./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi --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 f16abfb9414c800857d4408825bd4c744ca4242c7d6097a532b1f92823e8bbae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:17,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:18,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-24 22:53:18,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:18,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:18,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:18,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:18,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:18,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:18,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:18,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:18,097 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:18,098 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:18,099 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:53:18,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:18,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:18,101 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:18,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:18,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:18,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:18,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:18,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:18,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:18,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:18,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:18,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:18,106 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_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16abfb9414c800857d4408825bd4c744ca4242c7d6097a532b1f92823e8bbae [2023-11-24 22:53:18,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:18,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:18,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:18,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:18,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:18,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2023-11-24 22:53:21,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:22,156 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:22,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/sv-benchmarks/c/busybox-1.22.0/who-2.i [2023-11-24 22:53:22,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/data/1d8a55c45/27a07dcd0c5f4c3b81fc57b2b55b6650/FLAG29ed0d0cc [2023-11-24 22:53:22,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/data/1d8a55c45/27a07dcd0c5f4c3b81fc57b2b55b6650 [2023-11-24 22:53:22,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:22,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:22,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:22,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:22,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:22,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfc23e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:22, skipping insertion in model container [2023-11-24 22:53:22,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:22" (1/1) ... [2023-11-24 22:53:22,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:53:24,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:24,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:53:24,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:53:24,570 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,570 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,570 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,571 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,571 WARN L675 CHandler]: The function ctime is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,571 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,571 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:53:24,580 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:53:24,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24 WrapperNode [2023-11-24 22:53:24,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:24,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:24,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:53:24,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:53:24,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,831 INFO L138 Inliner]: procedures = 639, calls = 391, calls flagged for inlining = 54, calls inlined = 111, statements flattened = 3353 [2023-11-24 22:53:24,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:53:24,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:53:24,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:53:24,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:53:24,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:24,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:25,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:25,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:25,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:25,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:25,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:53:25,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:53:25,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:53:25,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:53:25,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:24" (1/1) ... [2023-11-24 22:53:25,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:25,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:53:25,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:53:25,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a6323c5-0020-4b77-9742-3e7ab550498e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:53:25,170 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-24 22:53:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2023-11-24 22:53:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 22:53:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:53:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 22:53:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:53:25,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:53:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:53:25,172 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-24 22:53:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:53:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:53:25,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:53:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:53:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:53:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-24 22:53:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:53:25,175 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-24 22:53:25,713 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:53:25,716 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:53:30,354 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:53:31,421 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:53:31,422 INFO L309 CfgBuilder]: Removed 67 assume(true) statements. [2023-11-24 22:53:31,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:31 BoogieIcfgContainer [2023-11-24 22:53:31,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:53:31,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:53:31,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:53:31,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:53:31,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:53:31" (1/1) ... [2023-11-24 22:53:31,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:53:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:31,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1852 states and 2142 transitions. [2023-11-24 22:53:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2142 transitions. [2023-11-24 22:53:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:53:31,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:31,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1851 states and 2141 transitions. [2023-11-24 22:53:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2141 transitions. [2023-11-24 22:53:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 22:53:32,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1850 states and 2140 transitions. [2023-11-24 22:53:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2140 transitions. [2023-11-24 22:53:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:32,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1851 states and 2142 transitions. [2023-11-24 22:53:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2142 transitions. [2023-11-24 22:53:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:32,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:33,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1852 states and 2144 transitions. [2023-11-24 22:53:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2144 transitions. [2023-11-24 22:53:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:53:33,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:33,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:33,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1854 states and 2146 transitions. [2023-11-24 22:53:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2146 transitions. [2023-11-24 22:53:33,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:33,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:33,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:33,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1855 states and 2149 transitions. [2023-11-24 22:53:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2149 transitions. [2023-11-24 22:53:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:33,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:53:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1855 states and 2148 transitions. [2023-11-24 22:53:34,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2148 transitions. [2023-11-24 22:53:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:53:34,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:34,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1857 states and 2151 transitions. [2023-11-24 22:53:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2151 transitions. [2023-11-24 22:53:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:35,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:35,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1859 states and 2156 transitions. [2023-11-24 22:53:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2156 transitions. [2023-11-24 22:53:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:35,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:53:35,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1859 states and 2155 transitions. [2023-11-24 22:53:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2155 transitions. [2023-11-24 22:53:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:53:35,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:35,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:36,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1860 states and 2155 transitions. [2023-11-24 22:53:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2155 transitions. [2023-11-24 22:53:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:53:36,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:36,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:36,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1862 states and 2160 transitions. [2023-11-24 22:53:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2160 transitions. [2023-11-24 22:53:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:53:36,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:36,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:53:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1862 states and 2159 transitions. [2023-11-24 22:53:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2159 transitions. [2023-11-24 22:53:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:53:37,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1863 states and 2159 transitions. [2023-11-24 22:53:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2159 transitions. [2023-11-24 22:53:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:37,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1865 states and 2164 transitions. [2023-11-24 22:53:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2164 transitions. [2023-11-24 22:53:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:38,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:53:38,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1865 states and 2163 transitions. [2023-11-24 22:53:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2163 transitions. [2023-11-24 22:53:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:53:38,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:38,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1866 states and 2163 transitions. [2023-11-24 22:53:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2163 transitions. [2023-11-24 22:53:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:39,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:39,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:40,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1868 states and 2168 transitions. [2023-11-24 22:53:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2168 transitions. [2023-11-24 22:53:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:40,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 22:53:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1868 states and 2167 transitions. [2023-11-24 22:53:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2167 transitions. [2023-11-24 22:53:40,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:53:40,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1869 states and 2167 transitions. [2023-11-24 22:53:41,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2167 transitions. [2023-11-24 22:53:41,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:41,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1871 states and 2172 transitions. [2023-11-24 22:53:41,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2172 transitions. [2023-11-24 22:53:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:41,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:53:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1871 states and 2171 transitions. [2023-11-24 22:53:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2171 transitions. [2023-11-24 22:53:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:53:42,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:42,806 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1872 states and 2171 transitions. [2023-11-24 22:53:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2171 transitions. [2023-11-24 22:53:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:43,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:43,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1874 states and 2176 transitions. [2023-11-24 22:53:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2176 transitions. [2023-11-24 22:53:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:43,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:43,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-24 22:53:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1874 states and 2175 transitions. [2023-11-24 22:53:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2175 transitions. [2023-11-24 22:53:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:53:44,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:45,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1875 states and 2175 transitions. [2023-11-24 22:53:45,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2175 transitions. [2023-11-24 22:53:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:45,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1877 states and 2180 transitions. [2023-11-24 22:53:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2180 transitions. [2023-11-24 22:53:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:46,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:46,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-24 22:53:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1877 states and 2179 transitions. [2023-11-24 22:53:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2179 transitions. [2023-11-24 22:53:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:53:46,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:46,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1878 states and 2179 transitions. [2023-11-24 22:53:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2179 transitions. [2023-11-24 22:53:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:53:47,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:47,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:47,846 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:48,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1880 states and 2181 transitions. [2023-11-24 22:53:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2181 transitions. [2023-11-24 22:53:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:53:48,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-24 22:53:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1878 states and 2178 transitions. [2023-11-24 22:53:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2178 transitions. [2023-11-24 22:53:48,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:53:48,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:48,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1867 states and 2156 transitions. [2023-11-24 22:53:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2156 transitions. [2023-11-24 22:53:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:53:49,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:49,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:53:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1866 states and 2155 transitions. [2023-11-24 22:53:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2155 transitions. [2023-11-24 22:53:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:53:54,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:54,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:54:01,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1865 states and 2154 transitions. [2023-11-24 22:54:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2154 transitions. [2023-11-24 22:54:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:01,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:01,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:54:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1864 states and 2153 transitions. [2023-11-24 22:54:02,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2153 transitions. [2023-11-24 22:54:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:02,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-24 22:54:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1863 states and 2152 transitions. [2023-11-24 22:54:04,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2152 transitions. [2023-11-24 22:54:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:04,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:04,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.