./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/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_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/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_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/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 cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:10,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:10,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:10,410 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:10,411 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:10,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:10,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:10,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:10,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:10,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:10,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:10,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:10,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:10,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:10,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:10,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:10,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:10,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:10,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:10,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:10,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:10,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:10,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:10,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:10,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:10,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:10,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:10,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:10,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:10,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:10,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:10,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:10,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:10,474 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_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 [2023-11-19 04:07:10,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:10,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:10,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:10,798 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:10,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:10,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2023-11-19 04:07:14,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:14,319 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:14,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2023-11-19 04:07:14,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/data/d8a9100f8/4b7b5627951f4c09a872a447434e9442/FLAG973c3d085 [2023-11-19 04:07:14,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/data/d8a9100f8/4b7b5627951f4c09a872a447434e9442 [2023-11-19 04:07:14,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:14,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:14,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:14,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:14,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:14,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3354b528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14, skipping insertion in model container [2023-11-19 04:07:14,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:14,546 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_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610] [2023-11-19 04:07:14,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:14,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:14,587 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_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610] [2023-11-19 04:07:14,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:14,610 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:14,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14 WrapperNode [2023-11-19 04:07:14,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:14,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:14,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:14,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:14,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,645 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 04:07:14,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:14,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:14,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:14,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:14,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:14,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:14,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:14,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:14,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:14,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:14,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3f6bc67-29c6-4049-b93d-bf3da82f6bbd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:07:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:07:14,844 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:14,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:15,098 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:15,171 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:15,171 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:07:15,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:15 BoogieIcfgContainer [2023-11-19 04:07:15,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:15,176 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:15,177 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:15,186 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:15,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:15" (1/1) ... [2023-11-19 04:07:15,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 04:07:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 04:07:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:07:15,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:15,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:15,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:07:15,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-19 04:07:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 04:07:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:07:15,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:15,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:15,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:07:15,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 04:07:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 04:07:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:07:16,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:16,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:16,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:07:16,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 53 transitions. [2023-11-19 04:07:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-11-19 04:07:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:07:18,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:18,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:07:18,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:07:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 63 transitions. [2023-11-19 04:07:20,788 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 04:07:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:07:20,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:20,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:07:20,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:07:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 72 transitions. [2023-11-19 04:07:24,461 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2023-11-19 04:07:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:07:24,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:24,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:24,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:07:24,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:07:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 84 transitions. [2023-11-19 04:07:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2023-11-19 04:07:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:07:28,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:28,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:07:28,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:07:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 101 transitions. [2023-11-19 04:07:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2023-11-19 04:07:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:07:35,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:35,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:35,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:07:35,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:07:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:40,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 104 transitions. [2023-11-19 04:07:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2023-11-19 04:07:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:40,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:40,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:40,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:07:40,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:07:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 54 states and 116 transitions. [2023-11-19 04:07:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-11-19 04:07:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:07:46,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:46,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:07:46,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:07:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 133 transitions. [2023-11-19 04:07:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 133 transitions. [2023-11-19 04:07:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:07:55,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:55,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:55,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 04:07:55,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 04:08:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 61 states and 146 transitions. [2023-11-19 04:08:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 146 transitions. [2023-11-19 04:08:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:08:08,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:08,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:08:08,463 INFO L285 TraceCheckSpWp]: Computing forward predicates...