./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.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_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/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_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/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_e753d451-92c3-46b4-9b0f-b981ed557772/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 fe22a831ab045bcc67da4505e3ba36b6f549cf1239b349bc9f8fd22458d7fbac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:12:33,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:12:34,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:12:34,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:12:34,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:12:34,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:12:34,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:12:34,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:12:34,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:12:34,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:12:34,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:12:34,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:12:34,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:12:34,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:12:34,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:12:34,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:12:34,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:12:34,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:12:34,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:12:34,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:12:34,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:12:34,075 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:12:34,076 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:12:34,076 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:12:34,076 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:12:34,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:12:34,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:34,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:12:34,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:12:34,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:12:34,080 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:12:34,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:12:34,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:12:34,081 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_e753d451-92c3-46b4-9b0f-b981ed557772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe22a831ab045bcc67da4505e3ba36b6f549cf1239b349bc9f8fd22458d7fbac [2023-11-19 03:12:34,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:12:34,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:12:34,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:12:34,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:12:34,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:12:34,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c [2023-11-19 03:12:37,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:12:37,722 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:12:37,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c [2023-11-19 03:12:37,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/data/9af11bb9e/6f5d5bdbe23240d4a6c3fc789c209369/FLAGa66998202 [2023-11-19 03:12:37,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/data/9af11bb9e/6f5d5bdbe23240d4a6c3fc789c209369 [2023-11-19 03:12:37,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:12:37,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:12:37,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:37,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:12:37,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:12:37,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:37" (1/1) ... [2023-11-19 03:12:37,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398bdc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:37, skipping insertion in model container [2023-11-19 03:12:37,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:12:37" (1/1) ... [2023-11-19 03:12:37,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:12:37,949 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_e753d451-92c3-46b4-9b0f-b981ed557772/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c[1175,1188] [2023-11-19 03:12:37,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:37,980 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:12:37,991 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_e753d451-92c3-46b4-9b0f-b981ed557772/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c[1175,1188] [2023-11-19 03:12:37,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:12:38,014 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:12:38,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38 WrapperNode [2023-11-19 03:12:38,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:12:38,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:38,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:12:38,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:12:38,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,062 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-11-19 03:12:38,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:12:38,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:12:38,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:12:38,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:12:38,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:12:38,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:12:38,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:12:38,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:12:38,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:12:38,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:12:38,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:12:38,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e753d451-92c3-46b4-9b0f-b981ed557772/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:12:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:12:38,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:12:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:12:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:12:38,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:12:38,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:12:38,266 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:12:38,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:12:38,439 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:12:38,508 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:12:38,509 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:12:38,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:38 BoogieIcfgContainer [2023-11-19 03:12:38,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:12:38,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:12:38,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:12:38,526 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:12:38,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:12:38" (1/1) ... [2023-11-19 03:12:38,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:12:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:38,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 03:12:38,610 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 03:12:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:12:38,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:38,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:12:38,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:38,882 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 03:12:38,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:38,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:12:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:12:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:12:38,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:38,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,063 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 03:12:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:12:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:12:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:12:39,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:39,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,310 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 03:12:39,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:39,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 03:12:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 03:12:39,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:12:39,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:39,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:39,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:12:39,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:39,681 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 03:12:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 03:12:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 03:12:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:12:40,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:40,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:12:40,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2023-11-19 03:12:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2023-11-19 03:12:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:12:43,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:43,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:43,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:12:43,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:44,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 39 states and 80 transitions. [2023-11-19 03:12:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 80 transitions. [2023-11-19 03:12:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:12:44,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:44,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:12:44,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:12:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2023-11-19 03:12:46,338 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2023-11-19 03:12:46,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:12:46,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:46,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:46,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:12:46,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:12:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:48,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2023-11-19 03:12:48,770 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2023-11-19 03:12:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:12:48,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:48,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:48,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:12:48,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:12:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:13:06,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 03:13:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 103 transitions. [2023-11-19 03:13:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 103 transitions. [2023-11-19 03:13:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:13:06,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:06,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:13:06,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:13:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:19,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 50 states and 109 transitions. [2023-11-19 03:13:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 109 transitions. [2023-11-19 03:13:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:13:19,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:19,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:19,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:13:19,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:22,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2023-11-19 03:13:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-11-19 03:13:22,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:13:22,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:22,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:13:22,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:13:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 130 transitions. [2023-11-19 03:13:29,250 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 130 transitions. [2023-11-19 03:13:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:13:29,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:29,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:29,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:13:29,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:13:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 60 states and 145 transitions. [2023-11-19 03:13:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 145 transitions. [2023-11-19 03:13:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:13:31,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:31,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:31,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:13:31,417 INFO L285 TraceCheckSpWp]: Computing forward predicates...