./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --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 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:38:43,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:38:43,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:38:43,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:38:43,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:38:43,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:38:43,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:38:43,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:38:43,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:38:43,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:38:43,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:38:44,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:38:44,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:38:44,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:38:44,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:38:44,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:38:44,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:38:44,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:38:44,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:38:44,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:38:44,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:38:44,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:38:44,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:38:44,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:38:44,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:38:44,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:38:44,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:38:44,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:38:44,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:38:44,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:38:44,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:38:44,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:38:44,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:38:44,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:38:44,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:38:44,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:38:44,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:38:44,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:38:44,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:38:44,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:38:44,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:38:44,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:38:44,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:38:44,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:38:44,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:38:44,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:38:44,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:38:44,096 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:38:44,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:38:44,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:38:44,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:38:44,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:38:44,097 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:38:44,097 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:38:44,097 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:38:44,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:38:44,098 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:38:44,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:38:44,099 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:38:44,099 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:38:44,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:38:44,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:44,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:38:44,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:38:44,100 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:38:44,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:38:44,101 INFO L138 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_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4659b27a54f579598b48dab11e67b47aff28d030592fa757cae575afffc3b5 [2021-11-23 01:38:44,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:38:44,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:38:44,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:38:44,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:38:44,521 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:38:44,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2021-11-23 01:38:44,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/data/3f928923a/328f9492c33f4c27877b1a5c7a18e0f6/FLAG79e33a535 [2021-11-23 01:38:45,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:38:45,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i [2021-11-23 01:38:45,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/data/3f928923a/328f9492c33f4c27877b1a5c7a18e0f6/FLAG79e33a535 [2021-11-23 01:38:45,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/data/3f928923a/328f9492c33f4c27877b1a5c7a18e0f6 [2021-11-23 01:38:45,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:38:45,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:38:45,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:45,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:38:45,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:38:45,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:45" (1/1) ... [2021-11-23 01:38:45,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3521e363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:45, skipping insertion in model container [2021-11-23 01:38:45,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:45" (1/1) ... [2021-11-23 01:38:45,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:38:45,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:38:46,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2021-11-23 01:38:46,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:46,153 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:38:46,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-1.i[24132,24145] [2021-11-23 01:38:46,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:46,267 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:38:46,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46 WrapperNode [2021-11-23 01:38:46,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:46,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:46,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:38:46,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:38:46,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,327 INFO L137 Inliner]: procedures = 122, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2021-11-23 01:38:46,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:46,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:38:46,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:38:46,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:38:46,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:38:46,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:38:46,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:38:46,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:38:46,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:46" (1/1) ... [2021-11-23 01:38:46,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:46,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:38:46,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:38:46,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0d7a6f-e622-4757-9a0e-05f9692f2485/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:38:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:38:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:38:46,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:38:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:38:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:38:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:38:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:38:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:38:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:38:46,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:38:46,643 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:38:46,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:38:47,064 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:38:47,122 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:38:47,122 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:38:47,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:47 BoogieIcfgContainer [2021-11-23 01:38:47,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:38:47,127 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:38:47,127 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:38:47,146 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:38:47,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:38:47" (1/1) ... [2021-11-23 01:38:47,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:38:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2021-11-23 01:38:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2021-11-23 01:38:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:38:47,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:47,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2021-11-23 01:38:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2021-11-23 01:38:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:38:47,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:47,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2021-11-23 01:38:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-11-23 01:38:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:38:47,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:47,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2021-11-23 01:38:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2021-11-23 01:38:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:38:48,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2021-11-23 01:38:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2021-11-23 01:38:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:38:48,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 58 states and 69 transitions. [2021-11-23 01:38:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2021-11-23 01:38:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:38:48,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 72 transitions. [2021-11-23 01:38:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2021-11-23 01:38:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:38:48,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 59 states and 71 transitions. [2021-11-23 01:38:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2021-11-23 01:38:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:38:48,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:48,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2021-11-23 01:38:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2021-11-23 01:38:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:38:48,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:48,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2021-11-23 01:38:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2021-11-23 01:38:49,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:38:49,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:49,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2021-11-23 01:38:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2021-11-23 01:38:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:38:49,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:49,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:49,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2021-11-23 01:38:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2021-11-23 01:38:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:38:49,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:49,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:49,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2021-11-23 01:38:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2021-11-23 01:38:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:38:49,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:49,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2021-11-23 01:38:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2021-11-23 01:38:50,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:38:50,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2021-11-23 01:38:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2021-11-23 01:38:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:38:50,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2021-11-23 01:38:50,871 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2021-11-23 01:38:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:38:50,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:51,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-23 01:38:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-23 01:38:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:38:51,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:51,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2021-11-23 01:38:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-11-23 01:38:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:38:51,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:51,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2021-11-23 01:38:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2021-11-23 01:38:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:38:52,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:52,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2021-11-23 01:38:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2021-11-23 01:38:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:38:52,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:52,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2021-11-23 01:38:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2021-11-23 01:38:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:38:52,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:52,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2021-11-23 01:38:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2021-11-23 01:38:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:38:52,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:52,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 78 states and 107 transitions. [2021-11-23 01:38:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2021-11-23 01:38:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:38:53,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:53,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:53,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2021-11-23 01:38:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2021-11-23 01:38:53,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:38:53,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:53,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 80 states and 107 transitions. [2021-11-23 01:38:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2021-11-23 01:38:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:38:54,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:54,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 81 states and 107 transitions. [2021-11-23 01:38:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2021-11-23 01:38:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:54,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:54,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:38:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:57,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 97 states and 141 transitions. [2021-11-23 01:38:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions. [2021-11-23 01:38:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:58,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:58,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:38:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 106 states and 151 transitions. [2021-11-23 01:38:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2021-11-23 01:38:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:38:59,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:59,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:39:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 109 states and 155 transitions. [2021-11-23 01:39:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 155 transitions. [2021-11-23 01:39:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:39:00,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:00,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2021-11-23 01:39:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2021-11-23 01:39:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:01,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:01,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:39:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 67 states and 82 transitions. [2021-11-23 01:39:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2021-11-23 01:39:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:03,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:03,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:39:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 81 transitions. [2021-11-23 01:39:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2021-11-23 01:39:03,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:39:03,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:03,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:39:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2021-11-23 01:39:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2021-11-23 01:39:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:39:11,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:11,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:39:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2021-11-23 01:39:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2021-11-23 01:39:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:39:11,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:11,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:39:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2021-11-23 01:39:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2021-11-23 01:39:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:39:12,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:12,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:39:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2021-11-23 01:39:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2021-11-23 01:39:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:39:12,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:12,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:39:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2021-11-23 01:39:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2021-11-23 01:39:13,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:39:13,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:13,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:39:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2021-11-23 01:39:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-11-23 01:39:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:39:23,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:23,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:25,345 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:39:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2021-11-23 01:39:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2021-11-23 01:39:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:39:34,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:34,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:39:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:39,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 108 transitions. [2021-11-23 01:39:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2021-11-23 01:39:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:39:39,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:39,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:39:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:40,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 87 states and 114 transitions. [2021-11-23 01:39:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 114 transitions. [2021-11-23 01:39:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:39:40,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:40,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:39:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 88 states and 116 transitions. [2021-11-23 01:39:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 116 transitions. [2021-11-23 01:39:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:39:55,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:55,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:40:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2021-11-23 01:40:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2021-11-23 01:40:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:07,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:07,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 95 states and 127 transitions. [2021-11-23 01:40:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions. [2021-11-23 01:40:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:37,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:37,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:40:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 99 states and 131 transitions. [2021-11-23 01:40:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2021-11-23 01:40:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:42,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:42,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:41:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 105 states and 139 transitions. [2021-11-23 01:41:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2021-11-23 01:41:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:41:18,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:18,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:41:27,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:27,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 110 states and 149 transitions. [2021-11-23 01:41:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 149 transitions. [2021-11-23 01:41:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:41:27,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:27,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2021-11-23 01:42:13,912 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2021-11-23 01:42:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:42:13,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:13,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:20,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 118 states and 162 transitions. [2021-11-23 01:42:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2021-11-23 01:42:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:42:20,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:20,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:42:54,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:42:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 122 states and 168 transitions. [2021-11-23 01:42:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2021-11-23 01:42:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:42:54,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:42:54,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:42:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 130 states and 184 transitions. [2021-11-23 01:44:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 184 transitions. [2021-11-23 01:44:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:44:04,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:04,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:19,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 138 states and 193 transitions. [2021-11-23 01:44:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 193 transitions. [2021-11-23 01:44:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:44:19,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:19,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 143 states and 201 transitions. [2021-11-23 01:45:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 201 transitions. [2021-11-23 01:45:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:45:36,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:36,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:45:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 144 states and 203 transitions. [2021-11-23 01:45:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 203 transitions. [2021-11-23 01:45:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:45:39,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:39,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:45:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 149 states and 214 transitions. [2021-11-23 01:45:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 214 transitions. [2021-11-23 01:45:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:45:53,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:53,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 154 states and 222 transitions. [2021-11-23 01:47:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 222 transitions. [2021-11-23 01:47:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:30,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 159 states and 229 transitions. [2021-11-23 01:48:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 229 transitions. [2021-11-23 01:48:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:48:45,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:45,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.