./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/transpose-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/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_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/transpose-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV --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 44b06771d393671cf9550617b8bf478abc837489f84f20705c70efc1808f7508 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:08,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:08,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:59:08,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:08,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:08,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:08,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:08,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:08,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:08,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:08,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:08,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:08,843 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:08,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:08,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:08,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:08,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:08,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:08,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:08,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:08,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:08,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:08,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:08,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:08,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:08,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:08,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:08,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:08,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:08,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:08,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:08,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:08,875 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_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44b06771d393671cf9550617b8bf478abc837489f84f20705c70efc1808f7508 [2023-11-11 23:59:09,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:09,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:09,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:09,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:09,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:09,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-multidimensional/transpose-u.c [2023-11-11 23:59:12,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:12,420 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:12,421 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/sv-benchmarks/c/array-multidimensional/transpose-u.c [2023-11-11 23:59:12,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/data/750156192/378090b2de8b4beb9e7e4abbba363c2f/FLAGad000524f [2023-11-11 23:59:12,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/data/750156192/378090b2de8b4beb9e7e4abbba363c2f [2023-11-11 23:59:12,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:12,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:12,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:12,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:12,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:12,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151635e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12, skipping insertion in model container [2023-11-11 23:59:12,468 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:12,663 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_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/sv-benchmarks/c/array-multidimensional/transpose-u.c[315,328] [2023-11-11 23:59:12,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:12,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:12,705 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_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/sv-benchmarks/c/array-multidimensional/transpose-u.c[315,328] [2023-11-11 23:59:12,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:12,728 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:12,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12 WrapperNode [2023-11-11 23:59:12,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:12,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:12,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:12,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:12,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,769 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-11-11 23:59:12,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:12,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:12,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:12,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:12,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:12,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:12,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:12,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:12,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:12" (1/1) ... [2023-11-11 23:59:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:12,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:12,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:12,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29207ad5-a2d4-4f4e-9e2b-6730d2053d3b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:59:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:59:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:12,964 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:12,966 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:13,154 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:13,203 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:13,204 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-11 23:59:13,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:13 BoogieIcfgContainer [2023-11-11 23:59:13,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:13,208 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:13,208 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:13,225 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:13,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:13" (1/1) ... [2023-11-11 23:59:13,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-11 23:59:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-11 23:59:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:59:13,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:13,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:13,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:59:13,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-11 23:59:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-11 23:59:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:13,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:13,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:59:13,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:13,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:13,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-11 23:59:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-11 23:59:13,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:59:13,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:13,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:13,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:59:13,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2023-11-11 23:59:14,117 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2023-11-11 23:59:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:59:14,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:14,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:14,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:59:14,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-11 23:59:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-11 23:59:14,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:59:14,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:14,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:59:14,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2023-11-11 23:59:14,522 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2023-11-11 23:59:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:59:14,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:14,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:14,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:59:14,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-11 23:59:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-11 23:59:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:59:14,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:14,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:14,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:59:14,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-11-11 23:59:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-11-11 23:59:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:59:14,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:14,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:14,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:59:14,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:15,041 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-11 23:59:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-11 23:59:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:59:15,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:15,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:15,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:59:15,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-11 23:59:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-11 23:59:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:59:15,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:15,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:15,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:59:15,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-11 23:59:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-11 23:59:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:59:15,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:15,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:59:15,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-11 23:59:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-11 23:59:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:59:15,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:16,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:59:16,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-11 23:59:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-11 23:59:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:59:16,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:16,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-11 23:59:16,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-11 23:59:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-11 23:59:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:59:16,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:16,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:16,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:59:16,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-11-11 23:59:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-11 23:59:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:59:16,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:16,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:16,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:59:16,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-11 23:59:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-11 23:59:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:59:17,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:17,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:59:17,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:17,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-11 23:59:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-11 23:59:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:59:17,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:17,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:17,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:59:17,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2023-11-11 23:59:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-11 23:59:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:59:17,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:17,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:17,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:59:17,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-11 23:59:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-11 23:59:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:59:18,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:18,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:18,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-11 23:59:18,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-11 23:59:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-11 23:59:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:59:18,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:18,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:18,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:59:18,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-11 23:59:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-11 23:59:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:59:18,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:18,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:18,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-11 23:59:18,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-11 23:59:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-11 23:59:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:59:19,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:19,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:19,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:59:19,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:19,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-11 23:59:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-11 23:59:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:59:19,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:19,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:19,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-11 23:59:19,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:20,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-11-11 23:59:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-11 23:59:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:59:20,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:20,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:20,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-11 23:59:20,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-11-11 23:59:20,486 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-11 23:59:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:59:20,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:20,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-11 23:59:20,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-11 23:59:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-11 23:59:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:59:20,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:20,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:21,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-11 23:59:21,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-11-11 23:59:21,375 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-11 23:59:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:59:21,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:21,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:21,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-11 23:59:21,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-11 23:59:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-11 23:59:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:59:21,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:21,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-11 23:59:21,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-11 23:59:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-11 23:59:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:59:22,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:22,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-11 23:59:22,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-11 23:59:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-11 23:59:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:59:22,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:22,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:22,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-11 23:59:22,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2023-11-11 23:59:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-11 23:59:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:59:23,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:23,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:23,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-11 23:59:23,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:23,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2023-11-11 23:59:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2023-11-11 23:59:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:59:23,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:23,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-11 23:59:23,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:24,143 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2023-11-11 23:59:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-11 23:59:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:59:24,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:24,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:24,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-11 23:59:24,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2023-11-11 23:59:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-11-11 23:59:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:59:24,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:24,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:24,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-11 23:59:24,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2023-11-11 23:59:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-11 23:59:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:59:25,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:25,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:25,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-11 23:59:25,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-11 23:59:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-11 23:59:25,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:59:25,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:25,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:26,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-11 23:59:26,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-11 23:59:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-11 23:59:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:59:26,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:26,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:26,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-11 23:59:26,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2023-11-11 23:59:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2023-11-11 23:59:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:59:27,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:27,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:27,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-11 23:59:27,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:27,462 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2023-11-11 23:59:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-11 23:59:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:59:27,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:27,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:27,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-11 23:59:27,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:28,086 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:28,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-11-11 23:59:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-11 23:59:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:59:28,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:28,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:28,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-11 23:59:28,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2023-11-11 23:59:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2023-11-11 23:59:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:59:29,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:29,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-11 23:59:29,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2023-11-11 23:59:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-11 23:59:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:59:29,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:29,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-11 23:59:29,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2023-11-11 23:59:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-11 23:59:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:59:30,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:30,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:30,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-11 23:59:30,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2023-11-11 23:59:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-11 23:59:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:31,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:31,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-11 23:59:31,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2023-11-11 23:59:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2023-11-11 23:59:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-11 23:59:31,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:31,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-11 23:59:31,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2023-11-11 23:59:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2023-11-11 23:59:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-11 23:59:32,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:32,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:32,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-11 23:59:32,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-11 23:59:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-11 23:59:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:59:33,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:33,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:33,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-11 23:59:33,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:33,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2023-11-11 23:59:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2023-11-11 23:59:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-11 23:59:33,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:33,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-11 23:59:33,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2023-11-11 23:59:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2023-11-11 23:59:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:59:34,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:34,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-11 23:59:34,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:34,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2023-11-11 23:59:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2023-11-11 23:59:35,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:59:35,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:35,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:35,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-11 23:59:35,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:36,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2023-11-11 23:59:36,002 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2023-11-11 23:59:36,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:59:36,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:36,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:36,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-11 23:59:36,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:36,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2023-11-11 23:59:36,783 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2023-11-11 23:59:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-11 23:59:36,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:36,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:36,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-11 23:59:36,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:37,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2023-11-11 23:59:37,635 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2023-11-11 23:59:37,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-11 23:59:37,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:37,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:37,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-11 23:59:37,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:38,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-11 23:59:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-11 23:59:38,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:59:38,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:38,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:38,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-11 23:59:38,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2023-11-11 23:59:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2023-11-11 23:59:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-11 23:59:39,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:39,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-11 23:59:39,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2023-11-11 23:59:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2023-11-11 23:59:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:59:39,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:40,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-11 23:59:40,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:40,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2023-11-11 23:59:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-11-11 23:59:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-11 23:59:40,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:40,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-11 23:59:40,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2023-11-11 23:59:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-11 23:59:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:59:41,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:41,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:41,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-11 23:59:41,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-11-11 23:59:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-11 23:59:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-11 23:59:42,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:42,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:42,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-11 23:59:42,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2023-11-11 23:59:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2023-11-11 23:59:43,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:59:43,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:43,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:43,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-11 23:59:43,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2023-11-11 23:59:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-11 23:59:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-11 23:59:44,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:44,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:44,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-11 23:59:44,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2023-11-11 23:59:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2023-11-11 23:59:45,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-11 23:59:45,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:45,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-11 23:59:45,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2023-11-11 23:59:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2023-11-11 23:59:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:59:46,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:46,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-11 23:59:46,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:47,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2023-11-11 23:59:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-11-11 23:59:47,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-11 23:59:47,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-11 23:59:47,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2023-11-11 23:59:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2023-11-11 23:59:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-11 23:59:48,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-11 23:59:48,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2023-11-11 23:59:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2023-11-11 23:59:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-11 23:59:49,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-11 23:59:49,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2023-11-11 23:59:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2023-11-11 23:59:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-11 23:59:50,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-11 23:59:50,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 1 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:51,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2023-11-11 23:59:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2023-11-11 23:59:51,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-11 23:59:51,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-11 23:59:51,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 1 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2023-11-11 23:59:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2023-11-11 23:59:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:59:52,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:52,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:52,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-11 23:59:52,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 1 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2023-11-11 23:59:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2023-11-11 23:59:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-11 23:59:53,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-11 23:59:53,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 1 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2023-11-11 23:59:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2023-11-11 23:59:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-11 23:59:54,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:54,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:54,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-11 23:59:54,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 1 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2023-11-11 23:59:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2023-11-11 23:59:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-11 23:59:55,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:55,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:55,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-11 23:59:55,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:56,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 84 states and 92 transitions. [2023-11-11 23:59:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2023-11-11 23:59:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-11 23:59:56,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:56,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:56,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-11 23:59:56,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2557 backedges. 1 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2023-11-11 23:59:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2023-11-11 23:59:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-11 23:59:57,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:57,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:57,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-11 23:59:57,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:59:58,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2023-11-11 23:59:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2023-11-11 23:59:58,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-11 23:59:58,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:58,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:59,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 76 conjunts are in the unsatisfiable core [2023-11-11 23:59:59,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:59:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2702 backedges. 1 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:00:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2023-11-12 00:00:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-12 00:00:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-12 00:00:00,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:00,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-12 00:00:00,346 INFO L285 TraceCheckSpWp]: Computing forward predicates...