./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.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_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/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_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/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_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/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 eb3589f7ac8cc36dbc174674ff662c7d01ff9c6a634a07252076bdde63255d7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:49:32,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:49:32,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:49:32,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:49:32,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:49:32,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:49:32,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:49:32,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:49:32,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:49:32,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:49:32,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:49:32,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:49:32,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:49:32,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:49:32,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:49:32,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:49:32,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:49:32,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:49:32,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:49:32,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:49:32,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:49:32,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:49:32,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:49:32,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:49:32,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:49:32,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:49:32,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:49:32,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:32,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:49:32,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:49:32,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:49:32,499 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:49:32,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:49:32,499 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_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb3589f7ac8cc36dbc174674ff662c7d01ff9c6a634a07252076bdde63255d7d [2024-11-08 22:49:32,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:49:32,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:49:32,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:49:32,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:49:32,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:49:32,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label30.c Unable to find full path for "g++" [2024-11-08 22:49:35,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:49:35,597 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:49:35,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2024-11-08 22:49:35,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/data/72cef53f3/317afebc1da448a0809e5dbe763b391d/FLAG26d0e9efa [2024-11-08 22:49:35,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/data/72cef53f3/317afebc1da448a0809e5dbe763b391d [2024-11-08 22:49:35,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:49:35,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:49:35,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:35,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:49:35,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:49:35,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:35" (1/1) ... [2024-11-08 22:49:35,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64735e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:35, skipping insertion in model container [2024-11-08 22:49:35,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:49:35" (1/1) ... [2024-11-08 22:49:35,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:49:36,130 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_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2024-11-08 22:49:36,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:49:36,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:49:36,434 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_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/sv-benchmarks/c/eca-rers2012/Problem10_label30.c[4019,4032] [2024-11-08 22:49:36,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:49:36,577 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:49:36,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36 WrapperNode [2024-11-08 22:49:36,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:49:36,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:49:36,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:49:36,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:49:36,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,712 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 22:49:36,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:49:36,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:49:36,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:49:36,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:49:36,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:49:36,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:49:36,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:49:36,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:49:36,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:49:36" (1/1) ... [2024-11-08 22:49:36,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:49:36,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:49:36,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:49:36,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:49:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:49:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:49:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:49:37,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:49:37,113 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:49:37,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:49:38,527 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 22:49:38,527 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:49:41,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:49:41,885 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:49:41,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:41 BoogieIcfgContainer [2024-11-08 22:49:41,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:49:41,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:49:41,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:49:41,899 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:49:41,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:41" (1/1) ... [2024-11-08 22:49:41,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:49:41,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:49:41,983 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:49:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:49:41,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:42,404 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 22:49:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 22:49:42,546 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 22:49:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:49:42,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:42,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:49:57,821 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 22:49:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:49:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-08 22:49:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-08 22:49:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:49:58,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:49:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:49:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:25,380 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 22:50:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-08 22:50:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-08 22:50:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:50:26,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:26,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:50:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-08 22:50:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-08 22:50:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:50:41,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:41,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:50:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2024-11-08 22:50:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2024-11-08 22:50:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:50:57,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:57,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:51:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-08 22:51:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-08 22:51:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:51:10,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:51:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2024-11-08 22:51:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2024-11-08 22:51:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:51:28,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:28,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 22:51:46,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2024-11-08 22:51:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2024-11-08 22:51:46,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:51:46,599 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-08 22:51:46,607 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:51:47,034 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 22:51:47,034 INFO L77 FloydHoareUtils]: At program point L112-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 22:51:47,034 INFO L77 FloydHoareUtils]: At program point L115-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 22:51:47,035 INFO L75 FloydHoareUtils]: For program point L116(line 116) no Hoare annotation was computed. [2024-11-08 22:51:47,035 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 22:51:47,035 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:51:47,038 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:51:47,039 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 2)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-08 22:51:47,039 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2024-11-08 22:51:47,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:51:47 ImpRootNode [2024-11-08 22:51:47,059 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:51:47,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:51:47,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:51:47,061 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:51:47,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:49:41" (3/4) ... [2024-11-08 22:51:47,066 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:51:47,097 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-08 22:51:47,098 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 22:51:47,100 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:51:47,101 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:51:47,324 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:51:47,324 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:51:47,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:51:47,325 INFO L158 Benchmark]: Toolchain (without parser) took 131564.95ms. Allocated memory was 134.2MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 96.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 660.8MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,326 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:51:47,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.05ms. Allocated memory is still 134.2MB. Free memory was 96.6MB in the beginning and 66.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.02ms. Allocated memory is still 134.2MB. Free memory was 66.6MB in the beginning and 58.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,328 INFO L158 Benchmark]: Boogie Preprocessor took 165.79ms. Allocated memory is still 134.2MB. Free memory was 58.2MB in the beginning and 97.8MB in the end (delta: -39.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,328 INFO L158 Benchmark]: RCFGBuilder took 5006.85ms. Allocated memory was 134.2MB in the beginning and 375.4MB in the end (delta: 241.2MB). Free memory was 97.7MB in the beginning and 190.4MB in the end (delta: -92.6MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,329 INFO L158 Benchmark]: CodeCheck took 125171.69ms. Allocated memory was 375.4MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 190.4MB in the beginning and 1.1GB in the end (delta: -941.0MB). Peak memory consumption was 500.8MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,329 INFO L158 Benchmark]: Witness Printer took 265.02ms. Allocated memory is still 1.8GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:51:47,331 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: 124.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 328 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 272 mSDsluCounter, 296 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 176 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 742 IncrementalHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 120 mSDtfsCounter, 742 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1123 GetRequests, 958 SyntacticMatches, 69 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4314 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 118.5s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 1211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 76/148 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: 116]: 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: (((14 == a4) && (a12 == 0)) && (((a10 != 2) || (a1 < 219)) || (7 != a19))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 2) || (a1 < 219)) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.05ms. Allocated memory is still 134.2MB. Free memory was 96.6MB in the beginning and 66.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.02ms. Allocated memory is still 134.2MB. Free memory was 66.6MB in the beginning and 58.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.79ms. Allocated memory is still 134.2MB. Free memory was 58.2MB in the beginning and 97.8MB in the end (delta: -39.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5006.85ms. Allocated memory was 134.2MB in the beginning and 375.4MB in the end (delta: 241.2MB). Free memory was 97.7MB in the beginning and 190.4MB in the end (delta: -92.6MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. * CodeCheck took 125171.69ms. Allocated memory was 375.4MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 190.4MB in the beginning and 1.1GB in the end (delta: -941.0MB). Peak memory consumption was 500.8MB. Max. memory is 16.1GB. * Witness Printer took 265.02ms. Allocated memory is still 1.8GB. Free memory was 1.1GB in the beginning and 1.1GB 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 22:51:47,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fe1a957-c32b-4132-9cdc-cbfd82bb2c2a/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