./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.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_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/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_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/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_9365ddc7-4a73-4188-9c1c-adce43f54b64/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 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:22:43,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:22:43,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:22:43,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:22:43,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:22:43,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:22:43,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:22:43,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:22:43,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:22:43,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:22:43,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:22:43,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:22:43,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:22:43,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:22:43,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:22:43,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:22:43,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:22:43,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:22:43,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:22:43,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:22:43,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:22:43,464 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:22:43,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:22:43,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:22:43,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:22:43,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:22:43,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:43,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:22:43,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:22:43,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:22:43,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:22:43,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:22:43,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:22:43,476 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_9365ddc7-4a73-4188-9c1c-adce43f54b64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2023-11-19 03:22:43,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:22:43,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:22:43,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:22:43,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:22:43,883 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:22:43,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2023-11-19 03:22:47,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:47,676 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:47,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2023-11-19 03:22:47,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/data/c3f54e17d/96a579b368764d388eb2ca83730a70f2/FLAG81a1fe8bd [2023-11-19 03:22:47,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/data/c3f54e17d/96a579b368764d388eb2ca83730a70f2 [2023-11-19 03:22:47,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:47,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:47,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:47,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:47,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:47,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e0f915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:47, skipping insertion in model container [2023-11-19 03:22:47,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:47" (1/1) ... [2023-11-19 03:22:47,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:48,005 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_9365ddc7-4a73-4188-9c1c-adce43f54b64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2023-11-19 03:22:48,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:48,052 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:48,073 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_9365ddc7-4a73-4188-9c1c-adce43f54b64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2023-11-19 03:22:48,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:48,122 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:48,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48 WrapperNode [2023-11-19 03:22:48,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:48,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:48,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:48,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:48,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,173 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-19 03:22:48,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:48,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:48,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:48,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:48,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:48,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:48,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:48,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:48,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:48,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:48,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:48,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:22:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:22:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:22:48,423 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:48,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:48,598 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:48,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:48,649 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:22:48,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:48 BoogieIcfgContainer [2023-11-19 03:22:48,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:22:48,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:22:48,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:22:48,673 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:22:48,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:48" (1/1) ... [2023-11-19 03:22:48,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:22:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 03:22:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 03:22:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:22:48,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:48,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:49,146 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 03:22:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 03:22:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 03:22:49,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:22:49,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:49,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:49,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:49,547 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 03:22:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2023-11-19 03:22:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2023-11-19 03:22:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:22:49,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:49,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:49,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:49,888 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 03:22:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-19 03:22:49,988 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-19 03:22:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:22:49,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:49,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-19 03:22:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 03:22:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:22:50,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:22:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2023-11-19 03:22:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2023-11-19 03:22:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:22:50,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:22:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-11-19 03:22:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-19 03:22:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:22:50,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:50,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:50,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:22:50,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:22:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:51,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2023-11-19 03:22:51,096 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2023-11-19 03:22:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:22:51,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:51,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:51,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:22:51,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:22:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2023-11-19 03:22:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2023-11-19 03:22:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:22:51,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:51,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:51,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:22:51,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:22:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 61 transitions. [2023-11-19 03:22:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-19 03:22:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:22:52,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:52,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:52,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:52,177 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:22:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 67 transitions. [2023-11-19 03:22:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-19 03:22:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:22:52,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:52,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:22:52,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:22:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 70 transitions. [2023-11-19 03:22:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2023-11-19 03:22:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:22:52,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:52,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:52,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:22:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 71 transitions. [2023-11-19 03:22:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2023-11-19 03:22:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:22:53,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:53,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:53,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:22:53,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:22:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 73 transitions. [2023-11-19 03:22:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2023-11-19 03:22:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:22:53,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:53,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:53,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-19 03:22:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 72 transitions. [2023-11-19 03:22:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 03:22:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:22:55,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:55,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:22:55,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:22:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 75 transitions. [2023-11-19 03:22:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2023-11-19 03:22:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:22:56,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:56,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:56,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:56,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-19 03:22:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 80 transitions. [2023-11-19 03:22:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-11-19 03:22:56,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:22:56,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:56,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:22:56,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:22:57,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:57,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 85 transitions. [2023-11-19 03:22:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2023-11-19 03:22:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:22:57,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:57,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:57,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:57,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-19 03:22:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 87 transitions. [2023-11-19 03:22:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-19 03:22:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:22:57,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:57,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:58,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:22:58,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 52 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 03:22:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 89 transitions. [2023-11-19 03:22:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2023-11-19 03:22:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:22:58,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:58,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:22:58,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 03:22:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 93 transitions. [2023-11-19 03:22:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2023-11-19 03:22:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:22:59,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:59,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:22:59,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:22:59,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 94 transitions. [2023-11-19 03:22:59,958 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2023-11-19 03:22:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:22:59,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:59,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:00,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:23:00,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:23:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 55 states and 100 transitions. [2023-11-19 03:23:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2023-11-19 03:23:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:23:00,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:00,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:00,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:00,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-19 03:23:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 55 states and 99 transitions. [2023-11-19 03:23:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 03:23:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:23:00,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:00,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:00,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:23:00,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 25 proven. 79 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 03:23:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 101 transitions. [2023-11-19 03:23:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2023-11-19 03:23:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:23:01,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:01,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:23:01,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:23:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 105 transitions. [2023-11-19 03:23:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2023-11-19 03:23:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:23:02,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:02,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:02,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:23:02,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 50 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:23:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 58 states and 106 transitions. [2023-11-19 03:23:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 106 transitions. [2023-11-19 03:23:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:23:02,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:02,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:02,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:23:02,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:03,082 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:23:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 61 states and 112 transitions. [2023-11-19 03:23:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2023-11-19 03:23:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 03:23:03,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:03,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:03,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:03,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2023-11-19 03:23:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 111 transitions. [2023-11-19 03:23:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 111 transitions. [2023-11-19 03:23:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:23:03,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:03,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:03,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:23:03,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 31 proven. 111 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 03:23:04,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 113 transitions. [2023-11-19 03:23:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2023-11-19 03:23:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 03:23:04,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:04,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:05,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:23:05,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 03:23:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 117 transitions. [2023-11-19 03:23:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-19 03:23:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 03:23:05,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:05,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:06,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:23:06,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 36 proven. 75 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 03:23:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 118 transitions. [2023-11-19 03:23:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2023-11-19 03:23:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 03:23:06,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:06,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:06,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:23:06,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 03:23:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 124 transitions. [2023-11-19 03:23:07,259 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2023-11-19 03:23:07,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 03:23:07,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:07,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:07,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2023-11-19 03:23:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 123 transitions. [2023-11-19 03:23:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2023-11-19 03:23:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 03:23:07,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:07,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 03:23:07,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 38 proven. 93 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 03:23:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 68 states and 125 transitions. [2023-11-19 03:23:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-11-19 03:23:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 03:23:08,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:08,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:23:08,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 40 proven. 99 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 03:23:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 69 states and 129 transitions. [2023-11-19 03:23:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 129 transitions. [2023-11-19 03:23:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 03:23:09,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:10,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2023-11-19 03:23:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 130 transitions. [2023-11-19 03:23:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 130 transitions. [2023-11-19 03:23:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 03:23:10,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:10,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:10,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:23:10,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 03:23:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 136 transitions. [2023-11-19 03:23:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2023-11-19 03:23:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 03:23:11,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:11,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2023-11-19 03:23:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 73 states and 135 transitions. [2023-11-19 03:23:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2023-11-19 03:23:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 03:23:11,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:11,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-19 03:23:11,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 44 proven. 126 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 03:23:13,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 74 states and 137 transitions. [2023-11-19 03:23:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2023-11-19 03:23:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-19 03:23:13,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:13,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:13,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:23:13,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 45 proven. 200 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 03:23:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 75 states and 141 transitions. [2023-11-19 03:23:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-19 03:23:14,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 03:23:14,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:14,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:23:14,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 48 proven. 140 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 03:23:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 76 states and 142 transitions. [2023-11-19 03:23:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 142 transitions. [2023-11-19 03:23:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 03:23:14,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:14,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:14,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:23:14,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 169 proven. 35 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 03:23:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 60 states and 98 transitions. [2023-11-19 03:23:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 98 transitions. [2023-11-19 03:23:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 03:23:20,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:20,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:20,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:23:20,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2023-11-19 03:23:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:21,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 54 states and 91 transitions. [2023-11-19 03:23:21,363 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2023-11-19 03:23:21,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:23:21,364 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2023-11-19 03:23:21,372 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:23:22,573 INFO L560 CodeCheckObserver]: Invariant with dag size 63 [2023-11-19 03:23:22,592 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:23:22,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:22 ImpRootNode [2023-11-19 03:23:22,593 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:22,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:22,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:22,596 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:22,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:22:48" (3/4) ... [2023-11-19 03:23:22,599 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:23:22,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:23:22,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:23:22,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:23:22,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:23:22,610 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:23:22,727 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:22,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:23:22,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:22,729 INFO L158 Benchmark]: Toolchain (without parser) took 35015.66ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 145.8MB in the beginning and 216.7MB in the end (delta: -70.8MB). Peak memory consumption was 137.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,729 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:22,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.79ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 135.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.17ms. Allocated memory is still 188.7MB. Free memory was 135.3MB in the beginning and 133.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,731 INFO L158 Benchmark]: Boogie Preprocessor took 55.91ms. Allocated memory is still 188.7MB. Free memory was 133.8MB in the beginning and 132.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,731 INFO L158 Benchmark]: RCFGBuilder took 421.56ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 120.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,731 INFO L158 Benchmark]: CodeCheck took 33937.44ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 120.2MB in the beginning and 221.9MB in the end (delta: -101.7MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,732 INFO L158 Benchmark]: Witness Printer took 132.08ms. Allocated memory is still 394.3MB. Free memory was 221.9MB in the beginning and 216.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:23:22,734 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.7s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2574 SdHoareTripleChecker+Valid, 50.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1413 mSDsluCounter, 3461 SdHoareTripleChecker+Invalid, 42.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1970 mSDsCounter, 9528 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19129 IncrementalHoareTripleChecker+Invalid, 28657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9528 mSolverCounterUnsat, 1491 mSDtfsCounter, 19129 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22440 GetRequests, 21506 SyntacticMatches, 676 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30990 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 3259 NumberOfCodeBlocks, 3259 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 3216 ConstructedInterpolants, 0 QuantifiedInterpolants, 8767 SizeOfPredicates, 73 NumberOfNonLiveVariables, 7723 ConjunctsInSsa, 922 ConjunctsInUnsatCore, 43 InterpolantComputations, 6 PerfectInterpolantSequences, 18085/19863 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: 14]: 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: 30]: Loop Invariant Derived loop invariant: (((((((((((((!(((3 == t) && (a == 1))) && !(((5 == t) && (2 == a)))) && !(((6 == a) && (t == 13)))) && !(((9 == t) && (a == 4)))) && !(((t == 15) && (7 == a)))) && !(((t == 11) && (5 == a)))) && !(((7 == t) && (3 == a)))) || ((16 == s) && (3 == a))) || ((s == 36) && (5 == a))) || ((a == 1) && (s == 4))) || ((9 == s) && (2 == a))) || ((49 == s) && (t == 13))) || ((7 == a) && (64 == s))) || ((s == 25) && (a == 4))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.79ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 135.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.17ms. Allocated memory is still 188.7MB. Free memory was 135.3MB in the beginning and 133.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.91ms. Allocated memory is still 188.7MB. Free memory was 133.8MB in the beginning and 132.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.56ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 120.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 33937.44ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 120.2MB in the beginning and 221.9MB in the end (delta: -101.7MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. * Witness Printer took 132.08ms. Allocated memory is still 394.3MB. Free memory was 221.9MB in the beginning and 216.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:23:22,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9365ddc7-4a73-4188-9c1c-adce43f54b64/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