./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/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_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/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 64bit --witnessprinter.graph.data.programhash f5c3252c23e9c49e7b3cce6858e3c801f843203fda4604e23c25c5a714e6a2c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:45,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:45,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:15:45,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:45,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:45,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:45,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:45,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:45,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:45,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:45,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:45,303 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:15:45,304 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:15:45,305 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:15:45,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:45,306 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:45,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:45,307 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:45,307 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:45,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:45,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:45,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:45,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:45,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:45,311 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:45,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:45,312 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_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5c3252c23e9c49e7b3cce6858e3c801f843203fda4604e23c25c5a714e6a2c0 [2023-11-19 03:15:45,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:45,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:45,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:45,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:45,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:45,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-11-19 03:15:48,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:49,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:49,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2023-11-19 03:15:49,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/data/b9c2bcf21/336a638322544728abcf8eb15ffac541/FLAGc819c578b [2023-11-19 03:15:49,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/data/b9c2bcf21/336a638322544728abcf8eb15ffac541 [2023-11-19 03:15:49,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:49,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:49,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:49,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:49,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:49,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:49" (1/1) ... [2023-11-19 03:15:49,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb9177f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:49, skipping insertion in model container [2023-11-19 03:15:49,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:49" (1/1) ... [2023-11-19 03:15:49,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:50,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:50,284 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:50,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:50,688 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:50,689 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:50,697 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:50,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50 WrapperNode [2023-11-19 03:15:50,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:50,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:50,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:50,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:50,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,839 INFO L138 Inliner]: procedures = 574, calls = 148, calls flagged for inlining = 28, calls inlined = 24, statements flattened = 578 [2023-11-19 03:15:50,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:50,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:50,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:50,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:50,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:50,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:50,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:50,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:50,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:50" (1/1) ... [2023-11-19 03:15:50,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:50,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:50,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:50,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30afd2e9-24f4-4b3c-bc16-1c6aaf79ea02/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:15:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:15:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:15:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:15:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:15:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:15:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:15:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:15:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:15:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:15:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:15:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:51,409 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:51,411 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:52,308 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:52,454 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:52,454 INFO L302 CfgBuilder]: Removed 13 assume(true) statements. [2023-11-19 03:15:52,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:52 BoogieIcfgContainer [2023-11-19 03:15:52,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:52,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:52,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:52,473 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:52,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:52" (1/1) ... [2023-11-19 03:15:52,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 327 states and 366 transitions. [2023-11-19 03:15:52,557 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 366 transitions. [2023-11-19 03:15:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:15:52,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:52,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,046 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 03:15:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 326 states and 365 transitions. [2023-11-19 03:15:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 365 transitions. [2023-11-19 03:15:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:15:53,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,299 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 03:15:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 325 states and 364 transitions. [2023-11-19 03:15:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 364 transitions. [2023-11-19 03:15:53,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:53,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,472 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 03:15:53,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 326 states and 366 transitions. [2023-11-19 03:15:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2023-11-19 03:15:53,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:53,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,564 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 03:15:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 327 states and 368 transitions. [2023-11-19 03:15:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 368 transitions. [2023-11-19 03:15:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:53,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,773 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 03:15:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 329 states and 370 transitions. [2023-11-19 03:15:54,059 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 370 transitions. [2023-11-19 03:15:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:15:54,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 330 states and 373 transitions. [2023-11-19 03:15:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 373 transitions. [2023-11-19 03:15:54,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:15:54,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,370 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 03:15:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 330 states and 372 transitions. [2023-11-19 03:15:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 372 transitions. [2023-11-19 03:15:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:15:54,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 332 states and 375 transitions. [2023-11-19 03:15:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 375 transitions. [2023-11-19 03:15:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:15:55,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 334 states and 380 transitions. [2023-11-19 03:15:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 380 transitions. [2023-11-19 03:15:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:15:55,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:15:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 334 states and 379 transitions. [2023-11-19 03:15:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 379 transitions. [2023-11-19 03:15:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:15:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 336 states and 383 transitions. [2023-11-19 03:15:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 383 transitions. [2023-11-19 03:15:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:56,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 338 states and 390 transitions. [2023-11-19 03:15:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 390 transitions. [2023-11-19 03:15:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:57,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:15:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 338 states and 389 transitions. [2023-11-19 03:15:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 389 transitions. [2023-11-19 03:15:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:57,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:58,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 340 states and 389 transitions. [2023-11-19 03:15:58,332 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 389 transitions. [2023-11-19 03:15:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:15:58,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 342 states and 396 transitions. [2023-11-19 03:15:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 396 transitions. [2023-11-19 03:15:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:15:58,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:15:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 342 states and 395 transitions. [2023-11-19 03:15:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 395 transitions. [2023-11-19 03:15:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:15:59,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 344 states and 398 transitions. [2023-11-19 03:16:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 398 transitions. [2023-11-19 03:16:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:00,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:00,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 345 states and 398 transitions. [2023-11-19 03:16:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 398 transitions. [2023-11-19 03:16:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:01,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:01,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:16:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 348 states and 410 transitions. [2023-11-19 03:16:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 410 transitions. [2023-11-19 03:16:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:04,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:04,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 350 states and 419 transitions. [2023-11-19 03:16:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 419 transitions. [2023-11-19 03:16:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:05,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:05,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:05,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 351 states and 420 transitions. [2023-11-19 03:16:05,973 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 420 transitions. [2023-11-19 03:16:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:05,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:05,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 351 states and 419 transitions. [2023-11-19 03:16:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 419 transitions. [2023-11-19 03:16:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:16:06,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:06,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 353 states and 428 transitions. [2023-11-19 03:16:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 428 transitions. [2023-11-19 03:16:07,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:16:07,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:07,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:16:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 353 states and 427 transitions. [2023-11-19 03:16:08,146 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 427 transitions. [2023-11-19 03:16:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:16:08,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 355 states and 432 transitions. [2023-11-19 03:16:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 432 transitions. [2023-11-19 03:16:09,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:09,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 357 states and 443 transitions. [2023-11-19 03:16:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 443 transitions. [2023-11-19 03:16:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:11,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 359 states and 455 transitions. [2023-11-19 03:16:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 455 transitions. [2023-11-19 03:16:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:12,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 361 states and 461 transitions. [2023-11-19 03:16:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 461 transitions. [2023-11-19 03:16:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:14,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 361 states and 460 transitions. [2023-11-19 03:16:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 460 transitions. [2023-11-19 03:16:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:14,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,054 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 361 states and 459 transitions. [2023-11-19 03:16:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 459 transitions. [2023-11-19 03:16:15,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:15,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 363 states and 462 transitions. [2023-11-19 03:16:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 462 transitions. [2023-11-19 03:16:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:16,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:16,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:17,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:17,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 364 states and 466 transitions. [2023-11-19 03:16:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 466 transitions. [2023-11-19 03:16:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:17,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:17,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 364 states and 465 transitions. [2023-11-19 03:16:18,402 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 465 transitions. [2023-11-19 03:16:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:18,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:19,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 365 states and 465 transitions. [2023-11-19 03:16:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 465 transitions. [2023-11-19 03:16:19,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:19,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 366 states and 465 transitions. [2023-11-19 03:16:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 465 transitions. [2023-11-19 03:16:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:19,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 368 states and 478 transitions. [2023-11-19 03:16:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 478 transitions. [2023-11-19 03:16:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:21,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:21,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:16:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 368 states and 477 transitions. [2023-11-19 03:16:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 477 transitions. [2023-11-19 03:16:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:21,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:24,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 371 states and 477 transitions. [2023-11-19 03:16:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 477 transitions. [2023-11-19 03:16:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:24,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:24,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 372 states and 477 transitions. [2023-11-19 03:16:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 477 transitions. [2023-11-19 03:16:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:25,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:25,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 374 states and 477 transitions. [2023-11-19 03:16:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 477 transitions. [2023-11-19 03:16:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:26,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 376 states and 483 transitions. [2023-11-19 03:16:28,276 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 483 transitions. [2023-11-19 03:16:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:28,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:28,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:16:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 376 states and 482 transitions. [2023-11-19 03:16:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 482 transitions. [2023-11-19 03:16:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:28,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:28,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 341 states and 379 transitions. [2023-11-19 03:16:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 379 transitions. [2023-11-19 03:16:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:16:30,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.