./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a80fea07b3dad363ac033c87feb8bfcf28a57d2e75bc95b67f90908b133efe1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:12,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:12,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:46:12,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:12,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:12,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:12,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:12,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:12,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:12,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:12,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:12,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:12,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:12,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:12,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:12,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:12,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:12,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:12,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:12,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:46:12,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:46:12,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:12,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:12,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:12,887 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:12,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:12,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:12,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:12,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:12,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:12,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:12,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:12,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:12,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:12,892 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_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a80fea07b3dad363ac033c87feb8bfcf28a57d2e75bc95b67f90908b133efe1 [2023-11-11 23:46:13,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:13,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:13,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:13,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:13,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:13,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2023-11-11 23:46:16,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:16,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:16,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/sv-benchmarks/c/verifythis/elimination_max_rec_onepoint.c [2023-11-11 23:46:16,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/data/d08157a7d/42d0be7fd43c4e4b963bcf850dd815b7/FLAG227b5e0d5 [2023-11-11 23:46:16,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/data/d08157a7d/42d0be7fd43c4e4b963bcf850dd815b7 [2023-11-11 23:46:16,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:16,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:16,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:16,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:16,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:16,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a10c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16, skipping insertion in model container [2023-11-11 23:46:16,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:16,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:16,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:16,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:16,942 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:16,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16 WrapperNode [2023-11-11 23:46:16,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:16,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:16,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:16,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:16,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,982 INFO L138 Inliner]: procedures = 19, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2023-11-11 23:46:16,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:16,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:16,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:16,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:16,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:16,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:17,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:17,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:17,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:17,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:17,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:17,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:17,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:17,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:17,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:16" (1/1) ... [2023-11-11 23:46:17,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:17,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:17,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b818e563-eb51-409d-bd30-1159b28bc14f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:17,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-11-11 23:46:17,129 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-11-11 23:46:17,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:46:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:17,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:46:17,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:46:17,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:46:17,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:17,222 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:17,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:17,432 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:17,474 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:17,474 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:46:17,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:17 BoogieIcfgContainer [2023-11-11 23:46:17,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:17,478 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:17,478 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:17,490 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:17,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:17" (1/1) ... [2023-11-11 23:46:17,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-11 23:46:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-11 23:46:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:46:17,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:17,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:46:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-11 23:46:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-11 23:46:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:46:18,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:46:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 42 transitions. [2023-11-11 23:46:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-11 23:46:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:46:18,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:18,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:46:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 54 transitions. [2023-11-11 23:46:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-11-11 23:46:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:46:18,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:18,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:46:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:19,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 65 transitions. [2023-11-11 23:46:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-11 23:46:19,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:46:19,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:19,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:20,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:46:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 50 states and 66 transitions. [2023-11-11 23:46:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2023-11-11 23:46:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:46:20,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:46:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 76 transitions. [2023-11-11 23:46:21,964 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2023-11-11 23:46:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:46:21,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:46:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 93 transitions. [2023-11-11 23:46:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2023-11-11 23:46:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:46:22,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:22,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:46:23,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 94 transitions. [2023-11-11 23:46:23,509 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2023-11-11 23:46:23,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:46:23,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:23,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:23,851 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-11 23:46:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 73 states and 110 transitions. [2023-11-11 23:46:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2023-11-11 23:46:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:46:24,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:24,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:46:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 90 states and 142 transitions. [2023-11-11 23:46:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-11 23:46:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:46:27,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-11 23:46:28,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 92 states and 146 transitions. [2023-11-11 23:46:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2023-11-11 23:46:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:46:28,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:28,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-11 23:46:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 106 states and 171 transitions. [2023-11-11 23:46:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2023-11-11 23:46:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:46:32,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:32,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-11 23:46:33,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 115 states and 189 transitions. [2023-11-11 23:46:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2023-11-11 23:46:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:46:33,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:33,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-11 23:46:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 124 states and 202 transitions. [2023-11-11 23:46:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2023-11-11 23:46:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-11 23:46:35,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-11 23:46:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 204 transitions. [2023-11-11 23:46:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2023-11-11 23:46:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:46:36,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:36,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:37,251 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-11 23:46:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:38,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 135 states and 222 transitions. [2023-11-11 23:46:38,534 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 222 transitions. [2023-11-11 23:46:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:46:38,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:38,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-11 23:46:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 235 transitions. [2023-11-11 23:46:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2023-11-11 23:46:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:46:40,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:40,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-11 23:46:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 146 states and 238 transitions. [2023-11-11 23:46:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2023-11-11 23:46:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:46:41,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:41,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-11 23:46:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 155 states and 256 transitions. [2023-11-11 23:46:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 256 transitions. [2023-11-11 23:46:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:46:43,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-11 23:46:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 164 states and 269 transitions. [2023-11-11 23:46:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 269 transitions. [2023-11-11 23:46:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:46:44,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:44,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-11 23:46:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 166 states and 272 transitions. [2023-11-11 23:46:45,914 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 272 transitions. [2023-11-11 23:46:45,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-11 23:46:45,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:45,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-11 23:46:48,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 175 states and 290 transitions. [2023-11-11 23:46:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 290 transitions. [2023-11-11 23:46:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-11 23:46:48,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2023-11-11 23:46:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 216 states and 368 transitions. [2023-11-11 23:46:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 368 transitions. [2023-11-11 23:46:58,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-11 23:46:58,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 42 proven. 20 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-11 23:46:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 216 states and 367 transitions. [2023-11-11 23:46:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 367 transitions. [2023-11-11 23:46:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-11 23:46:59,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-11 23:47:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 225 states and 385 transitions. [2023-11-11 23:47:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 385 transitions. [2023-11-11 23:47:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-11 23:47:02,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:02,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked.