./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.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_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/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_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/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_380e25df-63e7-4204-bd2f-f9494ecc07dc/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 dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:11:08,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:11:08,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:11:08,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:11:08,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:11:08,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:11:08,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:11:08,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:11:08,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:11:08,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:11:08,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:11:08,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:11:08,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:11:08,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:11:08,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:11:08,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:11:08,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:11:08,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:11:08,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:11:08,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:11:08,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:11:08,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:11:08,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:11:08,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:11:08,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:11:08,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:11:08,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:11:08,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:11:08,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:11:08,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:11:08,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:11:08,250 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:11:08,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:11:08,251 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_380e25df-63e7-4204-bd2f-f9494ecc07dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dabfb11a5597c878c4111fedcc12f0c41145d68b0087981aef78b30abe61727d [2024-11-08 22:11:08,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:11:08,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:11:08,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:11:08,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:11:08,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:11:08,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c Unable to find full path for "g++" [2024-11-08 22:11:11,206 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:11:11,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:11:11,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2024-11-08 22:11:11,499 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/data/07b8cb820/581d0999a38a4a5c85c167e458eae91e/FLAGb02488821 [2024-11-08 22:11:11,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/data/07b8cb820/581d0999a38a4a5c85c167e458eae91e [2024-11-08 22:11:11,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:11:11,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:11:11,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:11:11,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:11:11,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:11:11,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:11:11" (1/1) ... [2024-11-08 22:11:11,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667b4a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:11, skipping insertion in model container [2024-11-08 22:11:11,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:11:11" (1/1) ... [2024-11-08 22:11:11,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:11:12,111 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_380e25df-63e7-4204-bd2f-f9494ecc07dc/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2024-11-08 22:11:12,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:11:12,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:11:12,320 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_380e25df-63e7-4204-bd2f-f9494ecc07dc/sv-benchmarks/c/eca-rers2012/Problem10_label02.c[6766,6779] [2024-11-08 22:11:12,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:11:12,433 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:11:12,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12 WrapperNode [2024-11-08 22:11:12,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:11:12,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:11:12,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:11:12,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:11:12,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,580 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 22:11:12,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:11:12,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:11:12,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:11:12,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:11:12,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,662 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:11:12,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:11:12,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:11:12,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:11:12,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:11:12" (1/1) ... [2024-11-08 22:11:12,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:11:12,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:11:12,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:11:12,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:11:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:11:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:11:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:11:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:11:12,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:11:12,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:11:14,556 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 22:11:14,556 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:11:18,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:11:18,407 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:11:18,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:11:18 BoogieIcfgContainer [2024-11-08 22:11:18,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:11:18,410 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:11:18,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:11:18,422 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:11:18,422 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:11:18" (1/1) ... [2024-11-08 22:11:18,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:11:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 22:11:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 22:11:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 22:11:18,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:18,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:18,901 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 22:11:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 22:11:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 22:11:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:11:19,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:19,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:38,275 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 22:11:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:38,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 22:11:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 22:11:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:11:38,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:38,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:11:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:11:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:11:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2024-11-08 22:11:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2024-11-08 22:11:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:11:54,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:11:54,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:21,376 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 22:12:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2024-11-08 22:12:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2024-11-08 22:12:22,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:12:22,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:12:22,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:12:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:12:34,540 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 22:12:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:12:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2024-11-08 22:12:35,554 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2024-11-08 22:12:35,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:12:35,555 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 22:12:35,564 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:12:36,058 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 22:12:36,058 INFO L77 FloydHoareUtils]: At program point L187-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (or (not (= ~a19~0 6)) (not (= ~a10~0 0))) .cse1) (and (< 23 ~a1~0) (< ~a1~0 219) .cse0 .cse1))) [2024-11-08 22:12:36,058 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 22:12:36,059 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:12:36,059 INFO L77 FloydHoareUtils]: At program point L190-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 22:12:36,059 INFO L75 FloydHoareUtils]: For program point L191(line 191) no Hoare annotation was computed. [2024-11-08 22:12:36,059 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:12:36,059 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a19~0 6)) (< ~a1~0 219) (not (= ~a10~0 0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-08 22:12:36,060 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2024-11-08 22:12:36,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:12:36 ImpRootNode [2024-11-08 22:12:36,073 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:12:36,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:12:36,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:12:36,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:12:36,074 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:11:18" (3/4) ... [2024-11-08 22:12:36,077 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:12:36,093 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-08 22:12:36,094 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 22:12:36,095 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:12:36,096 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:12:36,299 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:12:36,300 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:12:36,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:12:36,301 INFO L158 Benchmark]: Toolchain (without parser) took 84522.01ms. Allocated memory was 138.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 98.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 550.1MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,301 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:12:36,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.04ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 68.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.36ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 68.6MB in the beginning and 156.0MB in the end (delta: -87.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,302 INFO L158 Benchmark]: Boogie Preprocessor took 94.70ms. Allocated memory is still 192.9MB. Free memory was 156.0MB in the beginning and 151.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,303 INFO L158 Benchmark]: RCFGBuilder took 5728.28ms. Allocated memory was 192.9MB in the beginning and 320.9MB in the end (delta: 127.9MB). Free memory was 151.5MB in the beginning and 174.1MB in the end (delta: -22.6MB). Peak memory consumption was 180.8MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,303 INFO L158 Benchmark]: CodeCheck took 77663.20ms. Allocated memory was 320.9MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 174.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 430.0MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,304 INFO L158 Benchmark]: Witness Printer took 226.47ms. Allocated memory is still 2.1GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:12:36,306 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: 77.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 344 IncrementalHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 65 mSDtfsCounter, 344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 457 SyntacticMatches, 15 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2686 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 72.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 16/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 191]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((a19 != 6) || (a1 < 219)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a19 != 6) || (a1 < 219)) || (a10 != 0)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 138.4MB. Free memory is still 85.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.04ms. Allocated memory is still 138.4MB. Free memory was 98.6MB in the beginning and 68.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.36ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 68.6MB in the beginning and 156.0MB in the end (delta: -87.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.70ms. Allocated memory is still 192.9MB. Free memory was 156.0MB in the beginning and 151.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5728.28ms. Allocated memory was 192.9MB in the beginning and 320.9MB in the end (delta: 127.9MB). Free memory was 151.5MB in the beginning and 174.1MB in the end (delta: -22.6MB). Peak memory consumption was 180.8MB. Max. memory is 16.1GB. * CodeCheck took 77663.20ms. Allocated memory was 320.9MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 174.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 430.0MB. Max. memory is 16.1GB. * Witness Printer took 226.47ms. Allocated memory is still 2.1GB. Free memory was 1.5GB in the beginning and 1.5GB 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 22:12:36,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380e25df-63e7-4204-bd2f-f9494ecc07dc/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