./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/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_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:44,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:44,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 02:52:44,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:44,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:44,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:44,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:44,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:44,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:44,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:44,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:44,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:44,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:44,797 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:52:44,797 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:52:44,797 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:52:44,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:44,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:52:44,799 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:44,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:44,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:44,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:44,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:44,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:44,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:44,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:44,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:44,805 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:44,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:44,805 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_4183b201-e8ca-479e-bdae-a80e8eebe0e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 [2023-11-19 02:52:45,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:45,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:45,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:45,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:45,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:45,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2023-11-19 02:52:48,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:48,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:48,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2023-11-19 02:52:48,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/data/d826b4809/82da4382b75a4f7a83f00b42d69c619f/FLAG91aebca98 [2023-11-19 02:52:48,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/data/d826b4809/82da4382b75a4f7a83f00b42d69c619f [2023-11-19 02:52:48,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:48,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:48,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:48,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:48,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:48,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:48" (1/1) ... [2023-11-19 02:52:48,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@424cef38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:48, skipping insertion in model container [2023-11-19 02:52:48,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:48" (1/1) ... [2023-11-19 02:52:48,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:49,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:49,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:49,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:49,267 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:49,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49 WrapperNode [2023-11-19 02:52:49,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:49,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:49,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:49,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:49,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,357 INFO L138 Inliner]: procedures = 127, calls = 54, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 193 [2023-11-19 02:52:49,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:49,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:49,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:49,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:49,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:49,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:49,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:49,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:49,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:49" (1/1) ... [2023-11-19 02:52:49,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:49,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:49,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:49,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4183b201-e8ca-479e-bdae-a80e8eebe0e4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:52:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:52:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:52:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:52:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:49,719 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:49,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:50,422 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:50,513 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:50,514 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 02:52:50,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:50 BoogieIcfgContainer [2023-11-19 02:52:50,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:50,521 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:50,521 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:50,540 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:50,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:50" (1/1) ... [2023-11-19 02:52:50,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 154 states and 168 transitions. [2023-11-19 02:52:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2023-11-19 02:52:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:52:50,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:50,883 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 02:52:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 153 states and 167 transitions. [2023-11-19 02:52:50,940 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 167 transitions. [2023-11-19 02:52:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:52:50,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,116 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 02:52:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 152 states and 166 transitions. [2023-11-19 02:52:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2023-11-19 02:52:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:51,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,284 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 02:52:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 151 states and 165 transitions. [2023-11-19 02:52:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 165 transitions. [2023-11-19 02:52:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:51,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,399 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 02:52:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 150 states and 164 transitions. [2023-11-19 02:52:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 164 transitions. [2023-11-19 02:52:51,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:51,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,607 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 02:52:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 149 states and 163 transitions. [2023-11-19 02:52:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2023-11-19 02:52:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:52:51,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,713 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 02:52:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 148 states and 162 transitions. [2023-11-19 02:52:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 162 transitions. [2023-11-19 02:52:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:51,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,824 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 02:52:51,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 150 states and 166 transitions. [2023-11-19 02:52:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2023-11-19 02:52:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:52:51,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,970 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 02:52:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 151 states and 167 transitions. [2023-11-19 02:52:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2023-11-19 02:52:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:52,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,334 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 02:52:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 150 states and 166 transitions. [2023-11-19 02:52:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2023-11-19 02:52:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:52,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,446 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 02:52:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 149 states and 165 transitions. [2023-11-19 02:52:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 165 transitions. [2023-11-19 02:52:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:52,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,522 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 02:52:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 148 states and 164 transitions. [2023-11-19 02:52:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 164 transitions. [2023-11-19 02:52:52,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:52:52,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,670 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 02:52:52,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 147 states and 163 transitions. [2023-11-19 02:52:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2023-11-19 02:52:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:52,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,757 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 02:52:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 146 states and 162 transitions. [2023-11-19 02:52:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 162 transitions. [2023-11-19 02:52:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:52,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,932 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 02:52:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 145 states and 161 transitions. [2023-11-19 02:52:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 161 transitions. [2023-11-19 02:52:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:52:52,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,109 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 02:52:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 144 states and 160 transitions. [2023-11-19 02:52:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 160 transitions. [2023-11-19 02:52:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:52:53,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:53,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,331 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 02:52:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 143 states and 159 transitions. [2023-11-19 02:52:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 159 transitions. [2023-11-19 02:52:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:52:53,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:53,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:53,889 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 02:52:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 151 states and 172 transitions. [2023-11-19 02:52:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 172 transitions. [2023-11-19 02:52:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:52:54,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:54,948 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 02:52:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:55,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 159 states and 185 transitions. [2023-11-19 02:52:55,906 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 185 transitions. [2023-11-19 02:52:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:52:55,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:55,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 165 states and 192 transitions. [2023-11-19 02:52:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 192 transitions. [2023-11-19 02:52:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:52:57,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:57,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 176 states and 218 transitions. [2023-11-19 02:53:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 218 transitions. [2023-11-19 02:53:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:53:00,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:02,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 184 states and 232 transitions. [2023-11-19 02:53:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 232 transitions. [2023-11-19 02:53:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:53:02,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 188 states and 242 transitions. [2023-11-19 02:53:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2023-11-19 02:53:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:53:04,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 192 states and 252 transitions. [2023-11-19 02:53:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2023-11-19 02:53:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:53:06,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:06,650 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 02:53:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 191 states and 251 transitions. [2023-11-19 02:53:06,678 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 251 transitions. [2023-11-19 02:53:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:53:06,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:06,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:06,797 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 02:53:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 190 states and 250 transitions. [2023-11-19 02:53:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2023-11-19 02:53:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:06,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:06,884 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 02:53:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 189 states and 249 transitions. [2023-11-19 02:53:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 249 transitions. [2023-11-19 02:53:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:06,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:07,051 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 02:53:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2023-11-19 02:53:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2023-11-19 02:53:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:53:07,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:07,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:07,184 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 02:53:07,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2023-11-19 02:53:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2023-11-19 02:53:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:53:07,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:07,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:07,383 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 02:53:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2023-11-19 02:53:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2023-11-19 02:53:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:53:07,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:07,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:08,310 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 02:53:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 203 states and 280 transitions. [2023-11-19 02:53:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 280 transitions. [2023-11-19 02:53:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:53:13,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:13,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 220 states and 313 transitions. [2023-11-19 02:53:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 313 transitions. [2023-11-19 02:53:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:22,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:22,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 224 states and 320 transitions. [2023-11-19 02:53:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 320 transitions. [2023-11-19 02:53:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:25,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:25,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 231 states and 334 transitions. [2023-11-19 02:53:30,319 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 334 transitions. [2023-11-19 02:53:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:30,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.