./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/running_example.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/running_example.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:55:18,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:55:18,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:55:18,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:55:18,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:55:18,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:55:18,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:55:18,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:55:18,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:55:18,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:55:18,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:55:18,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:55:18,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:55:18,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:55:18,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:55:18,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:55:18,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:55:18,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:55:18,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:55:18,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:55:18,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:55:18,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:55:18,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:55:18,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:55:18,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:55:18,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:55:18,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:55:18,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:55:18,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:55:18,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:55:18,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:55:18,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:55:18,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:55:18,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:55:18,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:55:18,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:55:18,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:55:18,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:55:18,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:55:18,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:55:18,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:55:18,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:55:18,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:55:18,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:55:18,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:55:18,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:55:18,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:55:18,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:55:18,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:55:18,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:55:18,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:55:18,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:55:18,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:55:18,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:55:18,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:55:18,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:55:18,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:55:18,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:55:18,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:55:18,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:55:18,849 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:55:18,849 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:55:18,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:55:18,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:55:18,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:55:18,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:55:18,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:55:18,850 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:55:18,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:55:18,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:55:18,851 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_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f [2021-11-21 04:55:19,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:55:19,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:55:19,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:55:19,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:55:19,151 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:55:19,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/heap-data/running_example.i [2021-11-21 04:55:19,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/data/234f15c85/02bca48b35b642e7a2aaab195a9bdc67/FLAG30be5db42 [2021-11-21 04:55:19,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:55:19,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/sv-benchmarks/c/heap-data/running_example.i [2021-11-21 04:55:19,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/data/234f15c85/02bca48b35b642e7a2aaab195a9bdc67/FLAG30be5db42 [2021-11-21 04:55:20,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/data/234f15c85/02bca48b35b642e7a2aaab195a9bdc67 [2021-11-21 04:55:20,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:55:20,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:55:20,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:55:20,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:55:20,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:55:20,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746d777c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20, skipping insertion in model container [2021-11-21 04:55:20,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:55:20,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:55:20,418 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_25059208-01ed-43d4-9393-203cca9d9196/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2021-11-21 04:55:20,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:55:20,432 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:55:20,469 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_25059208-01ed-43d4-9393-203cca9d9196/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2021-11-21 04:55:20,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:55:20,515 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:55:20,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20 WrapperNode [2021-11-21 04:55:20,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:55:20,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:55:20,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:55:20,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:55:20,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,579 INFO L137 Inliner]: procedures = 121, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2021-11-21 04:55:20,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:55:20,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:55:20,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:55:20,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:55:20,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:55:20,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:55:20,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:55:20,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:55:20,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:55:20" (1/1) ... [2021-11-21 04:55:20,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:55:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:55:20,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:55:20,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25059208-01ed-43d4-9393-203cca9d9196/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:55:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:55:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:55:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:55:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:55:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:55:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:55:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:55:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:55:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:55:20,843 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:55:20,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:55:21,045 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:55:21,083 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:55:21,084 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:55:21,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:55:21 BoogieIcfgContainer [2021-11-21 04:55:21,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:55:21,087 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:55:21,087 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:55:21,098 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:55:21,098 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:55:21" (1/1) ... [2021-11-21 04:55:21,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:55:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-21 04:55:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-21 04:55:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:55:21,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-21 04:55:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-21 04:55:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:55:21,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:21,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-21 04:55:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-21 04:55:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:55:21,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:21,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2021-11-21 04:55:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2021-11-21 04:55:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:55:21,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:21,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2021-11-21 04:55:23,001 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2021-11-21 04:55:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:55:23,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:23,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:55:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2021-11-21 04:55:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2021-11-21 04:55:23,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:55:23,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:23,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:23,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:23,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:23,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2021-11-21 04:55:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2021-11-21 04:55:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:55:23,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:23,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2021-11-21 04:55:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2021-11-21 04:55:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:55:25,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:25,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 42 states and 93 transitions. [2021-11-21 04:55:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 93 transitions. [2021-11-21 04:55:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:55:25,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:25,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:55:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 93 transitions. [2021-11-21 04:55:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 93 transitions. [2021-11-21 04:55:25,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:55:25,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:25,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:26,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 94 transitions. [2021-11-21 04:55:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 94 transitions. [2021-11-21 04:55:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:55:26,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:26,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:55:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:26,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 95 transitions. [2021-11-21 04:55:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 95 transitions. [2021-11-21 04:55:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:55:26,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:26,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 120 transitions. [2021-11-21 04:55:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 120 transitions. [2021-11-21 04:55:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:55:29,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:29,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:32,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 141 transitions. [2021-11-21 04:55:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 141 transitions. [2021-11-21 04:55:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:55:32,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:32,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 62 states and 144 transitions. [2021-11-21 04:55:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 144 transitions. [2021-11-21 04:55:33,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:55:33,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:33,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 66 states and 161 transitions. [2021-11-21 04:55:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 161 transitions. [2021-11-21 04:55:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:55:34,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:34,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 04:55:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 67 states and 161 transitions. [2021-11-21 04:55:34,712 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 161 transitions. [2021-11-21 04:55:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:34,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:34,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 73 states and 178 transitions. [2021-11-21 04:55:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 178 transitions. [2021-11-21 04:55:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:36,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:36,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 74 states and 183 transitions. [2021-11-21 04:55:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 183 transitions. [2021-11-21 04:55:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:37,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:37,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 83 states and 211 transitions. [2021-11-21 04:55:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 211 transitions. [2021-11-21 04:55:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:42,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:42,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:42,326 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 84 states and 214 transitions. [2021-11-21 04:55:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 214 transitions. [2021-11-21 04:55:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 04:55:42,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:42,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:55:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:44,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 85 states and 217 transitions. [2021-11-21 04:55:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 217 transitions. [2021-11-21 04:55:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:55:44,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:44,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:55:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 86 states and 218 transitions. [2021-11-21 04:55:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 218 transitions. [2021-11-21 04:55:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:55:44,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:44,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 91 states and 237 transitions. [2021-11-21 04:55:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 237 transitions. [2021-11-21 04:55:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:55:47,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:47,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:55:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 93 states and 240 transitions. [2021-11-21 04:55:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 240 transitions. [2021-11-21 04:55:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:55:48,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:48,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 99 states and 251 transitions. [2021-11-21 04:55:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 251 transitions. [2021-11-21 04:55:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:55:52,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:52,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 102 states and 255 transitions. [2021-11-21 04:55:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 255 transitions. [2021-11-21 04:55:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:55:54,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:54,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:56,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 105 states and 261 transitions. [2021-11-21 04:55:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 261 transitions. [2021-11-21 04:55:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 04:55:56,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:56,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:55:56,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 106 states and 263 transitions. [2021-11-21 04:55:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 263 transitions. [2021-11-21 04:55:56,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:55:56,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:56,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 108 states and 271 transitions. [2021-11-21 04:55:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2021-11-21 04:55:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:55:58,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:58,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:55:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:55:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 109 states and 275 transitions. [2021-11-21 04:55:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 275 transitions. [2021-11-21 04:55:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 04:55:59,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:55:59,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:55:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:55:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:56:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 110 states and 279 transitions. [2021-11-21 04:56:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 279 transitions. [2021-11-21 04:56:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:56:00,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:00,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 122 states and 329 transitions. [2021-11-21 04:56:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 329 transitions. [2021-11-21 04:56:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:56:10,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:10,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 123 states and 333 transitions. [2021-11-21 04:56:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 333 transitions. [2021-11-21 04:56:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:56:11,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:11,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 124 states and 336 transitions. [2021-11-21 04:56:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 336 transitions. [2021-11-21 04:56:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 04:56:13,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:13,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:56:14,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 126 states and 339 transitions. [2021-11-21 04:56:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 339 transitions. [2021-11-21 04:56:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:14,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:14,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 131 states and 360 transitions. [2021-11-21 04:56:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 360 transitions. [2021-11-21 04:56:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:17,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:17,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 132 states and 364 transitions. [2021-11-21 04:56:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 364 transitions. [2021-11-21 04:56:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:18,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:18,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:21,599 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 140 states and 431 transitions. [2021-11-21 04:56:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 431 transitions. [2021-11-21 04:56:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:31,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:31,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:33,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 143 states and 440 transitions. [2021-11-21 04:56:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 440 transitions. [2021-11-21 04:56:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:33,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:33,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 146 states and 450 transitions. [2021-11-21 04:56:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 450 transitions. [2021-11-21 04:56:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:36,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:36,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:37,162 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 147 states and 455 transitions. [2021-11-21 04:56:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 455 transitions. [2021-11-21 04:56:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:37,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:37,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 151 states and 475 transitions. [2021-11-21 04:56:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 475 transitions. [2021-11-21 04:56:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 04:56:41,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:41,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:56:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 154 states and 481 transitions. [2021-11-21 04:56:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 481 transitions. [2021-11-21 04:56:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:56:43,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:43,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:56:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 155 states and 483 transitions. [2021-11-21 04:56:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 483 transitions. [2021-11-21 04:56:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:56:44,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:44,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:56:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 157 states and 486 transitions. [2021-11-21 04:56:45,645 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 486 transitions. [2021-11-21 04:56:45,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:56:45,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:45,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 04:56:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:56:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 162 states and 526 transitions. [2021-11-21 04:56:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 526 transitions. [2021-11-21 04:56:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:56:53,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:56:53,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:56:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:56:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:06,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 172 states and 560 transitions. [2021-11-21 04:57:06,093 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 560 transitions. [2021-11-21 04:57:06,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:57:06,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:06,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:57:26,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 185 states and 627 transitions. [2021-11-21 04:57:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 627 transitions. [2021-11-21 04:57:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:57:26,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:26,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:57:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 186 states and 635 transitions. [2021-11-21 04:57:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 635 transitions. [2021-11-21 04:57:28,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 04:57:28,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:28,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 187 states and 642 transitions. [2021-11-21 04:57:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 642 transitions. [2021-11-21 04:57:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:29,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:29,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:32,164 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:35,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 189 states and 651 transitions. [2021-11-21 04:57:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 651 transitions. [2021-11-21 04:57:35,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:35,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:35,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 190 states and 656 transitions. [2021-11-21 04:57:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 656 transitions. [2021-11-21 04:57:36,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:36,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:36,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 195 states and 677 transitions. [2021-11-21 04:57:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 677 transitions. [2021-11-21 04:57:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:47,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:47,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 198 states and 682 transitions. [2021-11-21 04:57:51,377 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 682 transitions. [2021-11-21 04:57:51,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:51,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:51,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 199 states and 687 transitions. [2021-11-21 04:57:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 687 transitions. [2021-11-21 04:57:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:53,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:53,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:57:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:57:58,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 204 states and 717 transitions. [2021-11-21 04:57:58,090 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 717 transitions. [2021-11-21 04:57:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:57:58,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:57:58,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:57:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:57:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:58:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 206 states and 720 transitions. [2021-11-21 04:58:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 720 transitions. [2021-11-21 04:58:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:01,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:01,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:58:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 209 states and 729 transitions. [2021-11-21 04:58:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 729 transitions. [2021-11-21 04:58:03,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:58:03,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:03,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:58:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:58:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:58:05,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 212 states and 737 transitions. [2021-11-21 04:58:05,740 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 737 transitions. [2021-11-21 04:58:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 04:58:05,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:58:05,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:58:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat