./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.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_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/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_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/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_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/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 e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:10,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:10,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:07:10,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:10,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:10,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:10,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:10,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:10,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:10,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:10,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:10,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:10,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:10,471 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:07:10,471 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:07:10,472 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:07:10,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:10,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:07:10,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:10,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:10,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:10,474 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:10,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:10,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:10,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:10,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:10,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:10,477 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:10,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:10,478 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_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47f94c757882803b8e19e21a897c3f5ab1653c3391e3b246153a1c416bdab7c [2023-11-19 03:07:10,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:10,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:10,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:10,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:10,812 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:10,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2023-11-19 03:07:13,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:14,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:14,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/sv-benchmarks/c/heap-manipulation/merge_sort-2.i [2023-11-19 03:07:14,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/data/8d7a5fe98/2b3d4b921dc6407eaab1d8311aa9d4df/FLAG4ade565f7 [2023-11-19 03:07:14,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/data/8d7a5fe98/2b3d4b921dc6407eaab1d8311aa9d4df [2023-11-19 03:07:14,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:14,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:14,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:14,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:14,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:14,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758404a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14, skipping insertion in model container [2023-11-19 03:07:14,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:14,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:14,665 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:14,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:14,747 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:14,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14 WrapperNode [2023-11-19 03:07:14,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:14,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:14,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:14,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:14,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,812 INFO L138 Inliner]: procedures = 125, calls = 84, calls flagged for inlining = 22, calls inlined = 34, statements flattened = 402 [2023-11-19 03:07:14,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:14,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:14,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:14,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:14,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:14,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:14,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:14,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:14,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:14" (1/1) ... [2023-11-19 03:07:14,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:14,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:14,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:14,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aeae3ff-d4e6-4117-b118-5c380c7f4d79/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:07:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:07:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:07:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:07:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:07:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:07:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:15,088 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:15,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:15,826 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:15,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:15,917 INFO L302 CfgBuilder]: Removed 33 assume(true) statements. [2023-11-19 03:07:15,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:15 BoogieIcfgContainer [2023-11-19 03:07:15,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:15,931 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:15,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:15,938 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:15,938 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:15" (1/1) ... [2023-11-19 03:07:15,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 283 states and 352 transitions. [2023-11-19 03:07:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 352 transitions. [2023-11-19 03:07:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:07:16,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,267 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 03:07:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 282 states and 350 transitions. [2023-11-19 03:07:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 350 transitions. [2023-11-19 03:07:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:07:16,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,485 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 03:07:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 281 states and 349 transitions. [2023-11-19 03:07:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 349 transitions. [2023-11-19 03:07:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:07:16,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,607 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 03:07:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 280 states and 348 transitions. [2023-11-19 03:07:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 348 transitions. [2023-11-19 03:07:16,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:07:16,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,703 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 03:07:16,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 279 states and 347 transitions. [2023-11-19 03:07:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 347 transitions. [2023-11-19 03:07:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:07:16,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,795 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 03:07:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 283 states and 354 transitions. [2023-11-19 03:07:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 354 transitions. [2023-11-19 03:07:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:07:16,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:16,928 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 03:07:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 282 states and 353 transitions. [2023-11-19 03:07:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 353 transitions. [2023-11-19 03:07:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:07:16,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:16,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:17,074 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 03:07:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 281 states and 352 transitions. [2023-11-19 03:07:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 352 transitions. [2023-11-19 03:07:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:07:17,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:17,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:17,228 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 03:07:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 281 states and 349 transitions. [2023-11-19 03:07:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 349 transitions. [2023-11-19 03:07:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:17,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:17,294 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 03:07:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 280 states and 348 transitions. [2023-11-19 03:07:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 348 transitions. [2023-11-19 03:07:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:17,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:17,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:17,457 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 03:07:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 279 states and 347 transitions. [2023-11-19 03:07:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 347 transitions. [2023-11-19 03:07:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:07:17,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:17,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:17,743 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 03:07:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 281 states and 348 transitions. [2023-11-19 03:07:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 348 transitions. [2023-11-19 03:07:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:07:17,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:17,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 281 states and 346 transitions. [2023-11-19 03:07:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 346 transitions. [2023-11-19 03:07:18,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:18,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:18,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 278 states and 343 transitions. [2023-11-19 03:07:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 343 transitions. [2023-11-19 03:07:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:18,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 281 states and 348 transitions. [2023-11-19 03:07:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 348 transitions. [2023-11-19 03:07:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:19,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:19,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 284 states and 353 transitions. [2023-11-19 03:07:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 353 transitions. [2023-11-19 03:07:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:20,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 282 states and 350 transitions. [2023-11-19 03:07:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 350 transitions. [2023-11-19 03:07:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:07:20,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:20,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 280 states and 347 transitions. [2023-11-19 03:07:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 347 transitions. [2023-11-19 03:07:21,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:07:21,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 280 states and 343 transitions. [2023-11-19 03:07:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 343 transitions. [2023-11-19 03:07:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:07:21,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 280 states and 339 transitions. [2023-11-19 03:07:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 339 transitions. [2023-11-19 03:07:21,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:21,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 282 states and 342 transitions. [2023-11-19 03:07:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2023-11-19 03:07:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:21,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 284 states and 345 transitions. [2023-11-19 03:07:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 345 transitions. [2023-11-19 03:07:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:21,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:21,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 288 states and 351 transitions. [2023-11-19 03:07:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2023-11-19 03:07:22,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:22,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 288 states and 349 transitions. [2023-11-19 03:07:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 349 transitions. [2023-11-19 03:07:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:22,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 290 states and 352 transitions. [2023-11-19 03:07:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2023-11-19 03:07:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:22,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:22,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 293 states and 355 transitions. [2023-11-19 03:07:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 355 transitions. [2023-11-19 03:07:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:07:22,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:22,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 293 states and 353 transitions. [2023-11-19 03:07:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 353 transitions. [2023-11-19 03:07:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:07:24,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:24,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 292 states and 350 transitions. [2023-11-19 03:07:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 350 transitions. [2023-11-19 03:07:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:07:24,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:24,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 295 states and 353 transitions. [2023-11-19 03:07:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 353 transitions. [2023-11-19 03:07:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:07:24,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:24,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:25,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 295 states and 351 transitions. [2023-11-19 03:07:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 351 transitions. [2023-11-19 03:07:25,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:07:25,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:25,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:25,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 294 states and 348 transitions. [2023-11-19 03:07:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 348 transitions. [2023-11-19 03:07:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:07:25,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 297 states and 351 transitions. [2023-11-19 03:07:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 351 transitions. [2023-11-19 03:07:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:26,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 307 states and 364 transitions. [2023-11-19 03:07:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 364 transitions. [2023-11-19 03:07:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:31,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 309 states and 365 transitions. [2023-11-19 03:07:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 365 transitions. [2023-11-19 03:07:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:31,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 312 states and 369 transitions. [2023-11-19 03:07:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 369 transitions. [2023-11-19 03:07:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:32,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:32,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 310 states and 366 transitions. [2023-11-19 03:07:32,920 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 366 transitions. [2023-11-19 03:07:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:32,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:07:32,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:32,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 309 states and 362 transitions. [2023-11-19 03:07:32,978 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 362 transitions. [2023-11-19 03:07:32,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:32,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:32,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 312 states and 366 transitions. [2023-11-19 03:07:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 366 transitions. [2023-11-19 03:07:33,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:33,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:33,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:35,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 318 states and 371 transitions. [2023-11-19 03:07:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 371 transitions. [2023-11-19 03:07:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:07:35,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 332 states and 391 transitions. [2023-11-19 03:07:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 391 transitions. [2023-11-19 03:07:43,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:07:43,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:43,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 346 states and 411 transitions. [2023-11-19 03:07:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 411 transitions. [2023-11-19 03:07:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:07:54,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 356 states and 423 transitions. [2023-11-19 03:07:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 423 transitions. [2023-11-19 03:07:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:07:58,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:58,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:07:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:59,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 354 states and 420 transitions. [2023-11-19 03:07:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 420 transitions. [2023-11-19 03:07:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:07:59,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:59,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.