./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:23:52,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:23:52,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:23:52,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:23:52,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:23:52,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:23:52,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:23:52,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:23:52,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:23:53,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:23:53,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:23:53,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:23:53,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:23:53,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:23:53,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:23:53,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:23:53,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:23:53,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:23:53,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:23:53,007 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:23:53,008 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:23:53,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:23:53,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:23:53,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:23:53,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:23:53,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:23:53,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:23:53,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:53,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:23:53,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:23:53,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:23:53,015 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:23:53,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:23:53,037 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_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ecb2446f57553abe7468e1f232296cdba8856c774fb79cc62538ced35b338d [2024-11-08 23:23:53,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:23:53,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:23:53,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:23:53,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:23:53,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:23:53,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c Unable to find full path for "g++" [2024-11-08 23:23:55,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:23:55,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:23:55,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2024-11-08 23:23:55,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/data/3ad87444d/fe70afe673d045a3bdd7c1a6fbfdabd5/FLAG6e5d3dd11 [2024-11-08 23:23:55,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/data/3ad87444d/fe70afe673d045a3bdd7c1a6fbfdabd5 [2024-11-08 23:23:55,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:23:55,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:23:55,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:55,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:23:55,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:23:55,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:55" (1/1) ... [2024-11-08 23:23:55,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab2ca03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:55, skipping insertion in model container [2024-11-08 23:23:55,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:23:55" (1/1) ... [2024-11-08 23:23:55,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:23:56,068 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_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2024-11-08 23:23:56,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:56,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:23:56,315 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_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/sv-benchmarks/c/eca-rers2012/Problem10_label27.c[6867,6880] [2024-11-08 23:23:56,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:23:56,413 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:23:56,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56 WrapperNode [2024-11-08 23:23:56,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:23:56,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:56,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:23:56,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:23:56,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,501 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 23:23:56,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:23:56,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:23:56,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:23:56,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:23:56,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:23:56,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:23:56,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:23:56,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:23:56,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:23:56" (1/1) ... [2024-11-08 23:23:56,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:23:56,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:23:56,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:23:56,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:23:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:23:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:23:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:23:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:23:56,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:23:56,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:23:57,991 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 23:23:57,991 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:24:01,187 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:24:01,188 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:24:01,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:01 BoogieIcfgContainer [2024-11-08 23:24:01,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:24:01,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:24:01,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:24:01,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:24:01,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:01" (1/1) ... [2024-11-08 23:24:01,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:24:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:24:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:24:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:24:01,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:01,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 23:24:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 23:24:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:24:01,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:01,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-08 23:24:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-08 23:24:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:24:19,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:24:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-08 23:24:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-08 23:24:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:24:46,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:46,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:24:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:03,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2024-11-08 23:25:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2024-11-08 23:25:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:25:03,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:03,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2024-11-08 23:25:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2024-11-08 23:25:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:25:15,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2024-11-08 23:25:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2024-11-08 23:25:27,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:25:27,206 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 23:25:27,214 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:25:27,697 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 0 (+ 2 ~a1~0)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 23:25:27,697 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 23:25:27,697 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:25:27,698 INFO L77 FloydHoareUtils]: At program point L190-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a10~0 2)) .cse0 .cse1) (and .cse0 (not (= 7 ~a19~0)) .cse1) (and (< 218 ~a1~0) .cse0 .cse1))) [2024-11-08 23:25:27,698 INFO L77 FloydHoareUtils]: At program point L193-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< 38 ~a1~0) (not (= 7 ~a19~0)))) [2024-11-08 23:25:27,698 INFO L75 FloydHoareUtils]: For program point L194(line 194) no Hoare annotation was computed. [2024-11-08 23:25:27,698 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:25:27,698 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 0 (+ 2 ~a1~0)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 23:25:27,699 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2024-11-08 23:25:27,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:25:27 ImpRootNode [2024-11-08 23:25:27,715 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:25:27,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:25:27,716 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:25:27,716 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:25:27,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:24:01" (3/4) ... [2024-11-08 23:25:27,719 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:25:27,736 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-08 23:25:27,737 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 23:25:27,738 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:25:27,739 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:25:27,908 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:25:27,908 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:25:27,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:25:27,909 INFO L158 Benchmark]: Toolchain (without parser) took 92180.10ms. Allocated memory was 140.5MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 100.7MB in the beginning and 862.5MB in the end (delta: -761.7MB). Peak memory consumption was 979.3MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,909 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:25:27,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.58ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 70.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.17ms. Allocated memory is still 140.5MB. Free memory was 70.5MB in the beginning and 62.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,910 INFO L158 Benchmark]: Boogie Preprocessor took 74.60ms. Allocated memory is still 140.5MB. Free memory was 62.5MB in the beginning and 57.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,911 INFO L158 Benchmark]: RCFGBuilder took 4610.58ms. Allocated memory was 140.5MB in the beginning and 411.0MB in the end (delta: 270.5MB). Free memory was 57.4MB in the beginning and 332.5MB in the end (delta: -275.1MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,911 INFO L158 Benchmark]: CodeCheck took 86525.15ms. Allocated memory was 411.0MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 332.5MB in the beginning and 875.0MB in the end (delta: -542.6MB). Peak memory consumption was 926.5MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,912 INFO L158 Benchmark]: Witness Printer took 193.03ms. Allocated memory is still 1.9GB. Free memory was 875.0MB in the beginning and 862.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:25:27,914 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: 86.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 512 IncrementalHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 78 mSDtfsCounter, 512 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 629 SyntacticMatches, 38 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2859 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 80.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 48/76 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: 194]: 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: (((((a10 != 2) || (0 < ((long long) 2 + a1))) || (7 != a19)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 2) || (38 < a1)) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 140.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.58ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 70.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.17ms. Allocated memory is still 140.5MB. Free memory was 70.5MB in the beginning and 62.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.60ms. Allocated memory is still 140.5MB. Free memory was 62.5MB in the beginning and 57.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4610.58ms. Allocated memory was 140.5MB in the beginning and 411.0MB in the end (delta: 270.5MB). Free memory was 57.4MB in the beginning and 332.5MB in the end (delta: -275.1MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. * CodeCheck took 86525.15ms. Allocated memory was 411.0MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 332.5MB in the beginning and 875.0MB in the end (delta: -542.6MB). Peak memory consumption was 926.5MB. Max. memory is 16.1GB. * Witness Printer took 193.03ms. Allocated memory is still 1.9GB. Free memory was 875.0MB in the beginning and 862.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:25:27,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8b443e2-a2f8-4c63-a41c-0c8149ac6305/bin/ukojak-verify-ImItNfHLgk/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