./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:06,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:06,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:06,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:06,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:06,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:06,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:06,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:06,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:06,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:06,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:06,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:06,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:06,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:06,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:06,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:06,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:06,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:06,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:06,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:06,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:06,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:06,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:06,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:06,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:06,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:06,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:06,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:06,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:06,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:06,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:06,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:06,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:06,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:06,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:06,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:06,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:06,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:06,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:06,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:06,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:06,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:28:06,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:06,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:06,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:06,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:06,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:06,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:06,896 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:28:06,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:06,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:06,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:06,899 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:28:06,899 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:28:06,899 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:28:06,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:06,900 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:06,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:06,900 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:06,900 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:06,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:06,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:06,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:06,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:06,902 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:06,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:06,902 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_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2021-11-23 00:28:07,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:07,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:07,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:07,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:07,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:07,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-11-23 00:28:07,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/data/0ec4c34f7/f20e119a8f494eacbc6e26673b0c737e/FLAGbfdb909cc [2021-11-23 00:28:07,896 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:07,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2021-11-23 00:28:07,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/data/0ec4c34f7/f20e119a8f494eacbc6e26673b0c737e/FLAGbfdb909cc [2021-11-23 00:28:08,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/data/0ec4c34f7/f20e119a8f494eacbc6e26673b0c737e [2021-11-23 00:28:08,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:08,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:08,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:08,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:08,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:08,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d22a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08, skipping insertion in model container [2021-11-23 00:28:08,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:08,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:08,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:08,619 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:08,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:08,709 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:08,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08 WrapperNode [2021-11-23 00:28:08,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:08,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:08,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:08,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:08,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,759 INFO L137 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-23 00:28:08,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:08,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:08,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:08,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:08,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:08,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:08,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:08,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:08,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:08" (1/1) ... [2021-11-23 00:28:08,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:08,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:08,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:09,067 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:09,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:09,330 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:09,389 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:09,396 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:09,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:09 BoogieIcfgContainer [2021-11-23 00:28:09,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:09,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:09,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:09,410 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:09,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:09" (1/1) ... [2021-11-23 00:28:09,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-11-23 00:28:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-23 00:28:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:28:09,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:09,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2021-11-23 00:28:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-11-23 00:28:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:28:09,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:09,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2021-11-23 00:28:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2021-11-23 00:28:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:28:10,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:10,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-23 00:28:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-23 00:28:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:28:10,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:10,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2021-11-23 00:28:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2021-11-23 00:28:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:28:11,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:11,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2021-11-23 00:28:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2021-11-23 00:28:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:11,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:11,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:11,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-23 00:28:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-23 00:28:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:11,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:11,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2021-11-23 00:28:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2021-11-23 00:28:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:12,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:12,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-11-23 00:28:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-11-23 00:28:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:13,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:13,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-11-23 00:28:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-23 00:28:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:13,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:13,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:14,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2021-11-23 00:28:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2021-11-23 00:28:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:14,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:14,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2021-11-23 00:28:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2021-11-23 00:28:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:28:15,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:15,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2021-11-23 00:28:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2021-11-23 00:28:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:28:16,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:16,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2021-11-23 00:28:17,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2021-11-23 00:28:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:17,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:17,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2021-11-23 00:28:17,697 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2021-11-23 00:28:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:28:17,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:17,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2021-11-23 00:28:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2021-11-23 00:28:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:18,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2021-11-23 00:28:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2021-11-23 00:28:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:28:18,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2021-11-23 00:28:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2021-11-23 00:28:18,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:18,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-23 00:28:18,369 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-23 00:28:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:18,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2021-11-23 00:28:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2021-11-23 00:28:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:18,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:18,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:20,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 52 states and 73 transitions. [2021-11-23 00:28:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2021-11-23 00:28:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:28:20,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:20,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 53 states and 74 transitions. [2021-11-23 00:28:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 74 transitions. [2021-11-23 00:28:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:28:20,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2021-11-23 00:28:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-11-23 00:28:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:28:21,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:21,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 54 states and 77 transitions. [2021-11-23 00:28:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2021-11-23 00:28:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:28:21,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:21,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:28:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2021-11-23 00:28:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2021-11-23 00:28:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:28:21,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:21,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:28:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2021-11-23 00:28:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2021-11-23 00:28:24,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:28:24,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:24,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:28:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 96 transitions. [2021-11-23 00:28:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2021-11-23 00:28:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:25,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:25,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 97 transitions. [2021-11-23 00:28:26,077 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2021-11-23 00:28:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:26,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:26,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2021-11-23 00:28:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2021-11-23 00:28:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:28:26,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:26,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2021-11-23 00:28:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2021-11-23 00:28:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:28:28,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:28,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 78 states and 117 transitions. [2021-11-23 00:28:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 117 transitions. [2021-11-23 00:28:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:28:28,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:28,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:28:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 122 transitions. [2021-11-23 00:28:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2021-11-23 00:28:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:28:29,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 121 transitions. [2021-11-23 00:28:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2021-11-23 00:28:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:28:29,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:29,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:28:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2021-11-23 00:28:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2021-11-23 00:28:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:30,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:30,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:28:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 84 states and 122 transitions. [2021-11-23 00:28:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2021-11-23 00:28:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:28:31,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:31,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:28:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 83 states and 121 transitions. [2021-11-23 00:28:32,355 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2021-11-23 00:28:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:32,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:28:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 84 states and 122 transitions. [2021-11-23 00:28:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2021-11-23 00:28:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:32,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:32,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:37,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 97 states and 146 transitions. [2021-11-23 00:28:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 146 transitions. [2021-11-23 00:28:37,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:37,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:37,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2021-11-23 00:28:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2021-11-23 00:28:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:28:37,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:37,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:28:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 100 states and 148 transitions. [2021-11-23 00:28:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 148 transitions. [2021-11-23 00:28:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:37,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:37,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 102 states and 153 transitions. [2021-11-23 00:28:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 153 transitions. [2021-11-23 00:28:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:28:39,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:39,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:28:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:39,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 152 transitions. [2021-11-23 00:28:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2021-11-23 00:28:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:28:39,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:39,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:28:41,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:41,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2021-11-23 00:28:41,664 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2021-11-23 00:28:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:28:41,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:41,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:42,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 106 states and 159 transitions. [2021-11-23 00:28:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2021-11-23 00:28:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:28:42,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:42,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 107 states and 161 transitions. [2021-11-23 00:28:43,117 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2021-11-23 00:28:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:43,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:43,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:28:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 109 states and 164 transitions. [2021-11-23 00:28:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2021-11-23 00:28:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:28:44,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:44,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 113 states and 167 transitions. [2021-11-23 00:28:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2021-11-23 00:28:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:28:45,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:45,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 117 states and 170 transitions. [2021-11-23 00:28:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2021-11-23 00:28:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:28:45,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:45,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:28:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 121 states and 173 transitions. [2021-11-23 00:28:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2021-11-23 00:28:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:28:45,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:45,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:46,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:28:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 125 states and 176 transitions. [2021-11-23 00:28:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 176 transitions. [2021-11-23 00:28:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:28:46,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:46,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:28:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 131 states and 185 transitions. [2021-11-23 00:28:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 185 transitions. [2021-11-23 00:28:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:28:48,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:28:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 131 states and 184 transitions. [2021-11-23 00:28:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2021-11-23 00:28:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:28:48,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:48,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:28:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 132 states and 184 transitions. [2021-11-23 00:28:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-11-23 00:28:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:28:49,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:49,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:28:53,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 143 states and 201 transitions. [2021-11-23 00:28:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 201 transitions. [2021-11-23 00:28:53,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:28:53,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:28:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 147 states and 204 transitions. [2021-11-23 00:28:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 204 transitions. [2021-11-23 00:28:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:28:53,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:53,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:28:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 147 states and 202 transitions. [2021-11-23 00:28:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 202 transitions. [2021-11-23 00:28:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:28:54,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:28:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 151 states and 207 transitions. [2021-11-23 00:28:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2021-11-23 00:28:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:28:55,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:28:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 153 states and 212 transitions. [2021-11-23 00:28:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 212 transitions. [2021-11-23 00:28:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:28:57,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 00:28:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 157 states and 215 transitions. [2021-11-23 00:28:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 215 transitions. [2021-11-23 00:28:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:28:58,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:28:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2021-11-23 00:28:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2021-11-23 00:28:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:28:58,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:28:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2021-11-23 00:28:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2021-11-23 00:28:59,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:28:59,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-23 00:29:04,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 128 states and 149 transitions. [2021-11-23 00:29:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2021-11-23 00:29:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:29:04,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:04,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-23 00:29:04,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 132 states and 152 transitions. [2021-11-23 00:29:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2021-11-23 00:29:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:29:04,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:04,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,759 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-11-23 00:29:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:04,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-23 00:29:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-23 00:29:04,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:29:04,796 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 64 iterations. [2021-11-23 00:29:04,804 INFO L754 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2021-11-23 00:29:06,424 INFO L560 CodeCheckObserver]: Invariant with dag size 44 [2021-11-23 00:29:06,441 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2021-11-23 00:29:06,446 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:29:06,447 INFO L560 CodeCheckObserver]: Invariant with dag size 39 [2021-11-23 00:29:06,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:29:06 ImpRootNode [2021-11-23 00:29:06,451 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:29:06,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:29:06,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:29:06,452 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:29:06,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:09" (3/4) ... [2021-11-23 00:29:06,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:29:06,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 00:29:06,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-23 00:29:06,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:29:06,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:29:06,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((4 <= array_size && \valid[numbers] == 1) && 3 < k) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (((((\valid[numbers] == 1 && 4 * array_size == unknown-#length-unknown[numbers]) && k == 0) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 1 <= array_size)) || ((((((k <= 2 && 2 <= array_size) && \valid[numbers] == 1) && 1 < k) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((((\valid[numbers] == 1 && 3 <= array_size) && 4 * array_size == unknown-#length-unknown[numbers]) && k <= 3) && 2 < k) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((((k <= 1 && \valid[numbers] == 1) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && 1 <= k) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 1 <= array_size) [2021-11-23 00:29:06,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && i < 0) [2021-11-23 00:29:06,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((2 <= j && j < i + 1) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || ((((((1 < i && i <= 2) && numbers == 0) && 8 <= unknown-#length-unknown[numbers]) && i + 1 <= j) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((1 < i && numbers == 0) && j == 1) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((i <= 1 && numbers == 0) && j == 1) && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((((i <= 1 && 0 < i) && numbers == 0) && 8 <= unknown-#length-unknown[numbers]) && i + 1 <= j) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((4 <= unknown-#length-unknown[numbers] && i <= 0) && numbers == 0) && j == 1) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((i <= j && numbers == 0) && 2 < i) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) [2021-11-23 00:29:06,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-23 00:29:06,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:29:06,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:29:06,529 INFO L158 Benchmark]: Toolchain (without parser) took 58306.21ms. Allocated memory was 90.2MB in the beginning and 406.8MB in the end (delta: 316.7MB). Free memory was 51.8MB in the beginning and 305.7MB in the end (delta: -253.8MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2021-11-23 00:29:06,530 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:06,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.90ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 76.5MB in the end (delta: -24.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:29:06,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.03ms. Allocated memory is still 109.1MB. Free memory was 76.5MB in the beginning and 74.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:06,536 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 109.1MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:06,536 INFO L158 Benchmark]: RCFGBuilder took 613.86ms. Allocated memory is still 109.1MB. Free memory was 73.4MB in the beginning and 59.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:29:06,537 INFO L158 Benchmark]: CodeCheck took 57052.05ms. Allocated memory was 109.1MB in the beginning and 406.8MB in the end (delta: 297.8MB). Free memory was 59.0MB in the beginning and 308.8MB in the end (delta: -249.8MB). Peak memory consumption was 234.3MB. Max. memory is 16.1GB. [2021-11-23 00:29:06,537 INFO L158 Benchmark]: Witness Printer took 76.45ms. Allocated memory is still 406.8MB. Free memory was 308.8MB in the beginning and 305.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:29:06,540 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, 30 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 55.4s, OverallIterations: 64, 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, 12250 SdHoareTripleChecker+Valid, 53.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11489 mSDsluCounter, 6648 SdHoareTripleChecker+Invalid, 43.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5894 mSDsCounter, 8470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33528 IncrementalHoareTripleChecker+Invalid, 41998 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8470 mSolverCounterUnsat, 754 mSDtfsCounter, 33528 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11069 GetRequests, 10028 SyntacticMatches, 555 SemanticMatches, 486 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133809 ImplicationChecksByTransitivity, 49.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 1276 NumberOfCodeBlocks, 1276 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1213 ConstructedInterpolants, 0 QuantifiedInterpolants, 7511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 63 InterpolantComputations, 27 PerfectInterpolantSequences, 1064/1315 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: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 534]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 525]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: ((((((((((2 <= j && j < i + 1) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || ((((((1 < i && i <= 2) && numbers == 0) && 8 <= unknown-#length-unknown[numbers]) && i + 1 <= j) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((1 < i && numbers == 0) && j == 1) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((i <= 1 && numbers == 0) && j == 1) && 8 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((((i <= 1 && 0 < i) && numbers == 0) && 8 <= unknown-#length-unknown[numbers]) && i + 1 <= j) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((4 <= unknown-#length-unknown[numbers] && i <= 0) && numbers == 0) && j == 1) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || (((((i <= j && numbers == 0) && 2 < i) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((numbers == 0 && 4 * i + 4 <= unknown-#length-unknown[numbers]) && \valid[numbers] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (\valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && i < 0) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((((4 <= array_size && \valid[numbers] == 1) && 3 < k) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (((((\valid[numbers] == 1 && 4 * array_size == unknown-#length-unknown[numbers]) && k == 0) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 1 <= array_size)) || ((((((k <= 2 && 2 <= array_size) && \valid[numbers] == 1) && 1 < k) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((((\valid[numbers] == 1 && 3 <= array_size) && 4 * array_size == unknown-#length-unknown[numbers]) && k <= 3) && 2 < k) && numbers == 0) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown))) || ((((((k <= 1 && \valid[numbers] == 1) && 4 * array_size == unknown-#length-unknown[numbers]) && numbers == 0) && 1 <= k) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 1 <= array_size) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.90ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 76.5MB in the end (delta: -24.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.03ms. Allocated memory is still 109.1MB. Free memory was 76.5MB in the beginning and 74.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 109.1MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 613.86ms. Allocated memory is still 109.1MB. Free memory was 73.4MB in the beginning and 59.0MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 57052.05ms. Allocated memory was 109.1MB in the beginning and 406.8MB in the end (delta: 297.8MB). Free memory was 59.0MB in the beginning and 308.8MB in the end (delta: -249.8MB). Peak memory consumption was 234.3MB. Max. memory is 16.1GB. * Witness Printer took 76.45ms. Allocated memory is still 406.8MB. Free memory was 308.8MB in the beginning and 305.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:29:06,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b050675-2a93-4b6c-819e-f261ec42a395/bin/ukojak-LBtLqBUTdQ/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 Result: TRUE