./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/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_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/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_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 03:01:48,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:48,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:01:48,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:48,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:48,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:48,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:48,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:48,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:48,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:48,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:48,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:48,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:48,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:48,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:48,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:48,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:48,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:48,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:48,749 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:01:48,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:48,754 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:48,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:48,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:48,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:48,756 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:48,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:48,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:48,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:48,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:48,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:48,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:48,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:48,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:48,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:48,761 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_6859fcae-c938-46bd-a67b-731ec3594c18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe22a831ab045bcc67da4505e3ba36b6f549cf1239b349bc9f8fd22458d7fbac [2023-11-19 03:01:49,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:49,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:49,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:49,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:49,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:49,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c [2023-11-19 03:01:52,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:52,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:52,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound5.c [2023-11-19 03:01:52,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/data/aa347d253/c4f4a547e2414b8997abc424e32f9801/FLAG81fcc1202 [2023-11-19 03:01:52,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/data/aa347d253/c4f4a547e2414b8997abc424e32f9801 [2023-11-19 03:01:52,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:52,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:52,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:52,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:52,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:52,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8ca126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52, skipping insertion in model container [2023-11-19 03:01:52,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:53,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,080 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:53,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,114 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:53,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53 WrapperNode [2023-11-19 03:01:53,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:53,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:53,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:53,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:53,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,151 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-19 03:01:53,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:53,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:53,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:53,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:53,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:53,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:53,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:53,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:53,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:53,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:53,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:53,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6859fcae-c938-46bd-a67b-731ec3594c18/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:53,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:01:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:01:53,311 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:53,313 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:53,532 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:53,581 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:53,581 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:01:53,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:53 BoogieIcfgContainer [2023-11-19 03:01:53,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:53,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:53,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:53,599 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:53,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-19 03:01:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-19 03:01:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:01:53,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:01:53,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:53,878 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 03:01:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-19 03:01:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-19 03:01:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:01:53,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:53,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:53,992 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 03:01:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-19 03:01:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-19 03:01:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:01:54,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,146 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 03:01:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-19 03:01:54,253 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-19 03:01:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:54,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,325 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 03:01:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-11-19 03:01:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-19 03:01:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:54,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,447 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 03:01:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-19 03:01:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-19 03:01:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:54,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:01:54,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:54,947 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 03:01:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-11-19 03:01:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-11-19 03:01:55,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:01:55,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:55,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:55,658 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 03:01:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-19 03:01:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-19 03:01:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:56,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:56,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:01:56,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,704 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 03:01:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-11-19 03:01:57,985 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-19 03:01:57,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:57,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:57,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:58,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:01:58,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:58,148 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 03:01:59,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-11-19 03:01:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-19 03:01:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:59,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:00,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:00,120 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 03:02:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-11-19 03:02:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-11-19 03:02:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:02,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:02,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:02,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:02,601 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 03:02:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-11-19 03:02:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-11-19 03:02:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:03,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:03,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:03,192 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 03:02:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-11-19 03:02:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-11-19 03:02:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:03,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:03,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:03,604 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 03:02:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-11-19 03:02:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-19 03:02:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:05,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:05,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:05,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:05,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:05,576 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 03:02:07,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-11-19 03:02:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-11-19 03:02:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:07,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:07,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:07,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:07,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,246 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 03:02:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-11-19 03:02:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-11-19 03:02:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:09,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:09,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:09,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:09,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:09,694 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 03:02:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-11-19 03:02:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-11-19 03:02:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:02:11,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:11,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:11,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:11,493 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 03:02:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-11-19 03:02:14,994 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-11-19 03:02:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:02:14,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:15,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:15,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:15,131 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 03:02:16,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-11-19 03:02:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-11-19 03:02:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:16,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:16,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:16,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:02:16,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:16,473 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 03:02:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-11-19 03:02:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-11-19 03:02:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:19,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:19,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:19,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:19,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:19,414 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 03:02:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-11-19 03:02:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-19 03:02:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:02:20,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:20,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:20,548 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 03:02:21,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-11-19 03:02:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-11-19 03:02:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:21,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:21,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:21,571 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 03:02:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:25,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 182 states and 328 transitions. [2023-11-19 03:02:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2023-11-19 03:02:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:25,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:25,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:25,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:25,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:25,070 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 03:02:25,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 184 states and 331 transitions. [2023-11-19 03:02:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2023-11-19 03:02:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:02:25,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:25,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:25,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:02:25,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 377 transitions. [2023-11-19 03:02:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 377 transitions. [2023-11-19 03:02:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:02:29,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:29,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:29,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:29,506 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 03:02:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 206 states and 387 transitions. [2023-11-19 03:02:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 387 transitions. [2023-11-19 03:02:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:02:30,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:30,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:30,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:02:30,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:30,523 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 03:02:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 207 states and 392 transitions. [2023-11-19 03:02:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 392 transitions. [2023-11-19 03:02:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:02:30,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:30,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:30,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:30,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 216 states and 421 transitions. [2023-11-19 03:02:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 421 transitions. [2023-11-19 03:02:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:02:33,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:33,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:02:33,663 INFO L285 TraceCheckSpWp]: Computing forward predicates...