./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm --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 09d063705287b401285699bfa86431b1230e05d127a376405f72545cb8e31896 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:50,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:50,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:43:50,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:43:50,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:43:50,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:50,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:50,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:50,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:50,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:50,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:50,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:50,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:50,177 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:50,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:50,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:50,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:50,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:50,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:50,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:50,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:50,177 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:43:50,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:43:50,179 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_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm 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 -> 09d063705287b401285699bfa86431b1230e05d127a376405f72545cb8e31896 [2024-11-13 21:43:50,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:50,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:50,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:50,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:50,596 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:50,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem11_label21.c Unable to find full path for "g++" [2024-11-13 21:43:52,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:52,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:52,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/sv-benchmarks/c/eca-rers2012/Problem11_label21.c [2024-11-13 21:43:52,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/data/89ca1cbf7/8252547cf5e242b3ad2373947a9b1b04/FLAGf4532dcb5 [2024-11-13 21:43:52,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/data/89ca1cbf7/8252547cf5e242b3ad2373947a9b1b04 [2024-11-13 21:43:52,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:52,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:52,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:52,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:52,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:52,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:52" (1/1) ... [2024-11-13 21:43:52,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd3ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:52, skipping insertion in model container [2024-11-13 21:43:52,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:52" (1/1) ... [2024-11-13 21:43:52,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:53,153 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_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2024-11-13 21:43:53,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:53,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:53,510 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_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/sv-benchmarks/c/eca-rers2012/Problem11_label21.c[3545,3558] [2024-11-13 21:43:53,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:53,739 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:53,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53 WrapperNode [2024-11-13 21:43:53,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:53,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:53,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:53,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:53,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:53,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:53,931 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-13 21:43:53,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:53,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:53,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:53,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:53,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:53,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:53,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:53,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:54,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:54,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:54,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:54,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:54,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:54,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:54,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:54,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:54,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:53" (1/1) ... [2024-11-13 21:43:54,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:54,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:54,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:54,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:43:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:54,211 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:54,213 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:56,410 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:56,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:44:03,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:44:03,325 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:44:03,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:03 BoogieIcfgContainer [2024-11-13 21:44:03,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:44:03,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:44:03,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:44:03,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:44:03,336 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:03" (1/1) ... [2024-11-13 21:44:03,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:44:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 21:44:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 21:44:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:44:03,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:44:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 21:44:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 21:44:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:44:03,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:44:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 21:44:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 21:44:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:44:40,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:40,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:46:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-11-13 21:46:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-11-13 21:46:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:46:00,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:00,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:47:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:47:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:47:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-11-13 21:47:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-11-13 21:47:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:47:14,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:47:14,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:47:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 44 states and 95 transitions. [2024-11-13 21:49:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 95 transitions. [2024-11-13 21:49:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:49:31,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:31,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:23,660 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:50:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 101 transitions. [2024-11-13 21:50:24,447 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2024-11-13 21:50:24,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:50:24,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:51:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2024-11-13 21:51:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2024-11-13 21:51:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:51:17,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 21:52:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:24,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2024-11-13 21:52:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2024-11-13 21:52:24,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:52:24,451 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 21:52:24,462 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:52:25,090 INFO L77 FloydHoareUtils]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2024-11-13 21:52:25,090 INFO L77 FloydHoareUtils]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (not (let ((.cse0 (= ~a4~0 1))) (and (not (and (<= ~a25~0 10) .cse0 (<= ~a29~0 130))) (not (and (= ~a3~0 1) (= ~a8~0 15) (or (< 138 ~a23~0) (< 140 ~a29~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 11)) (not .cse0))))))) [2024-11-13 21:52:25,090 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:52:25,091 INFO L77 FloydHoareUtils]: At program point L1049(line 1049) the Hoare annotation is: (not (let ((.cse0 (= ~a4~0 1))) (and (not (and (<= ~a25~0 10) .cse0 (<= ~a29~0 130))) (not (and (= ~a3~0 1) (= ~a8~0 15) (or (< 138 ~a23~0) (< 140 ~a29~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 11)) (not .cse0))))))) [2024-11-13 21:52:25,091 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2024-11-13 21:52:25,091 INFO L77 FloydHoareUtils]: At program point L84-1(lines 32 1036) the Hoare annotation is: (not (let ((.cse0 (= ~a4~0 1))) (and (not (and (<= ~a25~0 10) .cse0 (<= ~a29~0 130))) (not (and (= ~a3~0 1) (= ~a8~0 15) (or (< 138 ~a23~0) (< 140 ~a29~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 11)) (not .cse0))))))) [2024-11-13 21:52:25,091 INFO L77 FloydHoareUtils]: At program point L87-1(lines 32 1036) the Hoare annotation is: (not (let ((.cse0 (= ~a4~0 1))) (and (not (and (<= ~a25~0 10) .cse0 (<= ~a29~0 130))) (not (and (= ~a3~0 1) (= ~a8~0 15) (or (< 138 ~a23~0) (< 140 ~a29~0) (< (+ ~a23~0 42) 0) (not (= ~a25~0 11)) (not .cse0))))))) [2024-11-13 21:52:25,091 INFO L75 FloydHoareUtils]: For program point L88(line 88) no Hoare annotation was computed. [2024-11-13 21:52:25,091 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:52:25,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:52:25 ImpRootNode [2024-11-13 21:52:25,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:52:25,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:52:25,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:52:25,118 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:52:25,119 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:44:03" (3/4) ... [2024-11-13 21:52:25,121 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:52:25,157 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 272 nodes and edges [2024-11-13 21:52:25,159 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 21:52:25,161 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 21:52:25,163 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:52:25,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:52:25,357 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:52:25,357 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:52:25,358 INFO L158 Benchmark]: Toolchain (without parser) took 512453.80ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 116.1MB in the beginning and 264.1MB in the end (delta: -148.0MB). Peak memory consumption was 465.5MB. Max. memory is 16.1GB. [2024-11-13 21:52:25,359 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:25,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.99ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 73.2MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:52:25,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.24ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 103.8MB in the end (delta: -30.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-13 21:52:25,360 INFO L158 Benchmark]: Boogie Preprocessor took 134.75ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 94.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:52:25,360 INFO L158 Benchmark]: RCFGBuilder took 9258.06ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 94.7MB in the beginning and 833.8MB in the end (delta: -739.1MB). Peak memory consumption was 534.1MB. Max. memory is 16.1GB. [2024-11-13 21:52:25,361 INFO L158 Benchmark]: CodeCheck took 501790.50ms. Allocated memory was 1.4GB in the beginning and 755.0MB in the end (delta: -654.3MB). Free memory was 833.8MB in the beginning and 285.0MB in the end (delta: 548.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:52:25,361 INFO L158 Benchmark]: Witness Printer took 240.22ms. Allocated memory is still 755.0MB. Free memory was 285.0MB in the beginning and 264.1MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:52:25,363 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: 501.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 420 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 368 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1134 IncrementalHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 180 mSolverCounterUnsat, 150 mSDtfsCounter, 1134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1182 GetRequests, 1063 SyntacticMatches, 39 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2908 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 490.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 48/122 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: 88]: 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: 1044]: Loop Invariant Derived loop invariant: !(!(((a25 <= 10) && (a4 == 1)) && (a29 <= 130)) && !(((a3 == 1) && (a8 == 15)) && (((((138 < a23) || (140 < a29)) || (((long long) a23 + 42) < 0)) || (a25 != 11)) || (a4 != 1)))) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: !(!(((a25 <= 10) && (a4 == 1)) && (a29 <= 130)) && !(((a3 == 1) && (a8 == 15)) && (((((138 < a23) || (140 < a29)) || (((long long) a23 + 42) < 0)) || (a25 != 11)) || (a4 != 1)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.99ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 73.2MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.24ms. Allocated memory is still 142.6MB. Free memory was 73.2MB in the beginning and 103.8MB in the end (delta: -30.7MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.75ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 94.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9258.06ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 94.7MB in the beginning and 833.8MB in the end (delta: -739.1MB). Peak memory consumption was 534.1MB. Max. memory is 16.1GB. * CodeCheck took 501790.50ms. Allocated memory was 1.4GB in the beginning and 755.0MB in the end (delta: -654.3MB). Free memory was 833.8MB in the beginning and 285.0MB in the end (delta: 548.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 240.22ms. Allocated memory is still 755.0MB. Free memory was 285.0MB in the beginning and 264.1MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:52:25,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc39a52e-5f67-4bf1-a6d2-9c1bccfd3330/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE