./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-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_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/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_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/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_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/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 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:40,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:40,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:58:40,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:40,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:40,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:40,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:40,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:40,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:40,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:40,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:40,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:40,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:40,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:40,228 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:40,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:40,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:40,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:40,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:40,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:40,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:40,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:40,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:40,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:40,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:40,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:40,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:40,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:40,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:40,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:40,240 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:40,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:40,240 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:40,241 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_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74e9855722264d342377b8ab219a69c32c582cc628f82167488f3dea5640534c [2023-11-19 03:58:40,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:40,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:40,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:40,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:40,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:40,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2023-11-19 03:58:44,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:44,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:44,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c [2023-11-19 03:58:44,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/data/5e87711fc/f677505ee22343f5bf805cd91ab80471/FLAG53b4cb1f2 [2023-11-19 03:58:44,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/data/5e87711fc/f677505ee22343f5bf805cd91ab80471 [2023-11-19 03:58:44,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:44,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:44,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:44,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:44,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:44,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca6d1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44, skipping insertion in model container [2023-11-19 03:58:44,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,342 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:44,523 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_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c[490,503] [2023-11-19 03:58:44,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:44,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:44,591 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_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound5.c[490,503] [2023-11-19 03:58:44,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:44,629 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:44,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44 WrapperNode [2023-11-19 03:58:44,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:44,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:44,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:44,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:44,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,680 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2023-11-19 03:58:44,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:44,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:44,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:44,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:44,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:44,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:44,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:44,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:44,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:44" (1/1) ... [2023-11-19 03:58:44,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:44,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:44,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:44,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261447c6-e3ee-4d19-8ac3-2fec43c6efb9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:58:44,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:58:44,929 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:44,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:45,268 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:45,324 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:45,325 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:58:45,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:45 BoogieIcfgContainer [2023-11-19 03:58:45,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:45,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:45,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:45,345 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:45,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:45" (1/1) ... [2023-11-19 03:58:45,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2023-11-19 03:58:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2023-11-19 03:58:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:58:45,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:45,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:58:45,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-19 03:58:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-19 03:58:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:58:45,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:45,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:45,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:58:45,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-19 03:58:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-19 03:58:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:58:46,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:58:46,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:58:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2023-11-19 03:58:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2023-11-19 03:58:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:58:46,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:46,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:46,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:58:46,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 72 transitions. [2023-11-19 03:58:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2023-11-19 03:58:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:58:47,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:58:47,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 77 transitions. [2023-11-19 03:58:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2023-11-19 03:58:47,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:58:47,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:47,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:47,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:58:47,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 89 transitions. [2023-11-19 03:58:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 03:58:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:58:49,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:49,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:49,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:49,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 97 transitions. [2023-11-19 03:58:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2023-11-19 03:58:50,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:58:50,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:50,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:50,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:50,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 99 transitions. [2023-11-19 03:58:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2023-11-19 03:58:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:58:51,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:51,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:51,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:58:51,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 110 transitions. [2023-11-19 03:58:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2023-11-19 03:58:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:58:52,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:52,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:58:52,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:52,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:58:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 114 transitions. [2023-11-19 03:58:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-19 03:58:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:58:53,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:53,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:53,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:58:53,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:58:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 67 states and 127 transitions. [2023-11-19 03:58:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2023-11-19 03:58:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:58:55,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:55,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:55,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:58:55,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:58:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 70 states and 131 transitions. [2023-11-19 03:58:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 131 transitions. [2023-11-19 03:58:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:58:56,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:56,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:58:56,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:00,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 79 states and 151 transitions. [2023-11-19 03:59:00,488 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-11-19 03:59:00,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:59:00,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:00,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:59:00,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:59:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 79 states and 151 transitions. [2023-11-19 03:59:01,048 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-11-19 03:59:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:59:01,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:01,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:01,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:59:01,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 82 states and 156 transitions. [2023-11-19 03:59:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2023-11-19 03:59:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:59:02,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:02,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:59:02,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:59:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 92 states and 180 transitions. [2023-11-19 03:59:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2023-11-19 03:59:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:59:05,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:05,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:05,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:59:05,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:59:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:07,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 99 states and 198 transitions. [2023-11-19 03:59:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 198 transitions. [2023-11-19 03:59:07,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:59:07,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:07,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:07,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:07,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:59:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 111 states and 295 transitions. [2023-11-19 03:59:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 295 transitions. [2023-11-19 03:59:10,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:59:10,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:10,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:10,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:10,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:59:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:12,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 116 states and 297 transitions. [2023-11-19 03:59:12,287 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 297 transitions. [2023-11-19 03:59:12,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:59:12,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:12,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:12,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:12,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:59:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 318 transitions. [2023-11-19 03:59:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 318 transitions. [2023-11-19 03:59:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:59:19,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:19,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:19,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:59:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 126 states and 319 transitions. [2023-11-19 03:59:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 319 transitions. [2023-11-19 03:59:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:59:20,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:20,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:59:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 128 states and 321 transitions. [2023-11-19 03:59:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 321 transitions. [2023-11-19 03:59:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:59:22,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:22,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:22,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:59:22,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:59:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 135 states and 352 transitions. [2023-11-19 03:59:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 352 transitions. [2023-11-19 03:59:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:59:26,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:26,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:27,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:27,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 03:59:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 138 states and 367 transitions. [2023-11-19 03:59:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 367 transitions. [2023-11-19 03:59:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:59:29,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:29,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:29,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:59:29,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.