./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/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_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/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_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:37,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:37,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:19:37,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:37,950 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:37,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:37,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:37,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:37,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:37,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:37,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:37,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:38,000 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:38,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:38,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:38,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:38,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:38,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:38,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:38,005 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:38,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:38,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:38,006 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:38,006 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:38,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:38,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:38,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:38,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:38,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:38,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:38,009 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:38,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:38,010 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:38,010 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_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2023-11-19 03:19:38,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:38,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:38,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:38,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:38,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:38,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2023-11-19 03:19:41,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:41,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:41,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2023-11-19 03:19:41,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/data/3dfda1b4c/fc3eca209b234b399c096e5f6e6ba475/FLAG3ead8a797 [2023-11-19 03:19:41,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/data/3dfda1b4c/fc3eca209b234b399c096e5f6e6ba475 [2023-11-19 03:19:41,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:41,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:41,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:41,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:41,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:41,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad90d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41, skipping insertion in model container [2023-11-19 03:19:41,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:41,829 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_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2023-11-19 03:19:41,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:41,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:41,864 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_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2023-11-19 03:19:41,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:41,884 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:41,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41 WrapperNode [2023-11-19 03:19:41,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:41,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:41,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:41,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:41,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,923 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-19 03:19:41,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:41,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:41,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:41,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:41,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:41,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:41,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:41,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:41,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:41" (1/1) ... [2023-11-19 03:19:41,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:41,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:41,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:42,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d5d5aad-263d-40a3-965c-1fe8f0640b7c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:19:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:19:42,107 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:42,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:42,308 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:42,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:42,348 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:19:42,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:42 BoogieIcfgContainer [2023-11-19 03:19:42,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:42,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:42,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:42,364 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:42,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:42" (1/1) ... [2023-11-19 03:19:42,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 03:19:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 03:19:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:42,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:19:42,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:42,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-19 03:19:42,919 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 03:19:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:42,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:19:42,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 03:19:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 03:19:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:19:43,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:43,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 03:19:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 03:19:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:43,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:43,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:19:43,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:19:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 03:19:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 03:19:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:43,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:43,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:19:43,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:19:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2023-11-19 03:19:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2023-11-19 03:19:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:44,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:19:44,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:44,343 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:19:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 03:19:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 03:19:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:19:44,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:44,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:19:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2023-11-19 03:19:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2023-11-19 03:19:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:19:45,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:19:45,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:19:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2023-11-19 03:19:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-19 03:19:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:19:46,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:19:46,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:19:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-19 03:19:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-19 03:19:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:19:46,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:46,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:19:47,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2023-11-19 03:19:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-19 03:19:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:19:47,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:19:47,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:19:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2023-11-19 03:19:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2023-11-19 03:19:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:19:48,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:19:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-19 03:19:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-19 03:19:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:19:48,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:48,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 03:19:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2023-11-19 03:19:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 03:19:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:19:49,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:19:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2023-11-19 03:19:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2023-11-19 03:19:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:19:50,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:19:51,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-19 03:19:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-19 03:19:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:19:51,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 03:19:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2023-11-19 03:19:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2023-11-19 03:19:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:19:51,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:19:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2023-11-19 03:19:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2023-11-19 03:19:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:19:53,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 03:19:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-11-19 03:19:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-11-19 03:19:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:19:55,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-19 03:19:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2023-11-19 03:19:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2023-11-19 03:19:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:19:55,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:19:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2023-11-19 03:19:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2023-11-19 03:19:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:19:57,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:19:57,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:19:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2023-11-19 03:19:58,775 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2023-11-19 03:19:58,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:19:58,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:58,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:19:58,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 03:19:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2023-11-19 03:19:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2023-11-19 03:19:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:19:59,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:19:59,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:20:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2023-11-19 03:20:01,530 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2023-11-19 03:20:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:20:01,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:20:02,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 03:20:03,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2023-11-19 03:20:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2023-11-19 03:20:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:20:03,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:03,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:03,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-19 03:20:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 105 states and 209 transitions. [2023-11-19 03:20:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 209 transitions. [2023-11-19 03:20:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:20:03,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:03,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:20:03,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:20:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 112 states and 224 transitions. [2023-11-19 03:20:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 224 transitions. [2023-11-19 03:20:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:20:06,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:06,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:06,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:20:06,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 03:20:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2023-11-19 03:20:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2023-11-19 03:20:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:20:07,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:07,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:08,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:08,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-19 03:20:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:08,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 116 states and 232 transitions. [2023-11-19 03:20:08,488 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2023-11-19 03:20:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:20:08,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:08,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:08,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 03:20:08,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:20:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 123 states and 247 transitions. [2023-11-19 03:20:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 247 transitions. [2023-11-19 03:20:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:20:11,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:11,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:20:11,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 42 proven. 181 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 03:20:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2023-11-19 03:20:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2023-11-19 03:20:13,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:20:13,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:13,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:13,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-19 03:20:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 127 states and 255 transitions. [2023-11-19 03:20:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 255 transitions. [2023-11-19 03:20:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 03:20:13,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:20:13,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:20:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 134 states and 270 transitions. [2023-11-19 03:20:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 270 transitions. [2023-11-19 03:20:17,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:20:17,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:17,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:17,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 03:20:17,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 62 proven. 201 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-19 03:20:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:18,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 137 states and 276 transitions. [2023-11-19 03:20:18,688 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 276 transitions. [2023-11-19 03:20:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:20:18,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:18,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:18,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:18,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-19 03:20:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 138 states and 278 transitions. [2023-11-19 03:20:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 278 transitions. [2023-11-19 03:20:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 03:20:19,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:19,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:19,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 03:20:19,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 24 proven. 198 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:20:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 145 states and 293 transitions. [2023-11-19 03:20:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 293 transitions. [2023-11-19 03:20:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 03:20:22,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:22,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:23,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:20:23,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 03:20:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 148 states and 299 transitions. [2023-11-19 03:20:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 299 transitions. [2023-11-19 03:20:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:20:25,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:25,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:25,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:25,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2023-11-19 03:20:25,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:25,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 149 states and 301 transitions. [2023-11-19 03:20:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 301 transitions. [2023-11-19 03:20:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:20:25,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:25,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 03:20:25,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:26,532 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 03:20:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 156 states and 316 transitions. [2023-11-19 03:20:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 316 transitions. [2023-11-19 03:20:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 03:20:29,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:30,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 03:20:30,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 57 proven. 295 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-19 03:20:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 322 transitions. [2023-11-19 03:20:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 322 transitions. [2023-11-19 03:20:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 03:20:31,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:31,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:31,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:31,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2023-11-19 03:20:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 160 states and 324 transitions. [2023-11-19 03:20:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2023-11-19 03:20:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 03:20:32,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:32,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-19 03:20:32,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 28 proven. 273 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:20:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 167 states and 339 transitions. [2023-11-19 03:20:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 339 transitions. [2023-11-19 03:20:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 03:20:36,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:36,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:36,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-19 03:20:36,947 INFO L285 TraceCheckSpWp]: Computing forward predicates...