./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9 --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 d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:17:52,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:17:53,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:17:53,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:17:53,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:17:53,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:17:53,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:17:53,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:17:53,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:17:53,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:17:53,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:17:53,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:17:53,068 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:17:53,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:17:53,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:17:53,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:17:53,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:17:53,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:17:53,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:17:53,071 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:17:53,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:17:53,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:17:53,073 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:17:53,073 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:17:53,074 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:17:53,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:17:53,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:17:53,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:17:53,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:17:53,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:17:53,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:17:53,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:17:53,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:17:53,077 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_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 [2023-12-03 01:17:53,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:17:53,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:17:53,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:17:53,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:17:53,308 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:17:53,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2023-12-03 01:17:56,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:17:56,238 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:17:56,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2023-12-03 01:17:56,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/data/a5bb7019c/3214c41b7a5a444bb4529b8b82b27ba1/FLAGb392c2b33 [2023-12-03 01:17:56,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/data/a5bb7019c/3214c41b7a5a444bb4529b8b82b27ba1 [2023-12-03 01:17:56,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:17:56,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:17:56,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:17:56,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:17:56,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:17:56,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d94686c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56, skipping insertion in model container [2023-12-03 01:17:56,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:17:56,533 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_102cce4f-d402-46ed-be5c-df86a79c0d5c/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2023-12-03 01:17:56,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:17:56,664 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:17:56,693 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_102cce4f-d402-46ed-be5c-df86a79c0d5c/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2023-12-03 01:17:56,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:17:56,790 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:17:56,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56 WrapperNode [2023-12-03 01:17:56,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:17:56,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:17:56,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:17:56,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:17:56,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,886 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-12-03 01:17:56,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:17:56,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:17:56,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:17:56,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:17:56,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:17:56,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:17:56,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:17:56,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:17:56,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:56" (1/1) ... [2023-12-03 01:17:56,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:17:56,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:17:56,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:17:57,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:17:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:17:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:17:57,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:17:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:17:57,106 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:17:57,108 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:17:58,042 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:18:00,727 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:18:00,727 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:18:00,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:18:00 BoogieIcfgContainer [2023-12-03 01:18:00,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:18:00,730 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:18:00,730 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:18:00,740 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:18:00,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:18:00" (1/1) ... [2023-12-03 01:18:00,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:18:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:00,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 01:18:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 01:18:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:18:00,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-12-03 01:18:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-12-03 01:18:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:18:01,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:01,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-12-03 01:18:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-12-03 01:18:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:18:13,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:13,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:18:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2023-12-03 01:18:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2023-12-03 01:18:24,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:18:24,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:18:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2023-12-03 01:18:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2023-12-03 01:18:34,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:18:34,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:34,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:18:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:46,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-12-03 01:18:46,890 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-12-03 01:18:46,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:18:46,891 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 01:18:46,900 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:18:47,162 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 01:18:47,170 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 01:18:47,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:18:47,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:18:47 ImpRootNode [2023-12-03 01:18:47,172 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:18:47,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:18:47,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:18:47,173 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:18:47,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:18:00" (3/4) ... [2023-12-03 01:18:47,176 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:18:47,197 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2023-12-03 01:18:47,199 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 01:18:47,200 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:18:47,202 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:18:47,369 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:18:47,370 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:18:47,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:18:47,371 INFO L158 Benchmark]: Toolchain (without parser) took 51098.66ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 104.1MB in the beginning and 624.0MB in the end (delta: -519.9MB). Peak memory consumption was 606.0MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,371 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:18:47,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.83ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 76.1MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.26ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 106.8MB in the end (delta: -30.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,372 INFO L158 Benchmark]: Boogie Preprocessor took 80.63ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 102.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,373 INFO L158 Benchmark]: RCFGBuilder took 3759.83ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 102.1MB in the beginning and 249.3MB in the end (delta: -147.2MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,373 INFO L158 Benchmark]: CodeCheck took 46442.59ms. Allocated memory was 343.9MB in the beginning and 1.3GB in the end (delta: 922.7MB). Free memory was 249.3MB in the beginning and 636.5MB in the end (delta: -387.2MB). Peak memory consumption was 535.4MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,373 INFO L158 Benchmark]: Witness Printer took 197.08ms. Allocated memory is still 1.3GB. Free memory was 636.5MB in the beginning and 624.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:18:47,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 338 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 55 mSDtfsCounter, 338 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 563 GetRequests, 479 SyntacticMatches, 24 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1422 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 43.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 26/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 164]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((a19 < 8) || (8 < a19)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (a12 == 0)) && ((0 < (a1 + 13)) || !((a10 == 3))))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!((a10 == 4)) || !((a19 == 8))) && (14 == a4)) && (a12 == 0)) && (((218 < a1) || !((a19 == 8))) || !((a10 == 3)))) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.83ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 76.1MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.26ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 106.8MB in the end (delta: -30.7MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.63ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 102.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3759.83ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 102.1MB in the beginning and 249.3MB in the end (delta: -147.2MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB. * CodeCheck took 46442.59ms. Allocated memory was 343.9MB in the beginning and 1.3GB in the end (delta: 922.7MB). Free memory was 249.3MB in the beginning and 636.5MB in the end (delta: -387.2MB). Peak memory consumption was 535.4MB. Max. memory is 16.1GB. * Witness Printer took 197.08ms. Allocated memory is still 1.3GB. Free memory was 636.5MB in the beginning and 624.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:18:47,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_102cce4f-d402-46ed-be5c-df86a79c0d5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE