./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/verifythis/lcp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/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_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/lcp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC --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 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:05,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:05,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:10:05,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:05,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:05,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:05,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:05,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:05,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:05,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:05,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:05,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:05,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:05,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:05,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:05,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:05,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:05,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:05,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:05,809 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:05,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:05,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:05,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:05,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:05,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:05,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:05,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:05,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:05,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:05,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:05,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:05,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:05,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:05,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:05,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:05,816 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_ea218b17-487f-463c-bb7d-cdee7e702b5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e47fbc54bff4eeebe072cdb8acf7cfe734a91f148fd421ae1769ba3b81a6f5a [2023-11-23 20:10:06,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:06,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:06,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:06,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:06,222 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:06,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/verifythis/lcp.c [2023-11-23 20:10:09,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:09,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:09,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/sv-benchmarks/c/verifythis/lcp.c [2023-11-23 20:10:09,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/data/b74fbd701/cb7a577620cb4b39b8baea20e0e4dab6/FLAG28fb0e2c8 [2023-11-23 20:10:09,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/data/b74fbd701/cb7a577620cb4b39b8baea20e0e4dab6 [2023-11-23 20:10:09,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:09,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:09,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:09,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:09,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:09,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e8f955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09, skipping insertion in model container [2023-11-23 20:10:09,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:09,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:09,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:09,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:09,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:09,985 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:09,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09 WrapperNode [2023-11-23 20:10:09,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:09,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:09,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:09,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:09,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,050 INFO L138 Inliner]: procedures = 20, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 124 [2023-11-23 20:10:10,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:10,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:10,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:10,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:10,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:10,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:10,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:10,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:10,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:09" (1/1) ... [2023-11-23 20:10:10,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:10,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:10,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:10,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea218b17-487f-463c-bb7d-cdee7e702b5f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:10:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:10:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:10:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:10:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:10:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:10,367 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:10,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:10,681 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:10,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:10,750 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:10:10,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:10 BoogieIcfgContainer [2023-11-23 20:10:10,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:10,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:10,754 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:10,765 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:10,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:10" (1/1) ... [2023-11-23 20:10:10,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2023-11-23 20:10:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2023-11-23 20:10:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:10:10,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 76 transitions. [2023-11-23 20:10:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-11-23 20:10:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:10:11,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:11,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 70 states and 79 transitions. [2023-11-23 20:10:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2023-11-23 20:10:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:10:11,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:11,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 85 transitions. [2023-11-23 20:10:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2023-11-23 20:10:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:10:12,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:12,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 79 states and 92 transitions. [2023-11-23 20:10:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-23 20:10:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:10:13,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:13,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 82 states and 99 transitions. [2023-11-23 20:10:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2023-11-23 20:10:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:13,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:13,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 100 transitions. [2023-11-23 20:10:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2023-11-23 20:10:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:10:13,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 87 states and 108 transitions. [2023-11-23 20:10:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2023-11-23 20:10:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:14,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:14,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 87 states and 107 transitions. [2023-11-23 20:10:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2023-11-23 20:10:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:10:14,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:14,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:14,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 89 states and 110 transitions. [2023-11-23 20:10:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2023-11-23 20:10:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:10:14,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 109 transitions. [2023-11-23 20:10:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2023-11-23 20:10:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:10:14,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:14,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:14,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 114 transitions. [2023-11-23 20:10:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 20:10:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:10:15,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:15,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 103 states and 133 transitions. [2023-11-23 20:10:18,654 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2023-11-23 20:10:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:10:18,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:20,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:20,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 102 states and 132 transitions. [2023-11-23 20:10:20,177 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2023-11-23 20:10:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:10:20,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 153 transitions. [2023-11-23 20:10:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-23 20:10:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:10:23,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:23,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 121 states and 174 transitions. [2023-11-23 20:10:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2023-11-23 20:10:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:26,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:26,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 122 states and 176 transitions. [2023-11-23 20:10:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 176 transitions. [2023-11-23 20:10:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:27,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:27,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:10:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 126 states and 183 transitions. [2023-11-23 20:10:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2023-11-23 20:10:28,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:10:28,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:28,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 134 states and 192 transitions. [2023-11-23 20:10:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2023-11-23 20:10:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:10:30,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:30,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:31,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 135 states and 193 transitions. [2023-11-23 20:10:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 193 transitions. [2023-11-23 20:10:31,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:10:31,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 136 states and 195 transitions. [2023-11-23 20:10:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2023-11-23 20:10:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:10:32,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:32,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:10:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 147 states and 215 transitions. [2023-11-23 20:10:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 215 transitions. [2023-11-23 20:10:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:10:39,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 161 states and 237 transitions. [2023-11-23 20:10:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 237 transitions. [2023-11-23 20:10:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:10:48,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:10:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 168 states and 251 transitions. [2023-11-23 20:10:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 251 transitions. [2023-11-23 20:10:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:10:51,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:11:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 185 states and 280 transitions. [2023-11-23 20:11:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 280 transitions. [2023-11-23 20:11:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:11:01,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:11:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:02,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 187 states and 282 transitions. [2023-11-23 20:11:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 282 transitions. [2023-11-23 20:11:02,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:11:02,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:02,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:11:03,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:11:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 189 states and 284 transitions. [2023-11-23 20:11:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 284 transitions. [2023-11-23 20:11:03,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:11:03,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:11:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:11:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:11:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.