./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/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_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:47,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:47,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:00:47,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:47,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:47,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:47,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:47,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:47,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:47,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:47,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:47,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:47,714 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:47,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:47,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:47,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:47,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:47,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:47,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:47,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:47,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:47,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:47,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:47,720 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:47,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:47,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:47,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:47,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:47,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:47,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:47,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:47,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:47,725 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:47,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:47,726 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:47,726 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_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd [2023-11-19 04:00:47,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:48,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:48,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:48,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:48,014 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:48,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2023-11-19 04:00:51,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:51,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:51,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2023-11-19 04:00:51,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/data/19a702bc1/1dc41875c1b04c3aa33a2b37d7a87036/FLAG0621dd109 [2023-11-19 04:00:51,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/data/19a702bc1/1dc41875c1b04c3aa33a2b37d7a87036 [2023-11-19 04:00:51,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:51,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:51,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:51,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:51,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:51,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:51,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a817ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51, skipping insertion in model container [2023-11-19 04:00:51,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:51,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:51,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:51,919 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:51,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:51,961 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:51,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51 WrapperNode [2023-11-19 04:00:51,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:51,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:51,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:51,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:51,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:51,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,019 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2023-11-19 04:00:52,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:52,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:52,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:52,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:52,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:52,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:52,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:52,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:52,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:51" (1/1) ... [2023-11-19 04:00:52,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:52,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:52,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:52,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0abfbec5-c16a-428c-8bb0-1107b9ebc6e2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:52,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:52,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:53,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:53,300 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:53,301 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:00:53,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:53 BoogieIcfgContainer [2023-11-19 04:00:53,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:53,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:53,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:53,322 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:53,322 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:53" (1/1) ... [2023-11-19 04:00:53,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-19 04:00:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-19 04:00:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:00:53,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,620 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 04:00:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-19 04:00:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-19 04:00:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:00:53,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,763 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 04:00:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-19 04:00:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-19 04:00:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:00:53,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,835 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 04:00:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-19 04:00:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-19 04:00:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:53,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:53,945 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 04:00:53,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-19 04:00:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-19 04:00:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:00:53,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,074 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 04:00:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-19 04:00:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-19 04:00:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:00:54,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,177 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 04:00:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-19 04:00:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-19 04:00:54,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:00:54,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,212 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 04:00:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-19 04:00:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-19 04:00:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:00:54,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,299 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 04:00:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-19 04:00:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-19 04:00:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:00:54,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,365 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 04:00:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-19 04:00:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-19 04:00:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:00:54,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,474 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 04:00:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-19 04:00:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-19 04:00:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:00:54,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,591 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 04:00:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-19 04:00:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-19 04:00:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:54,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,729 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 04:00:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-19 04:00:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-19 04:00:54,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:00:54,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:54,965 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 04:00:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:54,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-19 04:00:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-19 04:00:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:00:54,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:54,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:54,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:54,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,026 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 04:00:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-19 04:00:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-19 04:00:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:00:55,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-19 04:00:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-19 04:00:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:00:55,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 300 states and 313 transitions. [2023-11-19 04:00:55,267 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 313 transitions. [2023-11-19 04:00:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:55,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 310 states and 324 transitions. [2023-11-19 04:00:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 324 transitions. [2023-11-19 04:00:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:00:55,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:00:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 311 states and 325 transitions. [2023-11-19 04:00:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 325 transitions. [2023-11-19 04:00:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:00:55,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:55,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:55,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 334 states and 353 transitions. [2023-11-19 04:00:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 353 transitions. [2023-11-19 04:00:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:00:56,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:56,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 335 states and 354 transitions. [2023-11-19 04:00:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 354 transitions. [2023-11-19 04:00:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:56,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:56,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 360 states and 385 transitions. [2023-11-19 04:00:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 385 transitions. [2023-11-19 04:00:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:56,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:56,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:56,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:57,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 386 states and 417 transitions. [2023-11-19 04:00:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 417 transitions. [2023-11-19 04:00:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:00:57,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:57,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:57,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:57,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 389 states and 422 transitions. [2023-11-19 04:00:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 422 transitions. [2023-11-19 04:00:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:00:57,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:57,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:57,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:00:57,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:58,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 392 states and 426 transitions. [2023-11-19 04:00:58,394 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 426 transitions. [2023-11-19 04:00:58,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:00:58,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:58,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:58,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:58,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 397 states and 434 transitions. [2023-11-19 04:00:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 434 transitions. [2023-11-19 04:00:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:00:59,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:59,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:00:59,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:00:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 403 states and 443 transitions. [2023-11-19 04:00:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 443 transitions. [2023-11-19 04:00:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:00:59,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:59,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:00:59,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 410 states and 451 transitions. [2023-11-19 04:01:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 451 transitions. [2023-11-19 04:01:00,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:00,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:00,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:00,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:00,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:00,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:01,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 414 states and 456 transitions. [2023-11-19 04:01:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 456 transitions. [2023-11-19 04:01:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:01:01,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 416 states and 460 transitions. [2023-11-19 04:01:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 460 transitions. [2023-11-19 04:01:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:01:01,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:01,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:01,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:01,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:02,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 419 states and 465 transitions. [2023-11-19 04:01:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 465 transitions. [2023-11-19 04:01:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:01:02,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:02,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:02,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:02,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 423 states and 471 transitions. [2023-11-19 04:01:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 471 transitions. [2023-11-19 04:01:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:01:03,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:03,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:03,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:03,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 427 states and 476 transitions. [2023-11-19 04:01:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 476 transitions. [2023-11-19 04:01:04,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:01:04,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:05,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 429 states and 480 transitions. [2023-11-19 04:01:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 480 transitions. [2023-11-19 04:01:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:01:05,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:06,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:01:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 430 states and 482 transitions. [2023-11-19 04:01:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 482 transitions. [2023-11-19 04:01:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:01:08,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:08,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 429 states and 481 transitions. [2023-11-19 04:01:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 481 transitions. [2023-11-19 04:01:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:01:08,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:08,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:11,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 434 states and 490 transitions. [2023-11-19 04:01:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 490 transitions. [2023-11-19 04:01:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:01:11,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:11,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:11,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 440 states and 500 transitions. [2023-11-19 04:01:12,743 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 500 transitions. [2023-11-19 04:01:12,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:01:12,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:12,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:12,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:12,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:14,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 448 states and 513 transitions. [2023-11-19 04:01:14,279 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 513 transitions. [2023-11-19 04:01:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:01:14,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:14,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:14,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:14,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 457 states and 527 transitions. [2023-11-19 04:01:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 527 transitions. [2023-11-19 04:01:16,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 04:01:16,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:16,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:16,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:16,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 466 states and 539 transitions. [2023-11-19 04:01:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 539 transitions. [2023-11-19 04:01:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 04:01:18,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:20,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 468 states and 543 transitions. [2023-11-19 04:01:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 543 transitions. [2023-11-19 04:01:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:01:20,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:20,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:20,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 471 states and 548 transitions. [2023-11-19 04:01:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 548 transitions. [2023-11-19 04:01:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:01:20,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:20,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:20,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:20,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:20,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 475 states and 552 transitions. [2023-11-19 04:01:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 552 transitions. [2023-11-19 04:01:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 04:01:21,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:21,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 479 states and 557 transitions. [2023-11-19 04:01:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 557 transitions. [2023-11-19 04:01:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:01:22,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:22,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:22,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 480 states and 559 transitions. [2023-11-19 04:01:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 559 transitions. [2023-11-19 04:01:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 04:01:22,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 482 states and 562 transitions. [2023-11-19 04:01:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 562 transitions. [2023-11-19 04:01:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:01:23,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 515 states and 604 transitions. [2023-11-19 04:01:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2023-11-19 04:01:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:01:26,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:26,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:26,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 516 states and 606 transitions. [2023-11-19 04:01:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 606 transitions. [2023-11-19 04:01:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:01:26,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:26,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:26,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:26,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 536 states and 633 transitions. [2023-11-19 04:01:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 633 transitions. [2023-11-19 04:01:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 04:01:29,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:29,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:29,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:29,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 538 states and 636 transitions. [2023-11-19 04:01:30,031 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 636 transitions. [2023-11-19 04:01:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:01:30,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:30,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 537 states and 635 transitions. [2023-11-19 04:01:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 635 transitions. [2023-11-19 04:01:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:01:30,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:30,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:30,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:30,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 557 states and 665 transitions. [2023-11-19 04:01:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 665 transitions. [2023-11-19 04:01:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:01:33,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:33,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:33,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:33,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 579 states and 694 transitions. [2023-11-19 04:01:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 694 transitions. [2023-11-19 04:01:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:01:37,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:37,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:37,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:37,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 601 states and 727 transitions. [2023-11-19 04:01:40,520 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 727 transitions. [2023-11-19 04:01:40,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:01:40,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:40,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:40,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:40,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 608 states and 744 transitions. [2023-11-19 04:01:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 744 transitions. [2023-11-19 04:01:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:01:42,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:42,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:42,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:01:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:44,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 619 states and 765 transitions. [2023-11-19 04:01:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 765 transitions. [2023-11-19 04:01:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:01:44,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:44,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:44,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:01:44,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.