./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/egcd2-ll.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_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/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_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/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_05383810-79d6-4d62-8b47-0e0cc9f28591/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 ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:39,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:39,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:39,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:39,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:39,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:39,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:39,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:39,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:39,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:39,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:39,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:39,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:39,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:39,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:39,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:39,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:39,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:39,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:39,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:39,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:39,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:39,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:39,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:39,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:39,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:39,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:39,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:39,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:39,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:39,936 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:39,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:39,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:39,937 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_05383810-79d6-4d62-8b47-0e0cc9f28591/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 [2023-11-19 03:57:40,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:40,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:40,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:40,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:40,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:40,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/egcd2-ll.c [2023-11-19 03:57:43,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:43,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:43,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/sv-benchmarks/c/nla-digbench/egcd2-ll.c [2023-11-19 03:57:43,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/data/c21520ab7/14e0055a7e574434b52b84212ae059dd/FLAG9713cbd75 [2023-11-19 03:57:43,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/data/c21520ab7/14e0055a7e574434b52b84212ae059dd [2023-11-19 03:57:43,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:43,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:43,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:43,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:43,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:43,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:43,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ea0a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43, skipping insertion in model container [2023-11-19 03:57:43,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:43,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:43,882 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_05383810-79d6-4d62-8b47-0e0cc9f28591/sv-benchmarks/c/nla-digbench/egcd2-ll.c[490,503] [2023-11-19 03:57:43,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:43,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:43,949 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/sv-benchmarks/c/nla-digbench/egcd2-ll.c[490,503] [2023-11-19 03:57:43,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:43,994 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:43,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43 WrapperNode [2023-11-19 03:57:43,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:43,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:43,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:43,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:44,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,031 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2023-11-19 03:57:44,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:44,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:44,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:44,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:44,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:44,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:44,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:44,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:44,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:43" (1/1) ... [2023-11-19 03:57:44,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:44,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:44,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:44,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383810-79d6-4d62-8b47-0e0cc9f28591/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:57:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:57:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:44,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:44,226 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:44,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:44,413 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:44,451 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:44,451 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:44,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:44 BoogieIcfgContainer [2023-11-19 03:57:44,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:44,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:44,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:44,468 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:44,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:44" (1/1) ... [2023-11-19 03:57:44,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 03:57:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 03:57:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:57:44,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:44,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:44,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:57:44,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:44,800 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 03:57:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 03:57:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 03:57:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:57:44,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:44,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:44,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:44,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:45,050 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 03:57:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 51 transitions. [2023-11-19 03:57:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2023-11-19 03:57:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:45,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:45,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:57:45,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:45,315 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 03:57:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 54 transitions. [2023-11-19 03:57:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-11-19 03:57:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:57:45,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:45,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:45,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:45,530 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 03:57:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 63 transitions. [2023-11-19 03:57:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-19 03:57:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:57:45,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:45,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:57:45,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:46,060 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 03:57:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 71 transitions. [2023-11-19 03:57:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2023-11-19 03:57:46,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:57:46,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:46,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:46,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:46,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:46,413 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 03:57:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 81 transitions. [2023-11-19 03:57:46,696 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2023-11-19 03:57:46,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:57:46,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:46,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:46,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:46,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:46,989 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 03:57:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 97 transitions. [2023-11-19 03:57:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-19 03:57:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:57:47,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:47,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:57:47,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:47,941 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 03:57:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:48,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 58 states and 113 transitions. [2023-11-19 03:57:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2023-11-19 03:57:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:57:48,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:48,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:48,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 03:57:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 69 states and 140 transitions. [2023-11-19 03:57:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 140 transitions. [2023-11-19 03:57:50,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:57:50,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:57:50,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:57:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 74 states and 150 transitions. [2023-11-19 03:57:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 150 transitions. [2023-11-19 03:57:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:57:51,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:51,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:51,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:57:51,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-19 03:57:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 76 states and 152 transitions. [2023-11-19 03:57:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 152 transitions. [2023-11-19 03:57:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:52,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:52,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:52,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:57:52,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 03:57:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 83 states and 174 transitions. [2023-11-19 03:57:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 174 transitions. [2023-11-19 03:57:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:54,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:57:54,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 03:57:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 85 states and 176 transitions. [2023-11-19 03:57:55,475 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 176 transitions. [2023-11-19 03:57:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:57:55,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:55,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:55,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:55,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 03:57:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 89 states and 188 transitions. [2023-11-19 03:57:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 188 transitions. [2023-11-19 03:57:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:57:56,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:56,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:56,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:57:56,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 03:57:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 95 states and 201 transitions. [2023-11-19 03:57:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 201 transitions. [2023-11-19 03:57:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:57:59,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:59,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:59,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 03:58:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:03,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 101 states and 222 transitions. [2023-11-19 03:58:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 222 transitions. [2023-11-19 03:58:03,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:58:03,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:03,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:03,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:58:03,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:58:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 115 states and 252 transitions. [2023-11-19 03:58:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 252 transitions. [2023-11-19 03:58:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:58:10,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:10,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:58:10,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-19 03:58:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 131 states and 296 transitions. [2023-11-19 03:58:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 296 transitions. [2023-11-19 03:58:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:58:16,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:16,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:16,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:58:16,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-19 03:58:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 134 states and 306 transitions. [2023-11-19 03:58:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 306 transitions. [2023-11-19 03:58:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:58:21,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:21,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:21,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:58:21,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-19 03:58:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 141 states and 323 transitions. [2023-11-19 03:58:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 323 transitions. [2023-11-19 03:58:28,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:58:28,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:28,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:58:28,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-19 03:58:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 144 states and 328 transitions. [2023-11-19 03:58:31,335 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 328 transitions. [2023-11-19 03:58:31,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:58:31,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:31,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:31,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:58:31,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-19 03:58:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 147 states and 341 transitions. [2023-11-19 03:58:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 341 transitions. [2023-11-19 03:58:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:58:36,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:36,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:36,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:58:36,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-19 03:58:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 150 states and 358 transitions. [2023-11-19 03:58:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 358 transitions. [2023-11-19 03:58:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:58:39,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:39,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:58:39,067 INFO L285 TraceCheckSpWp]: Computing forward predicates...