./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.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_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/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_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/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_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/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 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:29,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:29,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:21:29,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:29,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:29,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:29,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:29,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:29,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:29,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:29,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:29,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:29,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:29,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:29,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:29,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:29,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:29,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:29,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:29,580 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:29,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:29,581 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:29,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:29,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:29,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:29,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:29,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:29,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:29,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:29,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:29,585 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:29,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:29,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:29,586 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_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2023-11-19 03:21:29,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:29,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:29,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:29,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:29,921 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:29,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-11-19 03:21:33,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:33,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:33,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-11-19 03:21:33,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/data/611c3f88b/51e49863eec54f87a633e6a47de2c1fe/FLAGa08160ad6 [2023-11-19 03:21:33,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/data/611c3f88b/51e49863eec54f87a633e6a47de2c1fe [2023-11-19 03:21:33,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:33,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:33,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:33,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:33,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:33,559 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1890dc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33, skipping insertion in model container [2023-11-19 03:21:33,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:33,790 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_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2023-11-19 03:21:33,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:33,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:33,839 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_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2023-11-19 03:21:33,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:33,865 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:33,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33 WrapperNode [2023-11-19 03:21:33,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:33,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:33,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:33,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:33,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,901 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 03:21:33,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:33,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:33,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:33,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:33,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:33,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:33,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:33,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:33,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:33" (1/1) ... [2023-11-19 03:21:33,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:33,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:33,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:33,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cabcb11-1032-4ba6-87f7-0ae68e93b6a6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:21:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:21:34,084 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:34,086 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:34,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:34,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:34,286 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:21:34,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:34 BoogieIcfgContainer [2023-11-19 03:21:34,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:34,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:34,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:34,303 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:34,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:34" (1/1) ... [2023-11-19 03:21:34,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 03:21:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 03:21:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:21:34,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:34,833 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 03:21:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-19 03:21:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-19 03:21:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:34,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:34,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,221 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 03:21:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2023-11-19 03:21:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 03:21:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:21:35,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,500 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 03:21:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:35,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2023-11-19 03:21:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2023-11-19 03:21:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:21:35,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:35,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:35,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:21:35,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:21:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2023-11-19 03:21:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2023-11-19 03:21:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:21:36,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:36,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:36,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:21:36,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:21:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2023-11-19 03:21:36,506 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-11-19 03:21:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:21:36,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:36,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:21:36,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:21:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 87 transitions. [2023-11-19 03:21:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2023-11-19 03:21:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:21:37,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:37,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:37,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:37,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:21:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 94 transitions. [2023-11-19 03:21:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-19 03:21:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:21:37,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:38,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:21:38,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 03:21:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 87 transitions. [2023-11-19 03:21:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-19 03:21:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:21:39,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:39,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:39,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:21:39,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 03:21:40,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 95 transitions. [2023-11-19 03:21:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-19 03:21:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:21:40,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:40,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:40,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:21:40,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 03:21:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 97 transitions. [2023-11-19 03:21:41,133 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-11-19 03:21:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:21:41,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:41,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:41,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:21:41,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 03:21:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:41,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 100 transitions. [2023-11-19 03:21:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-19 03:21:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:21:41,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:41,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:41,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:41,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:21:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 103 transitions. [2023-11-19 03:21:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2023-11-19 03:21:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:21:42,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:42,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:21:42,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:21:43,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 120 transitions. [2023-11-19 03:21:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2023-11-19 03:21:43,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:21:43,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:43,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:43,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:21:43,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:21:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 66 states and 126 transitions. [2023-11-19 03:21:44,977 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2023-11-19 03:21:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:21:44,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:45,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 03:21:45,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:21:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 129 transitions. [2023-11-19 03:21:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-19 03:21:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:21:46,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:46,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:21:46,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:21:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 71 states and 137 transitions. [2023-11-19 03:21:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-19 03:21:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:21:47,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:47,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:47,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:21:47,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 03:21:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 73 states and 141 transitions. [2023-11-19 03:21:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-19 03:21:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:21:48,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:48,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:48,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:21:48,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 03:21:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 143 transitions. [2023-11-19 03:21:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-19 03:21:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:21:49,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:49,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:49,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:49,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 03:21:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 75 states and 144 transitions. [2023-11-19 03:21:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2023-11-19 03:21:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:21:49,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:49,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:49,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:21:49,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 03:21:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 76 states and 147 transitions. [2023-11-19 03:21:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2023-11-19 03:21:50,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:21:50,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:50,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:50,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:21:50,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-19 03:21:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:51,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 78 states and 150 transitions. [2023-11-19 03:21:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2023-11-19 03:21:51,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 03:21:51,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:51,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:51,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:21:51,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 03:21:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 80 states and 153 transitions. [2023-11-19 03:21:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2023-11-19 03:21:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 03:21:52,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:52,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:52,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:21:52,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 03:21:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:55,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 89 states and 171 transitions. [2023-11-19 03:21:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2023-11-19 03:21:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 03:21:55,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:55,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:55,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:21:55,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 03:21:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 92 states and 177 transitions. [2023-11-19 03:21:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-11-19 03:21:57,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 03:21:57,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:21:57,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:21:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 33 proven. 70 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 03:21:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:59,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 93 states and 180 transitions. [2023-11-19 03:21:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 180 transitions. [2023-11-19 03:21:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 03:21:59,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:59,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:59,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:21:59,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 03:22:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 97 states and 188 transitions. [2023-11-19 03:22:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 188 transitions. [2023-11-19 03:22:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 03:22:01,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:01,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:22:01,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:01,962 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 03:22:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 99 states and 192 transitions. [2023-11-19 03:22:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 192 transitions. [2023-11-19 03:22:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 03:22:02,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:02,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:02,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:22:02,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 03:22:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 100 states and 194 transitions. [2023-11-19 03:22:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2023-11-19 03:22:04,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 03:22:04,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:04,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:04,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:22:04,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 03:22:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 101 states and 197 transitions. [2023-11-19 03:22:04,977 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2023-11-19 03:22:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 03:22:04,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:04,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:05,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:22:05,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:05,062 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-19 03:22:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 103 states and 199 transitions. [2023-11-19 03:22:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 199 transitions. [2023-11-19 03:22:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 03:22:05,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:05,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:06,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 03:22:06,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 41 proven. 103 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-19 03:22:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 106 states and 205 transitions. [2023-11-19 03:22:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 205 transitions. [2023-11-19 03:22:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:22:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:08,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:08,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:22:08,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:10,241 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 03:22:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 109 states and 211 transitions. [2023-11-19 03:22:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 211 transitions. [2023-11-19 03:22:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 03:22:11,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:11,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:11,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:22:11,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 03:22:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 110 states and 214 transitions. [2023-11-19 03:22:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2023-11-19 03:22:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 03:22:14,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:14,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:14,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:22:14,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 03:22:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:16,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 114 states and 221 transitions. [2023-11-19 03:22:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 221 transitions. [2023-11-19 03:22:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 03:22:16,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:16,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:22:16,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 45 proven. 109 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 03:22:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 116 states and 225 transitions. [2023-11-19 03:22:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2023-11-19 03:22:19,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 03:22:19,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:19,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:19,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:22:19,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 03:22:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 117 states and 227 transitions. [2023-11-19 03:22:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 227 transitions. [2023-11-19 03:22:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 03:22:21,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:21,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:21,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:22:21,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 03:22:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:23,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 118 states and 231 transitions. [2023-11-19 03:22:23,143 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 231 transitions. [2023-11-19 03:22:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-19 03:22:23,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:23,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:23,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:22:23,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:22:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 50 proven. 70 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 03:22:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 118 states and 229 transitions. [2023-11-19 03:22:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 229 transitions. [2023-11-19 03:22:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 03:22:24,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:24,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:22:24,569 INFO L285 TraceCheckSpWp]: Computing forward predicates...