./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC --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 0ad27fb086e75bf8f5b08286d8e766d07abfe44ff39234568924cf55ade7a6d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:22,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:22,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:17:22,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:22,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:22,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:22,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:22,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:22,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:22,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:22,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:22,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:22,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:22,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:22,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:22,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:22,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:22,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:22,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:22,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:22,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:22,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:22,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:22,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:22,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:22,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:22,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:22,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:22,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:22,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:22,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:22,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:22,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:22,374 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_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ad27fb086e75bf8f5b08286d8e766d07abfe44ff39234568924cf55ade7a6d5 [2023-11-23 20:17:22,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:22,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:22,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:22,734 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:22,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:22,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2023-11-23 20:17:25,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:26,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:26,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2023-11-23 20:17:26,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/data/013bc3edc/c6a569fdbc6242829c8a228f0c084195/FLAG85ef4e02c [2023-11-23 20:17:26,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/data/013bc3edc/c6a569fdbc6242829c8a228f0c084195 [2023-11-23 20:17:26,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:26,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:26,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:26,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:26,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:26,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f57356d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26, skipping insertion in model container [2023-11-23 20:17:26,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,301 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:26,465 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_87bc0279-eb31-44e2-83e8-6050c1468396/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i[893,906] [2023-11-23 20:17:26,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:26,494 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:26,506 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_87bc0279-eb31-44e2-83e8-6050c1468396/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i[893,906] [2023-11-23 20:17:26,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:26,530 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:26,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26 WrapperNode [2023-11-23 20:17:26,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:26,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:26,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:26,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:26,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,570 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 81 [2023-11-23 20:17:26,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:26,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:26,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:26,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:26,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:26,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:26,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:26,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:26,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:26,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:26,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:26,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87bc0279-eb31-44e2-83e8-6050c1468396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:26,762 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:26,766 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:27,002 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:27,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:27,038 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:27,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:27 BoogieIcfgContainer [2023-11-23 20:17:27,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:27,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:27,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:27,059 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:27,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:27" (1/1) ... [2023-11-23 20:17:27,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:27,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-11-23 20:17:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-23 20:17:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:17:27,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:27,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 75 transitions. [2023-11-23 20:17:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2023-11-23 20:17:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:17:27,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:27,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 74 transitions. [2023-11-23 20:17:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-11-23 20:17:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:17:27,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:27,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 86 transitions. [2023-11-23 20:17:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2023-11-23 20:17:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:17:28,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:28,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 88 transitions. [2023-11-23 20:17:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2023-11-23 20:17:28,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:17:28,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:28,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:17:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:29,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 105 transitions. [2023-11-23 20:17:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2023-11-23 20:17:29,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:29,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:17:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 51 states and 103 transitions. [2023-11-23 20:17:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2023-11-23 20:17:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:29,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:17:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 102 transitions. [2023-11-23 20:17:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2023-11-23 20:17:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:17:29,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:29,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:17:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 57 states and 117 transitions. [2023-11-23 20:17:30,727 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2023-11-23 20:17:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:17:30,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:30,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 57 states and 116 transitions. [2023-11-23 20:17:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2023-11-23 20:17:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:17:30,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:30,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 57 states and 115 transitions. [2023-11-23 20:17:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2023-11-23 20:17:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:17:31,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:31,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:17:31,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 61 states and 121 transitions. [2023-11-23 20:17:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2023-11-23 20:17:31,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:17:31,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:31,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:17:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 127 transitions. [2023-11-23 20:17:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2023-11-23 20:17:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:17:31,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:31,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 20:17:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:32,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 68 states and 133 transitions. [2023-11-23 20:17:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2023-11-23 20:17:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:17:32,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 20:17:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 140 transitions. [2023-11-23 20:17:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2023-11-23 20:17:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:17:32,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:32,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 20:17:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 80 states and 165 transitions. [2023-11-23 20:17:33,797 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 165 transitions. [2023-11-23 20:17:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:17:33,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:33,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-23 20:17:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 81 states and 168 transitions. [2023-11-23 20:17:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 168 transitions. [2023-11-23 20:17:34,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:17:34,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-23 20:17:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 87 states and 181 transitions. [2023-11-23 20:17:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2023-11-23 20:17:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:17:35,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 20:17:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 90 states and 185 transitions. [2023-11-23 20:17:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 185 transitions. [2023-11-23 20:17:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:17:36,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:36,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 20:17:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 100 states and 217 transitions. [2023-11-23 20:17:38,303 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 217 transitions. [2023-11-23 20:17:38,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:17:38,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:38,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 20:17:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:39,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 111 states and 238 transitions. [2023-11-23 20:17:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 238 transitions. [2023-11-23 20:17:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:17:39,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:39,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-23 20:17:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 116 states and 249 transitions. [2023-11-23 20:17:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 249 transitions. [2023-11-23 20:17:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:17:40,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:40,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-11-23 20:17:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 120 states and 255 transitions. [2023-11-23 20:17:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 255 transitions. [2023-11-23 20:17:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:17:41,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:41,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-23 20:17:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 124 states and 261 transitions. [2023-11-23 20:17:41,743 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 261 transitions. [2023-11-23 20:17:41,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:17:41,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 20:17:43,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:43,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 133 states and 283 transitions. [2023-11-23 20:17:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 283 transitions. [2023-11-23 20:17:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:17:43,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:17:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 137 states and 294 transitions. [2023-11-23 20:17:45,496 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 294 transitions. [2023-11-23 20:17:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:17:45,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:45,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 20:17:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 139 states and 300 transitions. [2023-11-23 20:17:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 300 transitions. [2023-11-23 20:17:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:17:46,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:46,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-23 20:17:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 142 states and 306 transitions. [2023-11-23 20:17:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 306 transitions. [2023-11-23 20:17:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:17:46,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-23 20:17:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 148 states and 320 transitions. [2023-11-23 20:17:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 320 transitions. [2023-11-23 20:17:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:17:48,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-11-23 20:17:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 149 states and 322 transitions. [2023-11-23 20:17:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 322 transitions. [2023-11-23 20:17:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:17:48,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:48,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-23 20:17:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 152 states and 331 transitions. [2023-11-23 20:17:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 331 transitions. [2023-11-23 20:17:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:17:50,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:50,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:17:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 155 states and 337 transitions. [2023-11-23 20:17:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 337 transitions. [2023-11-23 20:17:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:17:50,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:17:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 167 states and 364 transitions. [2023-11-23 20:17:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 364 transitions. [2023-11-23 20:17:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:17:54,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-11-23 20:17:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 174 states and 382 transitions. [2023-11-23 20:17:55,734 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 382 transitions. [2023-11-23 20:17:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:17:55,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-11-23 20:17:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 175 states and 382 transitions. [2023-11-23 20:17:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 382 transitions. [2023-11-23 20:17:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:17:56,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-23 20:17:57,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 181 states and 403 transitions. [2023-11-23 20:17:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 403 transitions. [2023-11-23 20:17:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:17:57,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:57,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-11-23 20:17:58,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 186 states and 412 transitions. [2023-11-23 20:17:58,949 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 412 transitions. [2023-11-23 20:17:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:17:58,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:58,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-23 20:17:59,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 188 states and 415 transitions. [2023-11-23 20:17:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 415 transitions. [2023-11-23 20:17:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:17:59,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 20:18:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 195 states and 451 transitions. [2023-11-23 20:18:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 451 transitions. [2023-11-23 20:18:02,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:18:02,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 20:18:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 201 states and 469 transitions. [2023-11-23 20:18:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 469 transitions. [2023-11-23 20:18:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:18:04,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:04,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2023-11-23 20:18:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 203 states and 478 transitions. [2023-11-23 20:18:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 478 transitions. [2023-11-23 20:18:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-23 20:18:05,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:05,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2023-11-23 20:18:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 205 states and 484 transitions. [2023-11-23 20:18:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 484 transitions. [2023-11-23 20:18:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:18:06,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:06,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:18:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 207 states and 499 transitions. [2023-11-23 20:18:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 499 transitions. [2023-11-23 20:18:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:18:08,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:18:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 211 states and 514 transitions. [2023-11-23 20:18:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 514 transitions. [2023-11-23 20:18:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:18:09,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2023-11-23 20:18:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 211 states and 512 transitions. [2023-11-23 20:18:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 512 transitions. [2023-11-23 20:18:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:18:10,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:18:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 220 states and 531 transitions. [2023-11-23 20:18:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 531 transitions. [2023-11-23 20:18:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:18:11,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:18:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 223 states and 539 transitions. [2023-11-23 20:18:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 539 transitions. [2023-11-23 20:18:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 20:18:13,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked.