./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_mul_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/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_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_mul_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/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_d15b299a-294d-4cd4-8161-b75a82972bf9/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 09dc663f7f76eee13b6af61297831e3fbddcb16c16389bf8d94f2d27048733d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:40:42,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:40:42,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:40:42,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:40:42,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:40:42,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:40:42,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:40:42,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:40:42,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:40:42,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:40:42,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:40:42,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:40:42,526 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:40:42,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:40:42,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:40:42,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:40:42,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:40:42,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:40:42,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:40:42,531 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:40:42,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:40:42,533 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:40:42,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:40:42,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:40:42,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:40:42,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:42,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:40:42,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:40:42,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:40:42,538 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:40:42,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:40:42,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:40:42,541 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_d15b299a-294d-4cd4-8161-b75a82972bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09dc663f7f76eee13b6af61297831e3fbddcb16c16389bf8d94f2d27048733d0 [2023-11-11 23:40:42,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:40:43,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:40:43,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:40:43,010 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:40:43,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:40:43,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-industry-pattern/array_mul_init.i [2023-11-11 23:40:46,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:40:46,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:40:46,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/sv-benchmarks/c/array-industry-pattern/array_mul_init.i [2023-11-11 23:40:46,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/data/360c6ebe2/2184e448c10e4588ac708f849cb57b4e/FLAG975b7e47c [2023-11-11 23:40:46,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/data/360c6ebe2/2184e448c10e4588ac708f849cb57b4e [2023-11-11 23:40:46,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:40:46,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:40:46,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:46,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:40:46,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:40:46,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c31d3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46, skipping insertion in model container [2023-11-11 23:40:46,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:40:46,845 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_d15b299a-294d-4cd4-8161-b75a82972bf9/sv-benchmarks/c/array-industry-pattern/array_mul_init.i[807,820] [2023-11-11 23:40:46,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:46,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:40:46,907 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_d15b299a-294d-4cd4-8161-b75a82972bf9/sv-benchmarks/c/array-industry-pattern/array_mul_init.i[807,820] [2023-11-11 23:40:46,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:40:46,947 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:40:46,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46 WrapperNode [2023-11-11 23:40:46,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:40:46,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:46,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:40:46,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:40:46,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:46,996 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2023-11-11 23:40:46,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:40:46,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:40:46,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:40:46,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:40:47,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:40:47,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:40:47,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:40:47,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:40:47,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:40:46" (1/1) ... [2023-11-11 23:40:47,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:40:47,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:40:47,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:40:47,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d15b299a-294d-4cd4-8161-b75a82972bf9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:40:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:40:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:40:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:40:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:40:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:40:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:40:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:40:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:40:47,237 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:40:47,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:40:47,448 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:40:47,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:40:47,577 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:40:47,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:40:47 BoogieIcfgContainer [2023-11-11 23:40:47,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:40:47,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:40:47,582 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:40:47,594 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:40:47,594 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:40:47" (1/1) ... [2023-11-11 23:40:47,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:40:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-11 23:40:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-11 23:40:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:40:47,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:47,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:40:47,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:47,910 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 23:40:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-11 23:40:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-11 23:40:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:40:47,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-11 23:40:48,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-11 23:40:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-11 23:40:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:40:48,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:48,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:40:48,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-11 23:40:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-11 23:40:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:40:48,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:48,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-11 23:40:48,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2023-11-11 23:40:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-11 23:40:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:40:48,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:48,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:40:48,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-11 23:40:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-11 23:40:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:40:48,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:48,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:48,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-11 23:40:48,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-11 23:40:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-11 23:40:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:40:48,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:49,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:40:49,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-11 23:40:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-11 23:40:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:40:49,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:49,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:49,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:40:49,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-11 23:40:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-11 23:40:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:40:49,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:49,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:49,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:40:49,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-11 23:40:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-11 23:40:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:40:49,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:49,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:40:49,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:49,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:49,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-11 23:40:49,800 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-11 23:40:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:40:49,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:49,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:49,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:40:49,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-11 23:40:50,032 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-11 23:40:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:40:50,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:50,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:50,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-11 23:40:50,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:50,179 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-11 23:40:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-11 23:40:50,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:40:50,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:50,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:50,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:40:50,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-11 23:40:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-11 23:40:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:40:50,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:50,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:50,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-11 23:40:50,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-11 23:40:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-11 23:40:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:40:50,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:50,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:51,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:40:51,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-11 23:40:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-11 23:40:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:40:51,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:51,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:40:51,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:51,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-11 23:40:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-11 23:40:51,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:40:51,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:51,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:40:51,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:51,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-11 23:40:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-11 23:40:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:40:51,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:52,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:40:52,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-11 23:40:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-11 23:40:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:40:52,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:52,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:40:52,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:52,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-11 23:40:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-11 23:40:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:40:52,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:52,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:52,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-11 23:40:52,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-11-11 23:40:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-11 23:40:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:40:53,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:53,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:40:53,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:53,335 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2023-11-11 23:40:53,503 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-11 23:40:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:40:53,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:53,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-11 23:40:53,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-11 23:40:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-11 23:40:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:40:53,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:53,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:54,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:40:54,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:54,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:54,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2023-11-11 23:40:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-11 23:40:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:40:54,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:54,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:54,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-11 23:40:54,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2023-11-11 23:40:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-11 23:40:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:40:54,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:54,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:54,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-11 23:40:54,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2023-11-11 23:40:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-11 23:40:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:40:55,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:55,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:55,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-11 23:40:55,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:55,613 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2023-11-11 23:40:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-11 23:40:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:40:55,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:56,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-11 23:40:56,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:56,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2023-11-11 23:40:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-11 23:40:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:40:56,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:56,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-11 23:40:56,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2023-11-11 23:40:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-11 23:40:56,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:40:56,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:57,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-11 23:40:57,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:57,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2023-11-11 23:40:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2023-11-11 23:40:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:40:57,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:57,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:57,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-11 23:40:57,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2023-11-11 23:40:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-11-11 23:40:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:40:58,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:58,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:58,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-11 23:40:58,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:58,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2023-11-11 23:40:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-11 23:40:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:40:58,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:58,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:58,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-11 23:40:58,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2023-11-11 23:40:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2023-11-11 23:40:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:40:59,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:40:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:40:59,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-11 23:40:59,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:40:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:40:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:40:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2023-11-11 23:40:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-11-11 23:40:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:40:59,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:40:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:00,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-11 23:41:00,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-11 23:41:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-11 23:41:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:41:00,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:00,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:00,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-11 23:41:00,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-11 23:41:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-11 23:41:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:41:01,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:01,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:01,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-11 23:41:01,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-11-11 23:41:01,873 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-11 23:41:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:41:01,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:01,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:02,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-11 23:41:02,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-11 23:41:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-11 23:41:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-11 23:41:02,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:02,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:02,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-11 23:41:02,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-11 23:41:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-11 23:41:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:41:03,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:03,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:03,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-11 23:41:03,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:03,486 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2023-11-11 23:41:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2023-11-11 23:41:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:41:03,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:03,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:03,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-11 23:41:03,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-11 23:41:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-11 23:41:04,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:41:04,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:04,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:04,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-11 23:41:04,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:04,785 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2023-11-11 23:41:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-11 23:41:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:41:05,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:05,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:05,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-11 23:41:05,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:05,474 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2023-11-11 23:41:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2023-11-11 23:41:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-11 23:41:05,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:05,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:05,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-11 23:41:05,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:06,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2023-11-11 23:41:06,365 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2023-11-11 23:41:06,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:41:06,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:06,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-11 23:41:06,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2023-11-11 23:41:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-11-11 23:41:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:41:07,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:07,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:07,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-11 23:41:07,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:07,499 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2023-11-11 23:41:07,765 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2023-11-11 23:41:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:41:07,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:07,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:07,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-11 23:41:07,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2023-11-11 23:41:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2023-11-11 23:41:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-11 23:41:08,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:08,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:08,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-11 23:41:08,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:09,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2023-11-11 23:41:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2023-11-11 23:41:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-11 23:41:09,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:09,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-11 23:41:09,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:10,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2023-11-11 23:41:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2023-11-11 23:41:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:41:10,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:10,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:10,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-11 23:41:10,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2023-11-11 23:41:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2023-11-11 23:41:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-11 23:41:10,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:11,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-11 23:41:11,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:11,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-11 23:41:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-11 23:41:11,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:41:11,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:11,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:11,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-11 23:41:11,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:12,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-11 23:41:12,458 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-11 23:41:12,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:41:12,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:12,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:12,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-11 23:41:12,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:12,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2023-11-11 23:41:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2023-11-11 23:41:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-11 23:41:13,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:13,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:13,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-11 23:41:13,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2023-11-11 23:41:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2023-11-11 23:41:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-11 23:41:14,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:14,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:14,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-11 23:41:14,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2023-11-11 23:41:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-11 23:41:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-11 23:41:14,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:15,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-11 23:41:15,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2023-11-11 23:41:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-11 23:41:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:41:15,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:15,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-11 23:41:15,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2023-11-11 23:41:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-11 23:41:16,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-11 23:41:16,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:16,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:16,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-11 23:41:16,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2023-11-11 23:41:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2023-11-11 23:41:17,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-11 23:41:17,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:17,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:17,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-11 23:41:17,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-11 23:41:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-11 23:41:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-11 23:41:18,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:18,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:18,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-11 23:41:18,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2023-11-11 23:41:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2023-11-11 23:41:19,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:41:19,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:19,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:19,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-11 23:41:19,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2023-11-11 23:41:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-11 23:41:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-11 23:41:20,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:20,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:20,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-11 23:41:20,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-11-11 23:41:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-11 23:41:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-11 23:41:20,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:20,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:21,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 62 conjunts are in the unsatisfiable core [2023-11-11 23:41:21,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2023-11-11 23:41:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-11 23:41:21,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-11 23:41:21,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:22,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-11 23:41:22,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:22,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:22,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2023-11-11 23:41:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2023-11-11 23:41:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-11 23:41:22,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:22,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:23,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-11 23:41:23,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2023-11-11 23:41:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2023-11-11 23:41:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:41:24,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:24,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:24,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-11 23:41:24,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:25,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 74 states and 78 transitions. [2023-11-11 23:41:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2023-11-11 23:41:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-11 23:41:25,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:25,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:25,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-11 23:41:25,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:26,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2023-11-11 23:41:26,101 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-11 23:41:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-11 23:41:26,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:26,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:26,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-11 23:41:26,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2023-11-11 23:41:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-11 23:41:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-11 23:41:27,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:27,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-11 23:41:27,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2212 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-11 23:41:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-11 23:41:28,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-11 23:41:28,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:28,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:28,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-11 23:41:28,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2279 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2023-11-11 23:41:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2023-11-11 23:41:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-11 23:41:29,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:29,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-11 23:41:29,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:41:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:41:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2023-11-11 23:41:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2023-11-11 23:41:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-11 23:41:30,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:41:30,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:41:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:41:30,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-11 23:41:30,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:41:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.