./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL --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 83260f11871b199c66fbefacd24c95d84ae219136106a5a3246a879f7c60a3e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:06,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:06,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:03:06,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:06,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:06,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:06,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:06,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:06,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:06,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:06,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:06,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:06,781 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:06,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:06,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:06,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:06,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:06,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:06,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:06,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:06,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:06,788 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:06,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:06,789 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:06,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:06,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:06,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:06,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:06,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:06,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:06,793 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:06,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:06,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:06,795 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_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83260f11871b199c66fbefacd24c95d84ae219136106a5a3246a879f7c60a3e2 [2023-11-19 04:03:07,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:07,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:07,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:07,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:07,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:07,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-fpi/ms4.c [2023-11-19 04:03:10,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:10,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:10,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/sv-benchmarks/c/array-fpi/ms4.c [2023-11-19 04:03:10,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/data/3bb01f7af/169e8d3de25644258fc3cf7b0b7e791a/FLAG906f59287 [2023-11-19 04:03:10,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/data/3bb01f7af/169e8d3de25644258fc3cf7b0b7e791a [2023-11-19 04:03:10,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:10,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:10,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:10,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:10,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:10,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69db6a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10, skipping insertion in model container [2023-11-19 04:03:10,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:10,650 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_1ffd3199-0c04-4572-b5bf-fef61e2def9e/sv-benchmarks/c/array-fpi/ms4.c[586,599] [2023-11-19 04:03:10,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:10,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:10,698 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_1ffd3199-0c04-4572-b5bf-fef61e2def9e/sv-benchmarks/c/array-fpi/ms4.c[586,599] [2023-11-19 04:03:10,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:10,720 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:10,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10 WrapperNode [2023-11-19 04:03:10,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:10,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:10,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:10,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:10,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,761 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-11-19 04:03:10,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:10,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:10,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:10,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:10,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:10,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:10,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:10,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:10,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:10" (1/1) ... [2023-11-19 04:03:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:10,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:10,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ffd3199-0c04-4572-b5bf-fef61e2def9e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:03:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:03:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:03:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:10,957 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:10,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:11,126 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:11,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:11,188 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:03:11,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:11 BoogieIcfgContainer [2023-11-19 04:03:11,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:11,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:11,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:11,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:11,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:11" (1/1) ... [2023-11-19 04:03:11,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:11,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-19 04:03:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-19 04:03:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:03:11,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:11,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-19 04:03:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-19 04:03:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:03:11,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 04:03:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 04:03:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:12,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:12,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:03:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:12,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-19 04:03:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-19 04:03:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:03:12,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:12,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-19 04:03:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-19 04:03:13,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:03:13,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:13,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:14,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:15,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2023-11-19 04:03:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2023-11-19 04:03:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:03:15,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:15,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2023-11-19 04:03:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2023-11-19 04:03:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:17,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:17,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 28 states and 70 transitions. [2023-11-19 04:03:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 70 transitions. [2023-11-19 04:03:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:21,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:24,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 31 states and 87 transitions. [2023-11-19 04:03:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 87 transitions. [2023-11-19 04:03:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:24,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:24,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:25,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 95 transitions. [2023-11-19 04:03:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 95 transitions. [2023-11-19 04:03:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:27,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2023-11-19 04:03:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2023-11-19 04:03:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:03:27,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:27,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 36 states and 99 transitions. [2023-11-19 04:03:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 99 transitions. [2023-11-19 04:03:28,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:28,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:28,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 40 states and 122 transitions. [2023-11-19 04:03:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 122 transitions. [2023-11-19 04:03:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:36,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:36,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 43 states and 134 transitions. [2023-11-19 04:03:42,189 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 134 transitions. [2023-11-19 04:03:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:42,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:42,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:49,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 46 states and 142 transitions. [2023-11-19 04:03:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 142 transitions. [2023-11-19 04:03:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:49,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 48 states and 156 transitions. [2023-11-19 04:03:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 156 transitions. [2023-11-19 04:03:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:03:55,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:55,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:56,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 52 states and 167 transitions. [2023-11-19 04:03:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 167 transitions. [2023-11-19 04:03:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:03:59,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.