./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi --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 270b49fc6fbf3a6d565e1c23dc80c7cece24e766c52320c8c625102e15c9685f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:06,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:06,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:06,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:06,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:06,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:06,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:06,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:06,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:06,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:06,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:06,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:06,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:06,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:06,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:06,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:06,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:06,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:06,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:06,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:06,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:06,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:06,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:06,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:06,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:06,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:06,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:06,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:06,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:06,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:06,793 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:06,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:06,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:06,794 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_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270b49fc6fbf3a6d565e1c23dc80c7cece24e766c52320c8c625102e15c9685f [2023-11-24 22:56:07,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:07,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:07,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:07,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:07,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:07,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem03_label03.c [2023-11-24 22:56:10,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:11,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:11,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/sv-benchmarks/c/eca-rers2012/Problem03_label03.c [2023-11-24 22:56:11,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/data/a45f40856/afc50cd752564ce8b6d58f5f4bb032e1/FLAG8333d5b40 [2023-11-24 22:56:11,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/data/a45f40856/afc50cd752564ce8b6d58f5f4bb032e1 [2023-11-24 22:56:11,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:11,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:11,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:11,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:11,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:11,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:11" (1/1) ... [2023-11-24 22:56:11,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe0f676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:11, skipping insertion in model container [2023-11-24 22:56:11,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:11" (1/1) ... [2023-11-24 22:56:11,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:12,454 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_472c62b6-1294-4efc-8d62-d43c0662488d/sv-benchmarks/c/eca-rers2012/Problem03_label03.c[56355,56368] [2023-11-24 22:56:12,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:12,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:12,892 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_472c62b6-1294-4efc-8d62-d43c0662488d/sv-benchmarks/c/eca-rers2012/Problem03_label03.c[56355,56368] [2023-11-24 22:56:12,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:12,928 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:12,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12 WrapperNode [2023-11-24 22:56:12,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:12,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:12,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:12,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:12,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:12,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,106 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-11-24 22:56:13,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:13,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:13,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:13,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:13,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:13,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:13,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:13,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:13,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:12" (1/1) ... [2023-11-24 22:56:13,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:13,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:13,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:13,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472c62b6-1294-4efc-8d62-d43c0662488d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:13,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:13,502 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:13,505 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:15,880 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:16,399 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:16,399 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:16,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:16 BoogieIcfgContainer [2023-11-24 22:56:16,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:16,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:16,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:16,415 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:16,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:16" (1/1) ... [2023-11-24 22:56:16,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2023-11-24 22:56:16,528 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2023-11-24 22:56:16,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 22:56:16,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:16,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 289 states and 448 transitions. [2023-11-24 22:56:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 448 transitions. [2023-11-24 22:56:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-24 22:56:19,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:22,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 437 states and 712 transitions. [2023-11-24 22:56:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 712 transitions. [2023-11-24 22:56:22,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-24 22:56:22,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 444 states and 721 transitions. [2023-11-24 22:56:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 721 transitions. [2023-11-24 22:56:23,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 22:56:23,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:23,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 448 states and 737 transitions. [2023-11-24 22:56:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 737 transitions. [2023-11-24 22:56:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-24 22:56:24,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:24,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:25,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 459 states and 753 transitions. [2023-11-24 22:56:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 753 transitions. [2023-11-24 22:56:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 22:56:25,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:56:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 460 states and 754 transitions. [2023-11-24 22:56:25,825 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 754 transitions. [2023-11-24 22:56:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-24 22:56:25,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 602 states and 924 transitions. [2023-11-24 22:56:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 924 transitions. [2023-11-24 22:56:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-24 22:56:28,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:28,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 614 states and 943 transitions. [2023-11-24 22:56:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 943 transitions. [2023-11-24 22:56:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-24 22:56:29,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 627 states and 963 transitions. [2023-11-24 22:56:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 963 transitions. [2023-11-24 22:56:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-24 22:56:31,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 637 states and 978 transitions. [2023-11-24 22:56:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 978 transitions. [2023-11-24 22:56:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-24 22:56:32,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:56:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 642 states and 995 transitions. [2023-11-24 22:56:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 995 transitions. [2023-11-24 22:56:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-24 22:56:33,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 643 states and 996 transitions. [2023-11-24 22:56:34,434 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 996 transitions. [2023-11-24 22:56:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-24 22:56:34,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:56:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 644 states and 997 transitions. [2023-11-24 22:56:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 997 transitions. [2023-11-24 22:56:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-24 22:56:35,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 671 states and 1034 transitions. [2023-11-24 22:56:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1034 transitions. [2023-11-24 22:56:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-24 22:56:37,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 700 states and 1075 transitions. [2023-11-24 22:56:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1075 transitions. [2023-11-24 22:56:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-24 22:56:39,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:56:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 713 states and 1093 transitions. [2023-11-24 22:56:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1093 transitions. [2023-11-24 22:56:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-24 22:56:41,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 22:56:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 727 states and 1176 transitions. [2023-11-24 22:56:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1176 transitions. [2023-11-24 22:56:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-24 22:56:42,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 760 states and 1226 transitions. [2023-11-24 22:56:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1226 transitions. [2023-11-24 22:56:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:44,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 788 states and 1281 transitions. [2023-11-24 22:56:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1281 transitions. [2023-11-24 22:56:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:47,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:48,146 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 799 states and 1297 transitions. [2023-11-24 22:56:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1297 transitions. [2023-11-24 22:56:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:49,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 803 states and 1301 transitions. [2023-11-24 22:56:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1301 transitions. [2023-11-24 22:56:49,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:49,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:49,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 804 states and 1302 transitions. [2023-11-24 22:56:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1302 transitions. [2023-11-24 22:56:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:50,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:50,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 805 states and 1303 transitions. [2023-11-24 22:56:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1303 transitions. [2023-11-24 22:56:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:51,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 806 states and 1304 transitions. [2023-11-24 22:56:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1304 transitions. [2023-11-24 22:56:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-24 22:56:51,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.