./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.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_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/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_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/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_a334f855-b195-4176-964f-3d5b9f0ebb52/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 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:48,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:48,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:48,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:48,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:48,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:48,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:48,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:48,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:48,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:48,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:48,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:48,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:48,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:48,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:48,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:48,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:48,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:48,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:48,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:48,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:48,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:48,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:48,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:48,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:48,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:48,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:48,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:48,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:48,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:48,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:48,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:48,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:48,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:48,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:48,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:48,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:48,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:48,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:48,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:48,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:48,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:31:48,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:48,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:48,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:48,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:48,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:48,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:48,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:31:48,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:48,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:48,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:48,680 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:31:48,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:31:48,681 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:31:48,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:48,682 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:48,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:48,683 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:48,684 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:48,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:48,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:48,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:48,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:48,686 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:48,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:48,686 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_a334f855-b195-4176-964f-3d5b9f0ebb52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2021-11-23 00:31:49,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:49,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:49,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:49,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:49,080 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:49,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2021-11-23 00:31:49,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/data/59f457acb/deabb492f1c14ed1add99aebc8d4b942/FLAG599d84048 [2021-11-23 00:31:49,927 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:49,928 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2021-11-23 00:31:49,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/data/59f457acb/deabb492f1c14ed1add99aebc8d4b942/FLAG599d84048 [2021-11-23 00:31:50,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/data/59f457acb/deabb492f1c14ed1add99aebc8d4b942 [2021-11-23 00:31:50,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:50,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:50,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:50,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:50,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:50,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:50,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467cca87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50, skipping insertion in model container [2021-11-23 00:31:50,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:50,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:50,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:50,804 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_a334f855-b195-4176-964f-3d5b9f0ebb52/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2021-11-23 00:31:50,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:50,831 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:50,921 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_a334f855-b195-4176-964f-3d5b9f0ebb52/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2021-11-23 00:31:50,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:50,968 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:50,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50 WrapperNode [2021-11-23 00:31:50,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:50,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:50,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:50,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:50,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,068 INFO L137 Inliner]: procedures = 122, calls = 27, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2021-11-23 00:31:51,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:51,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:51,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:51,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:51,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:51,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:51,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:51,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:51,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:50" (1/1) ... [2021-11-23 00:31:51,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:51,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:51,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:51,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a334f855-b195-4176-964f-3d5b9f0ebb52/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:31:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:31:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:31:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:31:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:31:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:31:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:51,370 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:51,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:51,776 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:51,822 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:51,822 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:31:51,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:51 BoogieIcfgContainer [2021-11-23 00:31:51,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:31:51,834 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:31:51,834 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:31:51,845 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:31:51,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:51" (1/1) ... [2021-11-23 00:31:51,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:31:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-23 00:31:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-23 00:31:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:31:51,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:51,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,133 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 00:31:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-23 00:31:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-23 00:31:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:31:52,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,317 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 00:31:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-23 00:31:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-23 00:31:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:31:52,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,532 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 00:31:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-11-23 00:31:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-11-23 00:31:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:31:52,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,664 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 00:31:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-23 00:31:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-23 00:31:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:31:52,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,751 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 00:31:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-23 00:31:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-23 00:31:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:31:52,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:52,900 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 00:31:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-23 00:31:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-23 00:31:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:31:53,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,114 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 00:31:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2021-11-23 00:31:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2021-11-23 00:31:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:31:53,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,499 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 00:31:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-23 00:31:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-23 00:31:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:31:53,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,611 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 00:31:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2021-11-23 00:31:53,779 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2021-11-23 00:31:53,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:31:53,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,808 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 00:31:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:53,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2021-11-23 00:31:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2021-11-23 00:31:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:31:53,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:53,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,913 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 00:31:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2021-11-23 00:31:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2021-11-23 00:31:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:31:54,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:54,245 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 00:31:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2021-11-23 00:31:54,747 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2021-11-23 00:31:54,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:31:54,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:54,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:54,827 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 00:31:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2021-11-23 00:31:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2021-11-23 00:31:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:55,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:55,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:55,808 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 00:31:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2021-11-23 00:31:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2021-11-23 00:31:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:56,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:56,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,023 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 00:31:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 81 states and 118 transitions. [2021-11-23 00:31:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2021-11-23 00:31:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:31:57,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:57,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2021-11-23 00:31:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2021-11-23 00:31:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:31:58,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:58,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 82 states and 122 transitions. [2021-11-23 00:31:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2021-11-23 00:31:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:31:58,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:58,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:58,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2021-11-23 00:31:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2021-11-23 00:31:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:31:59,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:59,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 84 states and 125 transitions. [2021-11-23 00:31:59,545 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2021-11-23 00:31:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:31:59,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:59,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2021-11-23 00:32:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2021-11-23 00:32:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:32:00,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:00,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions. [2021-11-23 00:32:01,925 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2021-11-23 00:32:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:01,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:01,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2021-11-23 00:32:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2021-11-23 00:32:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:02,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2021-11-23 00:32:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2021-11-23 00:32:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:03,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:03,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:03,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2021-11-23 00:32:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2021-11-23 00:32:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:03,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:03,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 148 transitions. [2021-11-23 00:32:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2021-11-23 00:32:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:04,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:04,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 154 transitions. [2021-11-23 00:32:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2021-11-23 00:32:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:32:04,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:04,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:04,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 98 states and 155 transitions. [2021-11-23 00:32:04,769 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2021-11-23 00:32:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:32:04,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:04,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 103 states and 161 transitions. [2021-11-23 00:32:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 161 transitions. [2021-11-23 00:32:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:32:06,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:06,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 108 states and 167 transitions. [2021-11-23 00:32:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 167 transitions. [2021-11-23 00:32:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:32:07,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:07,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:32:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 170 transitions. [2021-11-23 00:32:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 170 transitions. [2021-11-23 00:32:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:32:07,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:07,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:07,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:32:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 110 states and 171 transitions. [2021-11-23 00:32:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2021-11-23 00:32:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:32:08,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:08,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:32:09,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2021-11-23 00:32:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2021-11-23 00:32:09,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:32:09,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:09,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:32:10,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 110 transitions. [2021-11-23 00:32:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2021-11-23 00:32:10,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:32:10,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:10,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:32:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 111 states and 143 transitions. [2021-11-23 00:32:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 143 transitions. [2021-11-23 00:32:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:32:15,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:15,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:32:16,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2021-11-23 00:32:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2021-11-23 00:32:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:32:16,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:16,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:32:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 95 states and 116 transitions. [2021-11-23 00:32:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2021-11-23 00:32:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:32:18,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:18,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:32:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2021-11-23 00:32:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2021-11-23 00:32:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:32:19,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:19,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:32:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2021-11-23 00:32:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2021-11-23 00:32:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:32:19,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:19,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:32:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 98 states and 122 transitions. [2021-11-23 00:32:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2021-11-23 00:32:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:32:21,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:21,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:32:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:32,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 123 states and 158 transitions. [2021-11-23 00:32:32,348 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 158 transitions. [2021-11-23 00:32:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:32:32,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:32,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:32:33,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 122 states and 157 transitions. [2021-11-23 00:32:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 157 transitions. [2021-11-23 00:32:33,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:32:33,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:33,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:32:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 124 states and 160 transitions. [2021-11-23 00:32:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-11-23 00:32:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:35,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:35,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 73 states and 85 transitions. [2021-11-23 00:32:37,558 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2021-11-23 00:32:37,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:37,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:37,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:32:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2021-11-23 00:32:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2021-11-23 00:32:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:37,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:37,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:32:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2021-11-23 00:32:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2021-11-23 00:32:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:32:39,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:39,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:32:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 80 states and 99 transitions. [2021-11-23 00:32:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2021-11-23 00:32:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:32:51,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:51,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:33:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 85 states and 108 transitions. [2021-11-23 00:33:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2021-11-23 00:33:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:33:03,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:03,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:33:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 90 states and 116 transitions. [2021-11-23 00:33:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2021-11-23 00:33:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:33:07,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:07,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:33:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 123 transitions. [2021-11-23 00:33:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2021-11-23 00:33:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:33:12,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:12,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:13,665 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:33:15,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 97 states and 130 transitions. [2021-11-23 00:33:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2021-11-23 00:33:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:33:15,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:15,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:15,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:33:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 99 states and 136 transitions. [2021-11-23 00:33:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2021-11-23 00:33:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:33:16,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:16,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2021-11-23 00:33:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2021-11-23 00:33:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:33:42,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:42,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:33:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2021-11-23 00:33:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2021-11-23 00:33:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:33:52,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:52,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 114 states and 160 transitions. [2021-11-23 00:34:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2021-11-23 00:34:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:21,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:21,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 119 states and 173 transitions. [2021-11-23 00:34:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 173 transitions. [2021-11-23 00:34:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:34:27,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:27,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 124 states and 180 transitions. [2021-11-23 00:35:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2021-11-23 00:35:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:35:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 134 states and 194 transitions. [2021-11-23 00:36:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2021-11-23 00:36:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:36:09,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 144 states and 210 transitions. [2021-11-23 00:37:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2021-11-23 00:37:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:37:28,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:28,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 159 states and 234 transitions. [2021-11-23 00:39:12,510 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 234 transitions. [2021-11-23 00:39:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:39:12,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2021-11-23 00:41:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2021-11-23 00:41:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:41:04,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:04,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:42:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 183 states and 278 transitions. [2021-11-23 00:42:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 278 transitions. [2021-11-23 00:42:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:42:22,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:22,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:43:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 198 states and 312 transitions. [2021-11-23 00:43:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 312 transitions. [2021-11-23 00:43:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:43:44,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:44,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:44:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:01,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 203 states and 318 transitions. [2021-11-23 00:44:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 318 transitions. [2021-11-23 00:44:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:44:01,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:01,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.