./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-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_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/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_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/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_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/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 bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:06,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:06,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:06,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:06,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:06,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:06,291 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:06,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:06,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:06,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:06,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:06,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:06,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:06,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:06,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:06,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:06,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:06,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:06,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:06,303 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:06,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:06,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:06,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:06,310 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:06,311 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:06,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:06,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:06,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:06,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:06,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:06,316 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:06,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:06,316 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:06,317 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_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 [2023-11-19 03:59:06,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:06,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:06,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:06,694 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:06,695 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:06,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2023-11-19 03:59:09,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:10,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:10,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2023-11-19 03:59:10,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/data/c761f43ab/fbd57bdf54bd4cf293740126ad5a0c47/FLAG525a7f0c5 [2023-11-19 03:59:10,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/data/c761f43ab/fbd57bdf54bd4cf293740126ad5a0c47 [2023-11-19 03:59:10,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:10,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:10,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:10,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:10,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:10,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4d116f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10, skipping insertion in model container [2023-11-19 03:59:10,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:10,393 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_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c[546,559] [2023-11-19 03:59:10,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:10,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:10,432 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_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c[546,559] [2023-11-19 03:59:10,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:10,452 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:10,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10 WrapperNode [2023-11-19 03:59:10,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:10,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:10,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:10,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:10,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,486 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-19 03:59:10,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:10,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:10,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:10,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:10,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:10,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:10,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:10,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:10,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:10,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:10,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:10,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:59:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:59:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:59:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:59:10,639 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:10,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:10,784 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:10,811 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:10,812 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:59:10,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:10 BoogieIcfgContainer [2023-11-19 03:59:10,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:10,817 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:10,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:10,828 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:10,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:10" (1/1) ... [2023-11-19 03:59:10,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:10,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-19 03:59:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-19 03:59:10,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:10,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:10,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:11,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-19 03:59:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 03:59:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:59:11,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:11,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:11,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-19 03:59:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-19 03:59:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:59:11,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:11,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:59:11,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-19 03:59:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 03:59:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:11,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:11,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:11,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-19 03:59:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-19 03:59:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:59:12,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:12,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:12,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:12,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:59:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 40 transitions. [2023-11-19 03:59:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-19 03:59:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:13,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:13,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:59:13,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 32 states and 40 transitions. [2023-11-19 03:59:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-19 03:59:16,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:59:16,332 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:59:16,346 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:59:16,472 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:59:16,476 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:59:16,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:59:16 ImpRootNode [2023-11-19 03:59:16,477 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:59:16,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:59:16,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:59:16,479 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:59:16,480 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:10" (3/4) ... [2023-11-19 03:59:16,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:59:16,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:59:16,488 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:59:16,496 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:59:16,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:59:16,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:59:16,497 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:59:16,626 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:59:16,626 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:59:16,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:59:16,630 INFO L158 Benchmark]: Toolchain (without parser) took 6433.46ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 96.5MB in the beginning and 74.1MB in the end (delta: 22.4MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:16,630 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:16,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.45ms. Allocated memory is still 144.7MB. Free memory was 96.2MB in the beginning and 85.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:59:16,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 83.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:59:16,632 INFO L158 Benchmark]: Boogie Preprocessor took 20.80ms. Allocated memory is still 144.7MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:59:16,632 INFO L158 Benchmark]: RCFGBuilder took 307.38ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 71.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:59:16,634 INFO L158 Benchmark]: CodeCheck took 5660.13ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 71.7MB in the beginning and 79.2MB in the end (delta: -7.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-19 03:59:16,635 INFO L158 Benchmark]: Witness Printer took 149.00ms. Allocated memory is still 195.0MB. Free memory was 79.2MB in the beginning and 74.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:59:16,643 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 443 IncrementalHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 141 mSolverCounterUnsat, 219 mSDtfsCounter, 443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 911 GetRequests, 809 SyntacticMatches, 10 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2793 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 1 QuantifiedInterpolants, 315 SizeOfPredicates, 8 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 20/23 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: 18]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.45ms. Allocated memory is still 144.7MB. Free memory was 96.2MB in the beginning and 85.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 83.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.80ms. Allocated memory is still 144.7MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.38ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 71.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5660.13ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 71.7MB in the beginning and 79.2MB in the end (delta: -7.6MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Witness Printer took 149.00ms. Allocated memory is still 195.0MB. Free memory was 79.2MB in the beginning and 74.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:59:16,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a26bb23-b993-4e02-8eb0-3872c1a0c8f5/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