./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested3-1_abstracted.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/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_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested3-1_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/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_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/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 898ef25fdb2ae04f56304d500631f410c196b9a77fbfba6f83248dcfc33b301f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:21:27,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:21:27,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:21:27,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:21:27,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:21:27,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:21:27,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:21:27,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:21:27,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:21:27,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:21:27,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:21:27,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:21:27,343 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:21:27,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:21:27,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:21:27,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:21:27,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:21:27,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:21:27,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:21:27,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:21:27,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:21:27,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:21:27,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:21:27,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:21:27,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:21:27,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:21:27,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:27,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:21:27,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:21:27,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:21:27,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:21:27,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:21:27,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:21:27,355 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_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 898ef25fdb2ae04f56304d500631f410c196b9a77fbfba6f83248dcfc33b301f [2023-11-23 20:21:27,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:21:27,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:21:27,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:21:27,716 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:21:27,717 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:21:27,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/loops-crafted-1/nested3-1_abstracted.c [2023-11-23 20:21:31,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:21:31,334 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:21:31,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/sv-benchmarks/c/loops-crafted-1/nested3-1_abstracted.c [2023-11-23 20:21:31,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/data/596327844/2f0fc479343842098bb2b852c610c028/FLAGee7e12db9 [2023-11-23 20:21:31,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/data/596327844/2f0fc479343842098bb2b852c610c028 [2023-11-23 20:21:31,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:21:31,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:21:31,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:31,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:21:31,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:21:31,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e8f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31, skipping insertion in model container [2023-11-23 20:21:31,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:21:31,637 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_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/sv-benchmarks/c/loops-crafted-1/nested3-1_abstracted.c[739,752] [2023-11-23 20:21:31,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:31,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:21:31,697 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_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/sv-benchmarks/c/loops-crafted-1/nested3-1_abstracted.c[739,752] [2023-11-23 20:21:31,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:21:31,738 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:21:31,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31 WrapperNode [2023-11-23 20:21:31,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:21:31,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:31,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:21:31,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:21:31,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,786 INFO L138 Inliner]: procedures = 20, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-23 20:21:31,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:21:31,788 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:21:31,788 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:21:31,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:21:31,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:21:31,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:21:31,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:21:31,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:21:31,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:21:31" (1/1) ... [2023-11-23 20:21:31,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:21:31,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:21:31,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:21:31,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d04caed9-f5c5-49f9-9dd4-3b55c2cd0b0f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:21:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:21:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:21:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:21:31,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:21:31,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:21:31,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:21:32,007 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:21:32,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:21:32,206 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:21:32,320 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:21:32,320 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:21:32,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:32 BoogieIcfgContainer [2023-11-23 20:21:32,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:21:32,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:21:32,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:21:32,336 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:21:32,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:21:32" (1/1) ... [2023-11-23 20:21:32,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:21:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-23 20:21:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-23 20:21:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:21:32,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:32,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:32,749 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 20:21:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-23 20:21:32,789 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-23 20:21:32,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:21:32,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:32,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:32,874 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 20:21:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-23 20:21:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-23 20:21:32,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:21:32,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:32,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:33,246 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 20:21:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 25 transitions. [2023-11-23 20:21:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-23 20:21:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:21:33,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 29 transitions. [2023-11-23 20:21:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-23 20:21:33,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:21:33,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:21:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 33 transitions. [2023-11-23 20:21:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-23 20:21:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:21:34,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:34,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2023-11-23 20:21:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:21:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:21:35,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:35,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 8 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:21:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 41 transitions. [2023-11-23 20:21:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2023-11-23 20:21:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:21:36,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:36,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 10 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 20:21:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 45 transitions. [2023-11-23 20:21:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-23 20:21:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:21:37,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:37,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 20:21:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 49 transitions. [2023-11-23 20:21:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-23 20:21:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:21:38,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:38,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-23 20:21:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 53 transitions. [2023-11-23 20:21:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2023-11-23 20:21:39,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:21:39,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:39,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-23 20:21:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 57 transitions. [2023-11-23 20:21:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2023-11-23 20:21:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:21:40,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:40,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 18 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-23 20:21:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 61 transitions. [2023-11-23 20:21:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-23 20:21:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:21:41,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 20 proven. 145 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-23 20:21:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 65 transitions. [2023-11-23 20:21:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-23 20:21:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:21:42,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:42,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 22 proven. 176 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:21:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 69 transitions. [2023-11-23 20:21:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-23 20:21:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:21:44,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:44,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 24 proven. 210 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 20:21:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 73 transitions. [2023-11-23 20:21:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-23 20:21:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 20:21:46,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:46,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:46,966 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 26 proven. 247 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-23 20:21:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 59 states and 77 transitions. [2023-11-23 20:21:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-11-23 20:21:47,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:21:47,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 28 proven. 287 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 20:21:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 81 transitions. [2023-11-23 20:21:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-23 20:21:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 20:21:49,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:49,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 30 proven. 330 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 20:21:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 85 transitions. [2023-11-23 20:21:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2023-11-23 20:21:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 20:21:51,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 32 proven. 376 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:21:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 68 states and 89 transitions. [2023-11-23 20:21:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-23 20:21:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-23 20:21:53,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 34 proven. 425 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:21:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 93 transitions. [2023-11-23 20:21:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-23 20:21:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 20:21:56,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:56,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 36 proven. 477 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-23 20:21:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 97 transitions. [2023-11-23 20:21:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-23 20:21:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 20:21:58,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:58,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1254 backedges. 38 proven. 532 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-23 20:22:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 101 transitions. [2023-11-23 20:22:01,356 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2023-11-23 20:22:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 20:22:01,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 40 proven. 590 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 20:22:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 105 transitions. [2023-11-23 20:22:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2023-11-23 20:22:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-23 20:22:04,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:04,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 42 proven. 651 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-23 20:22:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 109 transitions. [2023-11-23 20:22:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2023-11-23 20:22:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-23 20:22:07,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:07,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 44 proven. 715 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-23 20:22:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 113 transitions. [2023-11-23 20:22:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2023-11-23 20:22:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-23 20:22:10,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1840 backedges. 46 proven. 782 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 20:22:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 117 transitions. [2023-11-23 20:22:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-11-23 20:22:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 20:22:13,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:13,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 48 proven. 852 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.