./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/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_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/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 32bit --witnessprinter.graph.data.programhash 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:47,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:47,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:16:47,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:47,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:47,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:47,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:47,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:47,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:47,947 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:47,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:47,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:47,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:47,951 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:47,952 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:47,952 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:16:47,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:47,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:47,954 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:47,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:47,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:47,955 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:47,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:47,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:47,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:47,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:47,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:47,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:47,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:47,962 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_39edb18a-bebd-4b92-960c-4ecea5042a14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f9453cad2383b5119b308e041fed5f4a740e7abd43cb8ad7833872af20a8d57 [2023-11-24 22:16:48,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:48,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:48,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:48,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:48,341 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:48,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2023-11-24 22:16:51,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:52,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:52,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/sv-benchmarks/c/heap-manipulation/sll_to_dll_rev-2.i [2023-11-24 22:16:52,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/data/3e9b2ed5f/aa8d4b395df2458fad9b5fdb9101583a/FLAGf320f0b98 [2023-11-24 22:16:52,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/data/3e9b2ed5f/aa8d4b395df2458fad9b5fdb9101583a [2023-11-24 22:16:52,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:52,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:52,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:52,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:52,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:52,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255fd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52, skipping insertion in model container [2023-11-24 22:16:52,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:52,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:52,607 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:52,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:52,753 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:52,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52 WrapperNode [2023-11-24 22:16:52,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:52,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:52,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:52,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:52,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,857 INFO L138 Inliner]: procedures = 129, calls = 80, calls flagged for inlining = 25, calls inlined = 58, statements flattened = 543 [2023-11-24 22:16:52,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:52,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:52,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:52,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:52,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:52,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:52,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:52,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:52,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:52,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:53,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:53,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39edb18a-bebd-4b92-960c-4ecea5042a14/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:16:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:16:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:16:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:53,262 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:53,265 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:54,356 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:54,513 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:54,514 INFO L309 CfgBuilder]: Removed 61 assume(true) statements. [2023-11-24 22:16:54,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:54 BoogieIcfgContainer [2023-11-24 22:16:54,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:54,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:54,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:54,526 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:54,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:54" (1/1) ... [2023-11-24 22:16:54,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 324 states and 424 transitions. [2023-11-24 22:16:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 424 transitions. [2023-11-24 22:16:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:16:54,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:54,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:54,936 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 22:16:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 323 states and 422 transitions. [2023-11-24 22:16:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 422 transitions. [2023-11-24 22:16:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:16:54,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:54,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,118 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 22:16:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 322 states and 421 transitions. [2023-11-24 22:16:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 421 transitions. [2023-11-24 22:16:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:55,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,281 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 22:16:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 321 states and 420 transitions. [2023-11-24 22:16:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 420 transitions. [2023-11-24 22:16:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:16:55,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,448 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 22:16:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 320 states and 419 transitions. [2023-11-24 22:16:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 419 transitions. [2023-11-24 22:16:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:16:55,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,789 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 22:16:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 324 states and 425 transitions. [2023-11-24 22:16:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 425 transitions. [2023-11-24 22:16:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:16:56,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,241 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 22:16:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 328 states and 430 transitions. [2023-11-24 22:16:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 430 transitions. [2023-11-24 22:16:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:56,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,778 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 22:16:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 329 states and 432 transitions. [2023-11-24 22:16:56,966 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 432 transitions. [2023-11-24 22:16:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:16:56,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,121 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 22:16:57,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 330 states and 434 transitions. [2023-11-24 22:16:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 434 transitions. [2023-11-24 22:16:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:57,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,581 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 22:16:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 331 states and 436 transitions. [2023-11-24 22:16:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 436 transitions. [2023-11-24 22:16:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:16:57,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,979 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 22:16:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 333 states and 440 transitions. [2023-11-24 22:16:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 440 transitions. [2023-11-24 22:16:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:58,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,715 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 22:16:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 337 states and 448 transitions. [2023-11-24 22:16:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2023-11-24 22:16:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:59,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,203 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 22:17:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2023-11-24 22:17:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2023-11-24 22:17:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:17:02,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,687 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 22:17:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 350 states and 474 transitions. [2023-11-24 22:17:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 474 transitions. [2023-11-24 22:17:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:17:05,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:05,636 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 22:17:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 359 states and 491 transitions. [2023-11-24 22:17:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 491 transitions. [2023-11-24 22:17:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:08,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,597 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 22:17:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 358 states and 489 transitions. [2023-11-24 22:17:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 489 transitions. [2023-11-24 22:17:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:08,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,854 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 22:17:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 357 states and 488 transitions. [2023-11-24 22:17:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 488 transitions. [2023-11-24 22:17:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:17:09,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 361 states and 494 transitions. [2023-11-24 22:17:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 494 transitions. [2023-11-24 22:17:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:10,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,984 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 22:17:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 360 states and 493 transitions. [2023-11-24 22:17:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 493 transitions. [2023-11-24 22:17:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:11,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,140 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 22:17:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 359 states and 492 transitions. [2023-11-24 22:17:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 492 transitions. [2023-11-24 22:17:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:11,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 359 states and 491 transitions. [2023-11-24 22:17:11,713 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 491 transitions. [2023-11-24 22:17:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:11,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:17:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 359 states and 490 transitions. [2023-11-24 22:17:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 490 transitions. [2023-11-24 22:17:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:12,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:12,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:12,558 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 22:17:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 363 states and 497 transitions. [2023-11-24 22:17:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 497 transitions. [2023-11-24 22:17:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:17:13,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,926 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 22:17:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 314 states and 415 transitions. [2023-11-24 22:17:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 415 transitions. [2023-11-24 22:17:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:16,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,410 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 22:17:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 315 states and 417 transitions. [2023-11-24 22:17:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 417 transitions. [2023-11-24 22:17:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:16,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,745 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 22:17:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 316 states and 419 transitions. [2023-11-24 22:17:17,805 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 419 transitions. [2023-11-24 22:17:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:17,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:17,869 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 22:17:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 317 states and 421 transitions. [2023-11-24 22:17:18,272 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 421 transitions. [2023-11-24 22:17:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:18,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:18,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,401 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 22:17:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 319 states and 425 transitions. [2023-11-24 22:17:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2023-11-24 22:17:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:18,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:19,012 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 22:17:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 323 states and 433 transitions. [2023-11-24 22:17:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 433 transitions. [2023-11-24 22:17:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:20,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:20,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:20,631 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 22:17:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 327 states and 442 transitions. [2023-11-24 22:17:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 442 transitions. [2023-11-24 22:17:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:22,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:22,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,944 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 22:17:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 345 states and 471 transitions. [2023-11-24 22:17:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 471 transitions. [2023-11-24 22:17:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:29,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:29,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:30,241 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 22:17:37,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 345 states and 478 transitions. [2023-11-24 22:17:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 478 transitions. [2023-11-24 22:17:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:17:37,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:37,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,062 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 22:17:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 344 states and 476 transitions. [2023-11-24 22:17:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 476 transitions. [2023-11-24 22:17:38,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:17:38,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,195 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 22:17:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 343 states and 475 transitions. [2023-11-24 22:17:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 475 transitions. [2023-11-24 22:17:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:17:38,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:17:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 346 states and 481 transitions. [2023-11-24 22:17:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 481 transitions. [2023-11-24 22:17:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:40,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:40,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:40,404 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 22:17:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:40,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 345 states and 480 transitions. [2023-11-24 22:17:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 480 transitions. [2023-11-24 22:17:40,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:17:40,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:40,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:40,542 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 22:17:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 344 states and 479 transitions. [2023-11-24 22:17:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 479 transitions. [2023-11-24 22:17:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:40,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:40,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:40,802 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 22:17:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 348 states and 486 transitions. [2023-11-24 22:17:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 486 transitions. [2023-11-24 22:17:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:41,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:41,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms