./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.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_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/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_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/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_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/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 b2a54f54b02d2bb65a6f46eeae11edba1907f4f082d2aaa313102e422e7e6122 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:32:59,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:32:59,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:32:59,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:32:59,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:32:59,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:32:59,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:32:59,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:32:59,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:32:59,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:32:59,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:32:59,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:32:59,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:32:59,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:32:59,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:32:59,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:32:59,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:32:59,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:32:59,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:32:59,609 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:32:59,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:32:59,610 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:32:59,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:32:59,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:32:59,612 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:32:59,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:32:59,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:32:59,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:32:59,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:32:59,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:32:59,614 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:32:59,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:32:59,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:32:59,615 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_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2a54f54b02d2bb65a6f46eeae11edba1907f4f082d2aaa313102e422e7e6122 [2023-11-19 03:32:59,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:32:59,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:32:59,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:32:59,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:32:59,896 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:32:59,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c [2023-11-19 03:33:02,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:33:03,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:33:03,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c [2023-11-19 03:33:03,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/data/f93425db3/7855ff351c1f4be9a9fbd5b521ca1689/FLAG4c7e3e3ec [2023-11-19 03:33:03,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/data/f93425db3/7855ff351c1f4be9a9fbd5b521ca1689 [2023-11-19 03:33:03,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:33:03,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:33:03,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:03,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:33:03,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:33:03,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27178fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03, skipping insertion in model container [2023-11-19 03:33:03,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,265 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:33:03,415 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_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c[458,471] [2023-11-19 03:33:03,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:03,441 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:33:03,454 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_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound5.c[458,471] [2023-11-19 03:33:03,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:33:03,475 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:33:03,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03 WrapperNode [2023-11-19 03:33:03,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:33:03,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:03,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:33:03,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:33:03,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,510 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-19 03:33:03,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:33:03,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:33:03,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:33:03,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:33:03,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:33:03,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:33:03,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:33:03,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:33:03,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:33:03,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:33:03,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:33:03,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:33:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:33:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:33:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:33:03,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:33:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:33:03,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:33:03,690 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:33:03,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:33:03,892 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:33:03,949 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:33:03,954 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:33:03,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:03 BoogieIcfgContainer [2023-11-19 03:33:03,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:33:03,961 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:33:03,961 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:33:03,971 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:33:03,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:03" (1/1) ... [2023-11-19 03:33:03,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:33:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 03:33:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 03:33:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:33:04,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:04,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:04,408 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 03:33:04,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-19 03:33:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 03:33:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:33:04,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:33:04,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:33:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:33:04,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:33:04,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:04,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:33:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:33:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:33:04,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:33:04,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:04,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:04,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:33:04,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 03:33:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 03:33:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:33:05,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:33:05,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2023-11-19 03:33:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2023-11-19 03:33:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:33:05,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:05,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:05,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:33:05,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:33:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2023-11-19 03:33:06,009 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2023-11-19 03:33:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:33:06,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:06,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:06,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:33:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 03:33:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 03:33:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:33:06,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:06,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:06,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:33:06,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:33:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2023-11-19 03:33:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2023-11-19 03:33:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:33:07,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:07,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:07,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:33:07,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:33:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-19 03:33:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-19 03:33:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:33:08,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:08,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:08,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:08,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:33:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2023-11-19 03:33:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-19 03:33:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:33:08,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:08,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:33:08,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:33:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2023-11-19 03:33:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2023-11-19 03:33:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:33:10,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:10,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:33:10,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:33:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-19 03:33:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-19 03:33:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:33:10,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:10,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:10,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:10,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:33:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2023-11-19 03:33:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 03:33:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:33:11,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:11,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:11,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:33:11,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:33:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2023-11-19 03:33:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2023-11-19 03:33:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:33:12,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:12,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:12,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:33:12,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:33:13,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-19 03:33:13,328 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-19 03:33:13,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:33:13,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:13,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:13,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 03:33:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2023-11-19 03:33:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2023-11-19 03:33:13,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:33:13,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:13,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:33:13,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:33:17,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 91 states and 172 transitions. [2023-11-19 03:33:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 172 transitions. [2023-11-19 03:33:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:33:17,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:17,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:17,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:33:17,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:33:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 40 states and 59 transitions. [2023-11-19 03:33:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-11-19 03:33:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:33:18,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:33:18,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:33:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:33:18,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:33:18,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:33:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-19 03:33:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:33:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 33 states and 50 transitions. [2023-11-19 03:33:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2023-11-19 03:33:19,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:33:19,461 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-11-19 03:33:19,470 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:33:19,674 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:33:19,678 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:33:19,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:33:19 ImpRootNode [2023-11-19 03:33:19,678 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:33:19,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:33:19,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:33:19,679 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:33:19,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:33:03" (3/4) ... [2023-11-19 03:33:19,682 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:33:19,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:33:19,690 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:33:19,691 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:33:19,691 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:33:19,691 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:33:19,799 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:33:19,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:33:19,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:33:19,810 INFO L158 Benchmark]: Toolchain (without parser) took 16572.44ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 86.5MB in the beginning and 107.5MB in the end (delta: -21.0MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-11-19 03:33:19,810 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:19,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.17ms. Allocated memory is still 132.1MB. Free memory was 86.1MB in the beginning and 75.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:33:19,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.93ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:33:19,811 INFO L158 Benchmark]: Boogie Preprocessor took 22.36ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 935.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:19,812 INFO L158 Benchmark]: RCFGBuilder took 425.15ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 73.1MB in the beginning and 146.8MB in the end (delta: -73.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-19 03:33:19,812 INFO L158 Benchmark]: CodeCheck took 15717.62ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 145.7MB in the beginning and 111.7MB in the end (delta: 34.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2023-11-19 03:33:19,812 INFO L158 Benchmark]: Witness Printer took 127.06ms. Allocated memory is still 218.1MB. Free memory was 111.7MB in the beginning and 107.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:33:19,814 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: 15.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1041 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 662 mSDsluCounter, 1169 SdHoareTripleChecker+Invalid, 8.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 798 mSDsCounter, 1854 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4561 IncrementalHoareTripleChecker+Invalid, 6415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1854 mSolverCounterUnsat, 371 mSDtfsCounter, 4561 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5145 GetRequests, 4821 SyntacticMatches, 116 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19654 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 573 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 2125 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1801 ConjunctsInSsa, 337 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 750/999 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: 12]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.17ms. Allocated memory is still 132.1MB. Free memory was 86.1MB in the beginning and 75.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.93ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 74.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.36ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 935.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.15ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 73.1MB in the beginning and 146.8MB in the end (delta: -73.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 15717.62ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 145.7MB in the beginning and 111.7MB in the end (delta: 34.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Witness Printer took 127.06ms. Allocated memory is still 218.1MB. Free memory was 111.7MB in the beginning and 107.5MB 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 03:33:19,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2512d0ef-d3d3-4574-9ff3-aff32d4be9d1/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