./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL --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 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:24,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:24,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:10:24,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:24,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:24,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:24,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:24,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:24,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:24,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:24,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:24,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:24,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:24,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:24,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:24,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:24,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:24,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:24,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:24,300 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:24,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:24,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:24,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:24,303 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:24,304 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:24,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:24,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:24,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:24,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:24,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:24,308 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:24,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:24,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:24,311 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_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 [2023-11-19 03:10:24,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:24,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:24,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:24,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:24,703 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:24,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2023-11-19 03:10:27,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:10:28,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:10:28,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2023-11-19 03:10:28,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/data/4dedfaad4/bed026465d514653b8e6e94226fdd52e/FLAG3dba5fc68 [2023-11-19 03:10:28,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/data/4dedfaad4/bed026465d514653b8e6e94226fdd52e [2023-11-19 03:10:28,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:10:28,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:10:28,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:28,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:10:28,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:10:28,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5820d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28, skipping insertion in model container [2023-11-19 03:10:28,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:10:28,339 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2023-11-19 03:10:28,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:28,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:10:28,377 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2023-11-19 03:10:28,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:10:28,400 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:10:28,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28 WrapperNode [2023-11-19 03:10:28,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:10:28,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:28,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:10:28,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:10:28,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,435 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 03:10:28,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:10:28,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:10:28,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:10:28,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:10:28,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:10:28,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:10:28,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:10:28,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:10:28,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:10:28,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:10:28,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:10:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:10:28,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:10:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:10:28,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:10:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:10:28,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:10:28,613 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:10:28,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:10:28,746 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:10:28,767 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:10:28,767 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:10:28,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:28 BoogieIcfgContainer [2023-11-19 03:10:28,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:10:28,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:10:28,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:10:28,784 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:10:28,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:28" (1/1) ... [2023-11-19 03:10:28,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:10:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 03:10:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 03:10:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:10:28,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:28,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:10:29,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:10:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:10:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:10:29,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:29,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:10:29,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-19 03:10:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:10:29,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:10:29,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:29,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:10:29,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-19 03:10:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-19 03:10:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:10:29,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:29,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:10:29,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-19 03:10:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-19 03:10:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:30,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:30,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:10:30,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2023-11-19 03:10:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2023-11-19 03:10:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:10:38,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:38,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:38,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:10:38,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:10:38,455 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 18 states and 20 transitions. [2023-11-19 03:10:39,710 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:10:39,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:10:39,712 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:10:39,723 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:10:39,820 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:10:39,824 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:10:39,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:10:39 ImpRootNode [2023-11-19 03:10:39,832 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:10:39,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:10:39,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:10:39,833 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:10:39,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:10:28" (3/4) ... [2023-11-19 03:10:39,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:10:39,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:10:39,855 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 03:10:39,856 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:10:39,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:10:39,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:10:39,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:10:39,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:10:39,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:10:39,977 INFO L158 Benchmark]: Toolchain (without parser) took 11883.92ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 78.0MB in the beginning and 119.8MB in the end (delta: -41.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-19 03:10:39,978 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:10:39,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.71ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 67.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:10:39,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.39ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:10:39,979 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 121.6MB. Free memory was 65.6MB in the beginning and 64.8MB in the end (delta: 829.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:10:39,980 INFO L158 Benchmark]: RCFGBuilder took 306.28ms. Allocated memory is still 121.6MB. Free memory was 64.4MB in the beginning and 54.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:10:39,981 INFO L158 Benchmark]: CodeCheck took 11058.87ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 54.3MB in the beginning and 124.0MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:10:39,981 INFO L158 Benchmark]: Witness Printer took 143.61ms. Allocated memory is still 169.9MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:10:39,984 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 126 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 323 IncrementalHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 94 mSDtfsCounter, 323 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 584 GetRequests, 499 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 3 QuantifiedInterpolants, 212 SizeOfPredicates, 6 NumberOfNonLiveVariables, 330 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 6/11 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: 17]: 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.71ms. Allocated memory is still 121.6MB. Free memory was 77.6MB in the beginning and 67.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.39ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 121.6MB. Free memory was 65.6MB in the beginning and 64.8MB in the end (delta: 829.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.28ms. Allocated memory is still 121.6MB. Free memory was 64.4MB in the beginning and 54.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11058.87ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 54.3MB in the beginning and 124.0MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 143.61ms. Allocated memory is still 169.9MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:10:40,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a21631-9d18-4919-afb6-4e6c307fcfd7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE