./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/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_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:44:10,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:44:10,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:44:10,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:44:10,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:44:10,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:44:10,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:44:10,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:44:10,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:44:10,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:44:10,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:44:10,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:44:10,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:44:10,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:44:10,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:44:10,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:44:10,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:44:10,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:44:10,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:44:10,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:44:10,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:44:10,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:44:10,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:44:10,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:44:10,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:44:10,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:44:10,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:44:10,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:44:10,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:44:10,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:44:10,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:44:10,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:44:10,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:44:10,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:44:10,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:44:10,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:44:10,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:44:10,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:44:10,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:44:10,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:44:10,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:44:10,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-21 05:44:11,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:44:11,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:44:11,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:44:11,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:44:11,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:44:11,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:44:11,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:44:11,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:44:11,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:44:11,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:44:11,014 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:44:11,014 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:44:11,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:44:11,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:44:11,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:44:11,016 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:44:11,016 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:44:11,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:44:11,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:44:11,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:44:11,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:44:11,018 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:44:11,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:44:11,019 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_96342184-6694-4527-a552-fe4340a4c694/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15d1d7d49ed223522c6431664b8ff836ebc81296f5e11773e2197361bd8b13cf [2021-11-21 05:44:11,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:44:11,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:44:11,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:44:11,266 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:44:11,267 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:44:11,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2021-11-21 05:44:11,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/data/bbadb429c/0964006f208f4150bf421876c63854b0/FLAG953c79e38 [2021-11-21 05:44:11,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:44:11,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/sv-benchmarks/c/heap-manipulation/merge_sort-1.i [2021-11-21 05:44:11,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/data/bbadb429c/0964006f208f4150bf421876c63854b0/FLAG953c79e38 [2021-11-21 05:44:12,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/data/bbadb429c/0964006f208f4150bf421876c63854b0 [2021-11-21 05:44:12,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:44:12,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:44:12,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:44:12,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:44:12,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:44:12,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b13257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12, skipping insertion in model container [2021-11-21 05:44:12,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:44:12,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:44:12,524 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_96342184-6694-4527-a552-fe4340a4c694/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2021-11-21 05:44:12,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:44:12,584 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:44:12,640 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_96342184-6694-4527-a552-fe4340a4c694/sv-benchmarks/c/heap-manipulation/merge_sort-1.i[22632,22645] [2021-11-21 05:44:12,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:44:12,714 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:44:12,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12 WrapperNode [2021-11-21 05:44:12,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:44:12,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:44:12,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:44:12,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:44:12,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,799 INFO L137 Inliner]: procedures = 125, calls = 83, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 359 [2021-11-21 05:44:12,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:44:12,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:44:12,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:44:12,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:44:12,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:44:12,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:44:12,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:44:12,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:44:12,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:12" (1/1) ... [2021-11-21 05:44:12,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:44:12,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:44:12,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:44:12,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:44:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:44:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:44:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:44:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:44:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:44:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:44:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:44:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:44:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:44:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:44:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:44:13,144 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:44:13,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:44:13,834 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:44:13,905 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:44:13,905 INFO L301 CfgBuilder]: Removed 33 assume(true) statements. [2021-11-21 05:44:13,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:44:13 BoogieIcfgContainer [2021-11-21 05:44:13,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:44:13,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:44:13,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:44:13,920 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:44:13,920 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:44:13" (1/1) ... [2021-11-21 05:44:13,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:44:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 257 states and 313 transitions. [2021-11-21 05:44:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 313 transitions. [2021-11-21 05:44:13,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:44:13,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:13,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,149 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 05:44:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2021-11-21 05:44:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2021-11-21 05:44:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:44:14,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,273 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 05:44:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 255 states and 310 transitions. [2021-11-21 05:44:14,345 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 310 transitions. [2021-11-21 05:44:14,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:44:14,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,404 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 05:44:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 259 states and 317 transitions. [2021-11-21 05:44:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 317 transitions. [2021-11-21 05:44:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:44:14,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,517 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 05:44:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 258 states and 316 transitions. [2021-11-21 05:44:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2021-11-21 05:44:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:44:14,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,592 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 05:44:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 257 states and 315 transitions. [2021-11-21 05:44:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 315 transitions. [2021-11-21 05:44:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:44:14,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,641 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 05:44:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2021-11-21 05:44:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2021-11-21 05:44:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:44:14,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,713 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 05:44:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 260 states and 315 transitions. [2021-11-21 05:44:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 315 transitions. [2021-11-21 05:44:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:44:14,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,869 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 05:44:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 259 states and 314 transitions. [2021-11-21 05:44:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 314 transitions. [2021-11-21 05:44:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 05:44:14,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:14,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:14,942 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 05:44:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 258 states and 313 transitions. [2021-11-21 05:44:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 313 transitions. [2021-11-21 05:44:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:44:15,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:15,102 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 05:44:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2021-11-21 05:44:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2021-11-21 05:44:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:44:15,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:15,171 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 05:44:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2021-11-21 05:44:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2021-11-21 05:44:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:44:15,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:15,271 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 05:44:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 256 states and 309 transitions. [2021-11-21 05:44:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 309 transitions. [2021-11-21 05:44:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:44:15,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:15,655 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 05:44:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 254 states and 307 transitions. [2021-11-21 05:44:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 307 transitions. [2021-11-21 05:44:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:44:15,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:15,996 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 05:44:16,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 257 states and 312 transitions. [2021-11-21 05:44:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 312 transitions. [2021-11-21 05:44:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:44:16,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:16,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:16,524 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 05:44:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 260 states and 317 transitions. [2021-11-21 05:44:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 317 transitions. [2021-11-21 05:44:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:44:17,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,213 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 05:44:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 258 states and 314 transitions. [2021-11-21 05:44:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2021-11-21 05:44:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:44:17,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,466 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 05:44:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 256 states and 311 transitions. [2021-11-21 05:44:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 311 transitions. [2021-11-21 05:44:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:44:17,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,655 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 05:44:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 256 states and 307 transitions. [2021-11-21 05:44:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 307 transitions. [2021-11-21 05:44:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:44:17,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,685 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 05:44:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 259 states and 312 transitions. [2021-11-21 05:44:17,788 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 312 transitions. [2021-11-21 05:44:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:44:17,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,806 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 05:44:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 259 states and 308 transitions. [2021-11-21 05:44:17,811 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 308 transitions. [2021-11-21 05:44:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:44:17,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,835 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 05:44:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 260 states and 308 transitions. [2021-11-21 05:44:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 308 transitions. [2021-11-21 05:44:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:44:17,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,864 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 05:44:17,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:17,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 262 states and 311 transitions. [2021-11-21 05:44:17,881 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 311 transitions. [2021-11-21 05:44:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:44:17,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:17,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:17,999 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 05:44:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 266 states and 317 transitions. [2021-11-21 05:44:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 317 transitions. [2021-11-21 05:44:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:44:18,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:18,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:18,550 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 05:44:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 268 states and 320 transitions. [2021-11-21 05:44:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 320 transitions. [2021-11-21 05:44:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:44:18,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:18,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:18,606 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 05:44:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 271 states and 323 transitions. [2021-11-21 05:44:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 323 transitions. [2021-11-21 05:44:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:44:18,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:18,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:18,828 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 05:44:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 272 states and 323 transitions. [2021-11-21 05:44:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 323 transitions. [2021-11-21 05:44:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:44:19,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:19,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:19,996 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 05:44:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 273 states and 323 transitions. [2021-11-21 05:44:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 323 transitions. [2021-11-21 05:44:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:44:20,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:20,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:20,129 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 05:44:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 272 states and 320 transitions. [2021-11-21 05:44:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 320 transitions. [2021-11-21 05:44:20,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:44:20,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:20,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:20,390 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 05:44:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 275 states and 323 transitions. [2021-11-21 05:44:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 323 transitions. [2021-11-21 05:44:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:44:20,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:20,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:20,661 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 05:44:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 274 states and 320 transitions. [2021-11-21 05:44:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 320 transitions. [2021-11-21 05:44:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:44:20,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:20,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:20,906 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 05:44:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 277 states and 323 transitions. [2021-11-21 05:44:21,227 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 323 transitions. [2021-11-21 05:44:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:44:21,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:21,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:21,629 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 05:44:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 288 states and 338 transitions. [2021-11-21 05:44:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 338 transitions. [2021-11-21 05:44:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:44:25,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:25,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:25,329 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 05:44:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 293 states and 342 transitions. [2021-11-21 05:44:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 342 transitions. [2021-11-21 05:44:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:44:27,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:27,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:27,045 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 05:44:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 295 states and 343 transitions. [2021-11-21 05:44:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 343 transitions. [2021-11-21 05:44:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:44:27,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:27,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:27,338 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 05:44:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 298 states and 347 transitions. [2021-11-21 05:44:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 347 transitions. [2021-11-21 05:44:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:44:27,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:27,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:27,697 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 05:44:28,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 300 states and 348 transitions. [2021-11-21 05:44:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 348 transitions. [2021-11-21 05:44:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 05:44:28,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:28,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:28,109 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 05:44:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 303 states and 352 transitions. [2021-11-21 05:44:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 352 transitions. [2021-11-21 05:44:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:44:28,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:28,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:29,016 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 05:44:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:34,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 317 states and 372 transitions. [2021-11-21 05:44:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 372 transitions. [2021-11-21 05:44:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:44:34,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:34,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:35,168 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 05:44:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 331 states and 392 transitions. [2021-11-21 05:44:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 392 transitions. [2021-11-21 05:44:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:44:42,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:42,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:43,101 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 05:44:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:45,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 341 states and 404 transitions. [2021-11-21 05:44:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 404 transitions. [2021-11-21 05:44:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:44:45,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:45,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:45,701 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 05:44:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 339 states and 401 transitions. [2021-11-21 05:44:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 401 transitions. [2021-11-21 05:44:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:44:46,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:46,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:46,501 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 05:44:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 337 states and 398 transitions. [2021-11-21 05:44:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 398 transitions. [2021-11-21 05:44:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:44:47,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:47,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:47,459 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 05:44:51,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 347 states and 410 transitions. [2021-11-21 05:44:51,002 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 410 transitions. [2021-11-21 05:44:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:44:51,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:51,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:44:51,014 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:44:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:44:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:44:51,085 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 05:44:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 05:44:51,149 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 44 iterations. [2021-11-21 05:44:51,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:44:51 ImpRootNode [2021-11-21 05:44:51,187 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:44:51,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:44:51,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:44:51,188 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:44:51,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:44:13" (3/4) ... [2021-11-21 05:44:51,191 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 05:44:51,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:44:51,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:44:51,297 INFO L158 Benchmark]: Toolchain (without parser) took 39129.56ms. Allocated memory was 111.1MB in the beginning and 343.9MB in the end (delta: 232.8MB). Free memory was 77.7MB in the beginning and 153.5MB in the end (delta: -75.8MB). Peak memory consumption was 156.1MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,298 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 111.1MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:44:51,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.56ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 76.5MB in the end (delta: 925.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.85ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 73.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,300 INFO L158 Benchmark]: Boogie Preprocessor took 46.32ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 70.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,301 INFO L158 Benchmark]: RCFGBuilder took 1061.76ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 70.7MB in the beginning and 87.2MB in the end (delta: -16.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,301 INFO L158 Benchmark]: CodeCheck took 37278.11ms. Allocated memory was 134.2MB in the beginning and 343.9MB in the end (delta: 209.7MB). Free memory was 86.6MB in the beginning and 156.6MB in the end (delta: -70.0MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,302 INFO L158 Benchmark]: Witness Printer took 108.14ms. Allocated memory is still 343.9MB. Free memory was 156.6MB in the beginning and 153.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:44:51,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 257 locations, 131 error locations. Started 1 CEGAR loops. OverallTime: 37.2s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6107 SdHoareTripleChecker+Valid, 16.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3694 mSDsluCounter, 5599 SdHoareTripleChecker+Invalid, 13.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4204 mSDsCounter, 3374 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10367 IncrementalHoareTripleChecker+Invalid, 13741 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3374 mSolverCounterUnsat, 1477 mSDtfsCounter, 10367 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5663 GetRequests, 5220 SyntacticMatches, 67 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51714 ImplicationChecksByTransitivity, 33.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 3490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 43 PerfectInterpolantSequences, 64/64 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 565]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L638] struct list *data = ((void *)0); VAL [data={0:0}] [L639] COND TRUE __VERIFIER_nondet_int() [L640] struct node *node = malloc(sizeof *node); [L641] COND FALSE !(!node) VAL [data={0:0}, node={16510:0}] [L643] node->next = node [L644] node->value = __VERIFIER_nondet_int() [L645] struct list *item = malloc(sizeof *item); [L646] COND FALSE !(!item) VAL [data={0:0}, item={-1:0}, node={16510:0}] [L648] item->slist = node VAL [data={0:0}, item={-1:0}, node={16510:0}] [L649] item->next = data [L650] data = item VAL [data={-1:0}, item={-1:0}, node={16510:0}] [L639] COND FALSE !(__VERIFIER_nondet_int()) [L652] COND FALSE !(!data) [L654] CALL inspect_before(data) [L615] COND FALSE !(!(shape)) VAL [shape={-1:0}, shape={-1:0}] [L616] shape->next VAL [shape={-1:0}, shape={-1:0}, shape->next={0:0}] [L616] COND FALSE !(shape->next) [L622] COND FALSE !(!(shape)) VAL [shape={-1:0}, shape={-1:0}] [L623] EXPR shape->next VAL [shape={-1:0}, shape={-1:0}, shape->next={0:0}] [L623] COND FALSE !(!(shape->next == ((void *)0))) [L624] EXPR shape->slist VAL [shape={-1:0}, shape={-1:0}, shape->slist={16510:0}] [L624] COND FALSE !(!(shape->slist)) [L625] EXPR shape->slist VAL [shape={-1:0}, shape={-1:0}, shape->slist={16510:0}] [L625] EXPR shape->slist->next VAL [shape={-1:0}, shape={-1:0}, shape->slist={16510:0}, shape->slist->next={16510:0}] [L625] COND TRUE !(shape->slist->next == ((void *)0)) [L625] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 111.1MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.56ms. Allocated memory is still 111.1MB. Free memory was 77.4MB in the beginning and 76.5MB in the end (delta: 925.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.85ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 73.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.32ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 70.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.76ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 70.7MB in the beginning and 87.2MB in the end (delta: -16.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * CodeCheck took 37278.11ms. Allocated memory was 134.2MB in the beginning and 343.9MB in the end (delta: 209.7MB). Free memory was 86.6MB in the beginning and 156.6MB in the end (delta: -70.0MB). Peak memory consumption was 139.9MB. Max. memory is 16.1GB. * Witness Printer took 108.14ms. Allocated memory is still 343.9MB. Free memory was 156.6MB in the beginning and 153.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-21 05:44:51,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96342184-6694-4527-a552-fe4340a4c694/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)