./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:06,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:06,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:06,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:06,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:06,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:06,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:06,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:06,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:06,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:06,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:06,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:06,763 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:06,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:06,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:06,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:06,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:06,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:06,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:06,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:06,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:06,771 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:06,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:06,771 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:06,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:06,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:06,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:06,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:06,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:06,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:06,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:06,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:06,776 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:06,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:06,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:06,776 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_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2023-11-21 18:46:07,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:07,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:07,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:07,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:07,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:07,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-21 18:46:10,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:10,670 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:10,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2023-11-21 18:46:10,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/data/991f7b0ad/86d12005bf154240b7e9fdacc7375d88/FLAG94914de9b [2023-11-21 18:46:10,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/data/991f7b0ad/86d12005bf154240b7e9fdacc7375d88 [2023-11-21 18:46:10,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:10,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:10,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:10,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:10,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:10,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:10" (1/1) ... [2023-11-21 18:46:10,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec1c59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:10, skipping insertion in model container [2023-11-21 18:46:10,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:10" (1/1) ... [2023-11-21 18:46:10,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:11,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:11,194 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:11,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:11,294 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:11,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11 WrapperNode [2023-11-21 18:46:11,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:11,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:11,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:11,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:11,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,364 INFO L138 Inliner]: procedures = 142, calls = 65, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 186 [2023-11-21 18:46:11,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:11,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:11,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:11,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:11,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:11,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:11,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:11,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:11,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:11" (1/1) ... [2023-11-21 18:46:11,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:11,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:11,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:11,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce090518-da1b-49fc-855d-d934b6ec1e9f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:46:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:46:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2023-11-21 18:46:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2023-11-21 18:46:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2023-11-21 18:46:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2023-11-21 18:46:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:46:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:46:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2023-11-21 18:46:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2023-11-21 18:46:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:46:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:46:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:46:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2023-11-21 18:46:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2023-11-21 18:46:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:11,731 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:11,745 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:12,220 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:12,443 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:12,444 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 18:46:12,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:12 BoogieIcfgContainer [2023-11-21 18:46:12,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:12,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:12,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:12,460 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:12,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:12" (1/1) ... [2023-11-21 18:46:12,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2023-11-21 18:46:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-21 18:46:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:12,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:12,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2023-11-21 18:46:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-21 18:46:13,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:13,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:13,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2023-11-21 18:46:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-21 18:46:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:13,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:46:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2023-11-21 18:46:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-21 18:46:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:46:13,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:13,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:46:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2023-11-21 18:46:14,212 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2023-11-21 18:46:14,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:46:14,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:14,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:46:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 87 transitions. [2023-11-21 18:46:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-21 18:46:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:46:14,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:14,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:46:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 97 transitions. [2023-11-21 18:46:15,072 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-21 18:46:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:46:15,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:46:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 107 transitions. [2023-11-21 18:46:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2023-11-21 18:46:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:46:15,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-21 18:46:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:16,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 117 transitions. [2023-11-21 18:46:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2023-11-21 18:46:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:46:16,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-21 18:46:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 94 states and 127 transitions. [2023-11-21 18:46:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 127 transitions. [2023-11-21 18:46:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:46:17,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:17,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-21 18:46:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 137 transitions. [2023-11-21 18:46:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2023-11-21 18:46:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:46:18,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-21 18:46:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 147 transitions. [2023-11-21 18:46:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2023-11-21 18:46:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-21 18:46:19,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:19,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-21 18:46:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 115 states and 157 transitions. [2023-11-21 18:46:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2023-11-21 18:46:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-21 18:46:20,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-21 18:46:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 122 states and 167 transitions. [2023-11-21 18:46:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2023-11-21 18:46:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-21 18:46:22,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:22,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2023-11-21 18:46:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 129 states and 177 transitions. [2023-11-21 18:46:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2023-11-21 18:46:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-21 18:46:23,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:23,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2023-11-21 18:46:25,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 136 states and 187 transitions. [2023-11-21 18:46:25,637 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-11-21 18:46:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-21 18:46:25,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-21 18:46:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 143 states and 197 transitions. [2023-11-21 18:46:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 197 transitions. [2023-11-21 18:46:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-21 18:46:27,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2023-11-21 18:46:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 150 states and 207 transitions. [2023-11-21 18:46:29,651 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 207 transitions. [2023-11-21 18:46:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-21 18:46:29,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-21 18:46:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 157 states and 217 transitions. [2023-11-21 18:46:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-21 18:46:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-21 18:46:31,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-21 18:46:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 164 states and 227 transitions. [2023-11-21 18:46:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 227 transitions. [2023-11-21 18:46:34,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-21 18:46:34,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2040 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-21 18:46:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 171 states and 237 transitions. [2023-11-21 18:46:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 237 transitions. [2023-11-21 18:46:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-21 18:46:36,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2023-11-21 18:46:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 178 states and 247 transitions. [2023-11-21 18:46:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 247 transitions. [2023-11-21 18:46:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-11-21 18:46:39,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 1368 trivial. 0 not checked. [2023-11-21 18:46:42,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 185 states and 257 transitions. [2023-11-21 18:46:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 257 transitions. [2023-11-21 18:46:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-11-21 18:46:42,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:42,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2023-11-21 18:46:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 192 states and 267 transitions. [2023-11-21 18:46:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 267 transitions. [2023-11-21 18:46:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2023-11-21 18:46:45,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:45,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2023-11-21 18:46:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 199 states and 277 transitions. [2023-11-21 18:46:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 277 transitions. [2023-11-21 18:46:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2023-11-21 18:46:48,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:48,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3465 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2023-11-21 18:46:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 206 states and 287 transitions. [2023-11-21 18:46:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 287 transitions. [2023-11-21 18:46:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2023-11-21 18:46:51,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked.