./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feb75add31ebc5ab880174a59d6376758f323c6b10b547c6921a4d0c74b13daf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:03,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:03,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:03,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:03,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:03,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:03,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:03,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:03,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:03,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:03,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:03,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:03,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:03,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:03,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:03,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:03,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:03,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:03,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:03,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:03,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:03,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:03,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:03,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:03,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:03,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:03,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:03,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:03,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:03,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:03,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:03,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:03,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:03,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:03,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:03,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:03,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:03,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:03,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:03,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:03,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:03,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:05:03,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:03,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:03,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:03,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:03,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:03,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:03,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:05:03,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:03,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:03,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:03,931 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:05:03,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:05:03,931 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:05:03,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:03,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:03,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:03,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:03,932 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:03,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:03,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:03,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:03,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:03,933 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:03,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:03,933 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_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb75add31ebc5ab880174a59d6376758f323c6b10b547c6921a4d0c74b13daf [2021-11-23 15:05:04,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:04,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:04,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:04,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:04,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:04,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/memset2.c [2021-11-23 15:05:04,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/data/5a82c43a0/d1dd3852c1ae41629d9127d1b139ed9e/FLAG83e26ca0b [2021-11-23 15:05:04,862 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:04,862 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/sv-benchmarks/c/ldv-memsafety/memset2.c [2021-11-23 15:05:04,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/data/5a82c43a0/d1dd3852c1ae41629d9127d1b139ed9e/FLAG83e26ca0b [2021-11-23 15:05:05,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/data/5a82c43a0/d1dd3852c1ae41629d9127d1b139ed9e [2021-11-23 15:05:05,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:05,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:05,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:05,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:05,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:05,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c08c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05, skipping insertion in model container [2021-11-23 15:05:05,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:05,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:05,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:05,418 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:05,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:05,447 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:05,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05 WrapperNode [2021-11-23 15:05:05,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:05,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:05,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:05,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:05,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,482 INFO L137 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 17 [2021-11-23 15:05:05,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:05,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:05,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:05,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:05,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:05,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:05,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:05,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:05,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:05,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:05,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:05,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:05,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:05,665 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:05,667 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:05,769 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:05,784 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:05,784 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:05:05,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:05 BoogieIcfgContainer [2021-11-23 15:05:05,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:05,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:05,789 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:05,799 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:05,799 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:05" (1/1) ... [2021-11-23 15:05:05,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:05:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-11-23 15:05:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-11-23 15:05:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:05:05,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:05,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-23 15:05:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-23 15:05:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:05:06,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:06,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:06,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-23 15:05:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-23 15:05:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:05:06,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:06,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-23 15:05:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-23 15:05:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:05:06,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:06,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:07,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-23 15:05:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-23 15:05:07,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:05:07,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:07,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-11-23 15:05:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-23 15:05:08,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:05:08,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:08,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-11-23 15:05:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-23 15:05:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:05:08,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:08,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-23 15:05:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-23 15:05:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:05:09,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:09,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-23 15:05:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-23 15:05:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 15:05:10,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:10,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 15:05:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 15:05:11,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:05:11,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:11,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:11,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2021-11-23 15:05:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-11-23 15:05:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:05:11,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:11,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-23 15:05:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-23 15:05:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:05:12,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:12,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-23 15:05:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-23 15:05:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:05:13,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:13,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2021-11-23 15:05:14,793 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-23 15:05:14,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:05:14,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:14,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-23 15:05:15,740 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-23 15:05:15,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:05:15,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:15,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-23 15:05:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-23 15:05:16,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 15:05:16,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:16,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:17,046 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-11-23 15:05:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-23 15:05:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:05:17,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:17,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-11-23 15:05:22,671 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-11-23 15:05:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:05:22,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:22,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2021-11-23 15:05:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-23 15:05:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:05:23,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:23,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2021-11-23 15:05:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-11-23 15:05:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:05:25,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:25,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-11-23 15:05:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-11-23 15:05:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:05:27,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:27,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2021-11-23 15:05:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-23 15:05:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:05:28,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:28,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2021-11-23 15:05:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-11-23 15:05:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 15:05:29,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:29,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2021-11-23 15:05:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2021-11-23 15:05:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:05:31,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:31,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:32,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2021-11-23 15:05:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-11-23 15:05:32,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 15:05:32,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:32,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2021-11-23 15:05:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-23 15:05:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:05:34,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:34,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:36,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2021-11-23 15:05:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2021-11-23 15:05:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:05:36,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:36,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2021-11-23 15:05:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-11-23 15:05:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:05:38,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:38,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:40,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2021-11-23 15:05:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-23 15:05:40,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 15:05:40,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:40,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2021-11-23 15:05:42,105 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-11-23 15:05:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 15:05:42,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:42,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:42,783 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2021-11-23 15:05:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2021-11-23 15:05:44,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:05:44,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:44,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2021-11-23 15:05:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-11-23 15:05:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 15:05:46,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:46,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2021-11-23 15:05:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2021-11-23 15:05:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:05:48,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:48,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:50,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2021-11-23 15:05:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-11-23 15:05:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:05:50,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:50,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2021-11-23 15:05:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2021-11-23 15:05:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:05:52,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:52,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2021-11-23 15:05:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-11-23 15:05:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 15:05:54,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:54,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:55,669 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:05:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:05:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2021-11-23 15:05:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2021-11-23 15:05:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 15:05:57,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:05:57,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:05:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:05:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2021-11-23 15:06:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2021-11-23 15:06:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:06:00,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:00,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2021-11-23 15:06:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-11-23 15:06:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 15:06:02,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:02,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2021-11-23 15:06:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2021-11-23 15:06:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:06:05,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:05,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2021-11-23 15:06:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2021-11-23 15:06:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:06:07,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:07,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2021-11-23 15:06:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-11-23 15:06:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:06:10,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:10,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:20,172 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:06:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2021-11-23 15:06:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2021-11-23 15:06:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:06:29,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:06:29,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:06:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:06:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-11-23 15:06:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:06:56,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2021-11-23 15:06:56,842 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-11-23 15:06:56,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:06:56,843 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2021-11-23 15:06:56,862 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2021-11-23 15:06:57,634 INFO L560 CodeCheckObserver]: Invariant with dag size 161 [2021-11-23 15:06:57,671 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 15:06:57,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:06:57 ImpRootNode [2021-11-23 15:06:57,672 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:06:57,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:06:57,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:06:57,673 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:06:57,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:05" (3/4) ... [2021-11-23 15:06:57,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:06:57,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-23 15:06:57,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 15:06:57,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:06:57,686 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 15:06:57,717 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((unknown-#amount-unknown / 4294967296 <= 0 && 36 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 5) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 4 <= unknown-#amount-unknown) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 27 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 13 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 14)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 34 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 7) && aux-#t~loopctr5-aux + 6 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr5-aux + 14 <= unknown-#amount-unknown) && 26 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 15) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 10) && 31 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 9 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 17) && 24 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 16 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((33 <= aux-#t~loopctr5-aux && unknown-#amount-unknown / 4294967296 <= 0) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 7 <= unknown-#amount-unknown) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 8)) || ((((aux-#t~loopctr5-aux + 12 <= unknown-#amount-unknown && unknown-#amount-unknown / 4294967296 <= 0) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 13) && 28 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (unknown-#amount-unknown < aux-#t~loopctr5-aux + 3 && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (unknown-#amount-unknown == 40 && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 4) && 37 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((22 <= aux-#t~loopctr5-aux && unknown-#amount-unknown / 4294967296 <= 0) && aux-#t~loopctr5-aux + 18 <= unknown-#amount-unknown) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 19) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr5-aux + 5 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 35 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 6)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 18 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 24) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 22 <= unknown-#amount-unknown)) || ((!(0 < aux-#t~loopctr5-aux / 4294967296 + 1) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 5) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((aux-#t~loopctr5-aux + 20 <= unknown-#amount-unknown && unknown-#amount-unknown / 4294967296 <= 0) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 21) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 20 <= aux-#t~loopctr5-aux)) || ((((unknown-#amount-unknown < aux-#t~loopctr5-aux + 9 && unknown-#amount-unknown / 4294967296 <= 0) && aux-#t~loopctr5-aux + 8 <= unknown-#amount-unknown) && 32 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown < aux-#t~loopctr5-aux + 20 && unknown-#amount-unknown / 4294967296 <= 0) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 19 <= unknown-#amount-unknown) && 21 <= aux-#t~loopctr5-aux)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr5-aux + 15 <= unknown-#amount-unknown) && 25 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 16) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (!(unknown-#amount-unknown / 4294967296 <= aux-#t~loopctr5-aux / 4294967296) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 23 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 18) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 17 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 12) && 29 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 11 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 11) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 30 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 10 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 19 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 21 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 22) [2021-11-23 15:06:57,718 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-23 15:06:57,731 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:06:57,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:06:57,732 INFO L158 Benchmark]: Toolchain (without parser) took 112480.93ms. Allocated memory was 98.6MB in the beginning and 799.0MB in the end (delta: 700.4MB). Free memory was 70.1MB in the beginning and 300.2MB in the end (delta: -230.1MB). Peak memory consumption was 471.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,734 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:57,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.06ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 61.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,740 INFO L158 Benchmark]: Boogie Preprocessor took 32.14ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 58.8MB in the end (delta: 967.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,742 INFO L158 Benchmark]: RCFGBuilder took 271.08ms. Allocated memory is still 98.6MB. Free memory was 58.8MB in the beginning and 49.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,743 INFO L158 Benchmark]: CodeCheck took 111883.72ms. Allocated memory was 98.6MB in the beginning and 799.0MB in the end (delta: 700.4MB). Free memory was 49.7MB in the beginning and 303.1MB in the end (delta: -253.4MB). Peak memory consumption was 448.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,743 INFO L158 Benchmark]: Witness Printer took 58.86ms. Allocated memory is still 799.0MB. Free memory was 303.1MB in the beginning and 300.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:57,752 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, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 111.0s, 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, 1273 SdHoareTripleChecker+Valid, 30.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1150 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 25.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7744 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13921 IncrementalHoareTripleChecker+Invalid, 21665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7744 mSolverCounterUnsat, 41 mSDtfsCounter, 13921 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7886 GetRequests, 6328 SyntacticMatches, 812 SemanticMatches, 746 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277571 ImplicationChecksByTransitivity, 100.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 30.5s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 1030 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 12227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 4 PerfectInterpolantSequences, 820/11480 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((unknown-#amount-unknown / 4294967296 <= 0 && 36 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 5) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 4 <= unknown-#amount-unknown) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 27 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 13 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 14)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 34 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 7) && aux-#t~loopctr5-aux + 6 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr5-aux + 14 <= unknown-#amount-unknown) && 26 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 15) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 10) && 31 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 9 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 17) && 24 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 16 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((33 <= aux-#t~loopctr5-aux && unknown-#amount-unknown / 4294967296 <= 0) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 7 <= unknown-#amount-unknown) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 8)) || ((((aux-#t~loopctr5-aux + 12 <= unknown-#amount-unknown && unknown-#amount-unknown / 4294967296 <= 0) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 13) && 28 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (unknown-#amount-unknown < aux-#t~loopctr5-aux + 3 && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (unknown-#amount-unknown == 40 && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 4) && 37 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((22 <= aux-#t~loopctr5-aux && unknown-#amount-unknown / 4294967296 <= 0) && aux-#t~loopctr5-aux + 18 <= unknown-#amount-unknown) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 19) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr5-aux + 5 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 35 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 6)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 18 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 24) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 22 <= unknown-#amount-unknown)) || ((!(0 < aux-#t~loopctr5-aux / 4294967296 + 1) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 5) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((aux-#t~loopctr5-aux + 20 <= unknown-#amount-unknown && unknown-#amount-unknown / 4294967296 <= 0) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 21) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 20 <= aux-#t~loopctr5-aux)) || ((((unknown-#amount-unknown < aux-#t~loopctr5-aux + 9 && unknown-#amount-unknown / 4294967296 <= 0) && aux-#t~loopctr5-aux + 8 <= unknown-#amount-unknown) && 32 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown < aux-#t~loopctr5-aux + 20 && unknown-#amount-unknown / 4294967296 <= 0) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 19 <= unknown-#amount-unknown) && 21 <= aux-#t~loopctr5-aux)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && aux-#t~loopctr5-aux + 15 <= unknown-#amount-unknown) && 25 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 16) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (!(unknown-#amount-unknown / 4294967296 <= aux-#t~loopctr5-aux / 4294967296) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 23 <= aux-#t~loopctr5-aux) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 18) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 17 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 12) && 29 <= aux-#t~loopctr5-aux) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && aux-#t~loopctr5-aux + 11 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && unknown-#amount-unknown < aux-#t~loopctr5-aux + 11) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 30 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 10 <= unknown-#amount-unknown)) || ((((unknown-#amount-unknown / 4294967296 <= 0 && 19 <= aux-#t~loopctr5-aux) && aux-#t~loopctr5-aux + 21 <= unknown-#amount-unknown) && \valid[cstats := 0] == \old(unknown-main_\old_#valid#1-unknown)) && unknown-#amount-unknown < aux-#t~loopctr5-aux + 22) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.06ms. Allocated memory is still 98.6MB. Free memory was 69.9MB in the beginning and 61.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 98.6MB. Free memory was 61.1MB in the beginning and 59.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.14ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 58.8MB in the end (delta: 967.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.08ms. Allocated memory is still 98.6MB. Free memory was 58.8MB in the beginning and 49.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 111883.72ms. Allocated memory was 98.6MB in the beginning and 799.0MB in the end (delta: 700.4MB). Free memory was 49.7MB in the beginning and 303.1MB in the end (delta: -253.4MB). Peak memory consumption was 448.8MB. Max. memory is 16.1GB. * Witness Printer took 58.86ms. Allocated memory is still 799.0MB. Free memory was 303.1MB in the beginning and 300.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:06:57,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b4413d-bd79-4157-8969-b2b74345edc9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE