./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/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_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2 --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 64bit --witnessprinter.graph.data.programhash e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:08,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:08,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-21 18:27:08,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:08,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:08,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:08,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:08,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:08,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:08,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:08,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:08,892 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:27:08,907 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:27:08,909 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:27:08,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:08,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:08,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:08,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:08,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:08,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:08,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:08,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:08,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:08,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:08,914 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:08,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:08,915 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_7ef9534e-6295-44a5-8a33-7586a67f4021/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e23f623e36810418f8259db464ff0229ef2650c877ad54b7024836b278c00de1 [2023-11-21 18:27:09,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:09,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:09,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:09,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:09,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:09,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2023-11-21 18:27:12,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:12,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:12,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/sv-benchmarks/c/termination-memory-alloca/java_Nested-alloca.i [2023-11-21 18:27:12,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/data/8beb33aca/f7292002f85c4b96b255cb8721a1c561/FLAGe18ad85b1 [2023-11-21 18:27:12,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/data/8beb33aca/f7292002f85c4b96b255cb8721a1c561 [2023-11-21 18:27:12,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:12,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:12,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:12,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:12,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:12,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:12" (1/1) ... [2023-11-21 18:27:12,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8424dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:12, skipping insertion in model container [2023-11-21 18:27:12,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:12" (1/1) ... [2023-11-21 18:27:12,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:13,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:13,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:13,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:13,282 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:13,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13 WrapperNode [2023-11-21 18:27:13,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:13,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:13,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:13,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:13,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,327 INFO L138 Inliner]: procedures = 109, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-21 18:27:13,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:13,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:13,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:13,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:13,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:13,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:13,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:13,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:13,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:13,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:13,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:13,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ef9534e-6295-44a5-8a33-7586a67f4021/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:27:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:27:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:27:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:27:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:13,584 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:13,585 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:13,821 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:13,860 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:13,860 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:27:13,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:13 BoogieIcfgContainer [2023-11-21 18:27:13,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:13,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:13,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:13,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:13,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2023-11-21 18:27:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2023-11-21 18:27:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:27:13,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:13,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:14,237 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 18:27:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-21 18:27:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-21 18:27:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:27:14,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:14,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:14,424 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 18:27:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2023-11-21 18:27:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2023-11-21 18:27:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:27:14,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:14,849 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 18:27:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2023-11-21 18:27:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2023-11-21 18:27:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:27:15,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-21 18:27:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-21 18:27:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:27:15,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,397 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 18:27:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2023-11-21 18:27:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2023-11-21 18:27:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:27:15,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,497 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 18:27:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2023-11-21 18:27:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-21 18:27:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:27:15,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,720 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 18:27:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2023-11-21 18:27:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-21 18:27:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:27:15,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:16,049 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 18:27:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2023-11-21 18:27:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-21 18:27:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:27:16,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:16,702 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 18:27:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-11-21 18:27:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-21 18:27:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:27:17,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:17,544 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 18:27:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2023-11-21 18:27:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-21 18:27:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:27:18,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:18,653 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 18:27:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2023-11-21 18:27:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2023-11-21 18:27:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:27:19,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:19,236 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 18:27:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-21 18:27:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-21 18:27:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:27:19,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:19,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:19,394 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 18:27:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2023-11-21 18:27:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-21 18:27:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:27:19,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:19,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:19,696 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 18:27:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2023-11-21 18:27:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-21 18:27:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:27:19,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:19,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:19,768 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 18:27:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2023-11-21 18:27:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2023-11-21 18:27:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:27:19,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:19,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:19,829 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 18:27:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 93 transitions. [2023-11-21 18:27:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2023-11-21 18:27:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:27:20,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:20,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:20,439 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 18:27:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2023-11-21 18:27:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-21 18:27:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:27:21,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:21,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:21,200 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 18:27:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-11-21 18:27:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-11-21 18:27:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:27:21,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:21,255 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 18:27:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2023-11-21 18:27:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-21 18:27:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:27:21,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:21,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:21,296 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 18:27:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-11-21 18:27:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-11-21 18:27:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:27:21,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:21,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:21,361 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 18:27:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2023-11-21 18:27:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-21 18:27:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:27:21,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:21,421 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 18:27:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 74 states and 116 transitions. [2023-11-21 18:27:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-11-21 18:27:22,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:27:22,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:22,157 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 18:27:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 80 states and 128 transitions. [2023-11-21 18:27:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 128 transitions. [2023-11-21 18:27:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:27:22,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:22,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:22,891 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 18:27:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2023-11-21 18:27:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2023-11-21 18:27:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:27:22,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:22,950 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 18:27:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 80 states and 128 transitions. [2023-11-21 18:27:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 128 transitions. [2023-11-21 18:27:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:22,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:22,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,001 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 18:27:23,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 81 states and 130 transitions. [2023-11-21 18:27:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2023-11-21 18:27:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:23,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:23,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,078 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 18:27:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2023-11-21 18:27:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2023-11-21 18:27:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:23,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:27:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2023-11-21 18:27:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2023-11-21 18:27:23,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:23,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:23,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 146 transitions. [2023-11-21 18:27:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 146 transitions. [2023-11-21 18:27:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:24,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:27:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2023-11-21 18:27:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2023-11-21 18:27:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:24,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:24,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 146 transitions. [2023-11-21 18:27:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2023-11-21 18:27:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:27:24,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:24,805 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 18:27:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 92 states and 145 transitions. [2023-11-21 18:27:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 145 transitions. [2023-11-21 18:27:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:27:24,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:24,872 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 18:27:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2023-11-21 18:27:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2023-11-21 18:27:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:27:24,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2023-11-21 18:27:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2023-11-21 18:27:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:27:25,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:25,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:27:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2023-11-21 18:27:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2023-11-21 18:27:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:27:26,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:26,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:27:26,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2023-11-21 18:27:26,621 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2023-11-21 18:27:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:27:26,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:26,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:27:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2023-11-21 18:27:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2023-11-21 18:27:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:27:27,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:27:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:27,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 109 states and 161 transitions. [2023-11-21 18:27:27,231 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2023-11-21 18:27:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:27:27,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:27,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:28,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:34,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 122 states and 182 transitions. [2023-11-21 18:27:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions. [2023-11-21 18:27:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:27:34,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:34,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 130 states and 192 transitions. [2023-11-21 18:27:39,383 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2023-11-21 18:27:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:27:39,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:39,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 132 states and 194 transitions. [2023-11-21 18:27:41,306 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2023-11-21 18:27:41,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:27:41,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:41,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2023-11-21 18:27:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-11-21 18:27:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:27:46,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 148 states and 214 transitions. [2023-11-21 18:27:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 214 transitions. [2023-11-21 18:27:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:27:52,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 156 states and 224 transitions. [2023-11-21 18:27:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 224 transitions. [2023-11-21 18:27:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:27:59,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 2 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.