37,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:37,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:37,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:37,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:38,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:38,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:38,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:38,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:38,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:32:38,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:32:38,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:32:38,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:32:38,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:32:36" (1/1) ... [2023-11-19 03:32:38,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:32:38,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:32:38,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73100544-5fc1-4114-b668-1e1df9f6af66/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:32:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:32:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:32:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:32:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:32:38,485 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:32:38,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:32:49,117 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:32:51,414 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:32:51,414 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:32:51,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:51 BoogieIcfgContainer [2023-11-19 03:32:51,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:32:51,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:32:51,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:32:51,444 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:32:51,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:32:51" (1/1) ... [2023-11-19 03:32:51,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:32:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:32:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 1643 states and 3271 transitions. [2023-11-19 03:32:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 3271 transitions. [2023-11-19 03:32:51,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1632 [2023-11-19 03:32:51,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:32:51,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:32:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 3272 states and 4919 transitions. [2023-11-19 03:33:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 4919 transitions. [2023-11-19 03:33:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1650 [2023-11-19 03:33:13,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat