./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-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_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/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_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/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_a5d44260-e710-4b81-8abb-d9978eec7da0/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 ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:33:03,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:33:03,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:33:03,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:33:03,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:33:03,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:33:03,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:33:03,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:33:03,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:33:03,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:33:03,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:33:03,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:33:03,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:33:03,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:33:03,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:33:03,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:33:03,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:33:03,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:33:03,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:33:03,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:33:03,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:33:03,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:33:03,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:33:03,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:33:03,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:33:03,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:33:03,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:33:03,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:33:03,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:33:03,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:33:03,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:33:03,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:33:03,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:33:03,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:33:03,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:33:03,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:33:03,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:33:03,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:33:03,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:33:03,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:33:03,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:33:03,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:33:04,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:33:04,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:33:04,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:33:04,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:33:04,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:33:04,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:33:04,014 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:33:04,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:33:04,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:33:04,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:33:04,016 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:33:04,022 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:33:04,022 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:33:04,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:33:04,023 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:33:04,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:33:04,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:33:04,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:33:04,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:33:04,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:04,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:33:04,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:33:04,024 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:33:04,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:33:04,025 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_a5d44260-e710-4b81-8abb-d9978eec7da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-11-23 01:33:04,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:33:04,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:33:04,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:33:04,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:33:04,366 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:33:04,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 01:33:04,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/7686a3922/7e4f9d088f32464f968d4ee80d4174df/FLAGeff89db1c [2021-11-23 01:33:04,934 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:33:04,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 01:33:04,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/7686a3922/7e4f9d088f32464f968d4ee80d4174df/FLAGeff89db1c [2021-11-23 01:33:05,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/7686a3922/7e4f9d088f32464f968d4ee80d4174df [2021-11-23 01:33:05,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:33:05,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:33:05,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:05,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:33:05,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:33:05,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ae03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05, skipping insertion in model container [2021-11-23 01:33:05,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:33:05,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:33:05,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 01:33:05,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:05,681 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:33:05,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 01:33:05,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:05,782 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:33:05,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05 WrapperNode [2021-11-23 01:33:05,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:05,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:05,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:33:05,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:33:05,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,845 INFO L137 Inliner]: procedures = 122, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2021-11-23 01:33:05,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:05,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:33:05,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:33:05,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:33:05,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:33:05,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:33:05,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:33:05,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:33:05,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:05" (1/1) ... [2021-11-23 01:33:05,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:05,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:33:05,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:33:05,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:33:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:33:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:33:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:33:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:33:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:33:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:33:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:33:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:33:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:33:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:33:06,107 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:33:06,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:33:06,552 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:33:06,595 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:33:06,596 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-23 01:33:06,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:06 BoogieIcfgContainer [2021-11-23 01:33:06,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:33:06,600 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:33:06,600 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:33:06,610 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:33:06,611 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:06" (1/1) ... [2021-11-23 01:33:06,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:33:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 146 transitions. [2021-11-23 01:33:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2021-11-23 01:33:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:33:06,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:06,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:06,829 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 01:33:06,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2021-11-23 01:33:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2021-11-23 01:33:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:33:06,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:06,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:06,917 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 01:33:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 124 states and 143 transitions. [2021-11-23 01:33:06,984 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2021-11-23 01:33:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:33:06,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:06,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,014 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 01:33:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 123 states and 142 transitions. [2021-11-23 01:33:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2021-11-23 01:33:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:33:07,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,082 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 01:33:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2021-11-23 01:33:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2021-11-23 01:33:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:33:07,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,131 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 01:33:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 125 states and 146 transitions. [2021-11-23 01:33:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2021-11-23 01:33:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:33:07,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,200 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 01:33:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 130 states and 155 transitions. [2021-11-23 01:33:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2021-11-23 01:33:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:33:07,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,400 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 01:33:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 133 states and 159 transitions. [2021-11-23 01:33:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2021-11-23 01:33:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:33:07,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,754 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 01:33:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:07,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 158 transitions. [2021-11-23 01:33:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2021-11-23 01:33:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:33:07,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:07,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:07,951 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 01:33:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2021-11-23 01:33:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2021-11-23 01:33:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:33:08,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,107 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 01:33:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 166 transitions. [2021-11-23 01:33:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2021-11-23 01:33:08,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:08,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:08,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 141 states and 170 transitions. [2021-11-23 01:33:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2021-11-23 01:33:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:33:08,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2021-11-23 01:33:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2021-11-23 01:33:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:08,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:08,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 147 states and 181 transitions. [2021-11-23 01:33:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 181 transitions. [2021-11-23 01:33:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:09,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:09,111 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 01:33:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 146 states and 180 transitions. [2021-11-23 01:33:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 180 transitions. [2021-11-23 01:33:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:33:09,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 147 states and 182 transitions. [2021-11-23 01:33:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 182 transitions. [2021-11-23 01:33:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:09,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:09,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 151 states and 188 transitions. [2021-11-23 01:33:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-11-23 01:33:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:10,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:10,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 155 states and 197 transitions. [2021-11-23 01:33:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 197 transitions. [2021-11-23 01:33:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:11,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:11,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:11,190 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 01:33:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 157 states and 201 transitions. [2021-11-23 01:33:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2021-11-23 01:33:11,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:33:11,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:11,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:11,987 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 01:33:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2021-11-23 01:33:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2021-11-23 01:33:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:13,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,029 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 01:33:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 160 states and 207 transitions. [2021-11-23 01:33:13,272 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2021-11-23 01:33:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:33:13,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:13,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2021-11-23 01:33:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2021-11-23 01:33:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:33:13,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:13,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 162 states and 209 transitions. [2021-11-23 01:33:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 209 transitions. [2021-11-23 01:33:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:33:14,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:33:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 162 states and 208 transitions. [2021-11-23 01:33:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2021-11-23 01:33:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:33:14,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:14,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 167 states and 216 transitions. [2021-11-23 01:33:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2021-11-23 01:33:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:33:16,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:16,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:16,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:18,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 169 states and 221 transitions. [2021-11-23 01:33:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 221 transitions. [2021-11-23 01:33:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:33:18,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:18,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 170 states and 223 transitions. [2021-11-23 01:33:18,424 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 223 transitions. [2021-11-23 01:33:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:33:18,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:18,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 172 states and 226 transitions. [2021-11-23 01:33:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 226 transitions. [2021-11-23 01:33:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:33:18,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:18,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 176 states and 235 transitions. [2021-11-23 01:33:20,440 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2021-11-23 01:33:20,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:33:20,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:20,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:22,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 178 states and 240 transitions. [2021-11-23 01:33:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 240 transitions. [2021-11-23 01:33:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:33:22,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:22,099 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 01:33:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 179 states and 242 transitions. [2021-11-23 01:33:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 242 transitions. [2021-11-23 01:33:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:33:22,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 181 states and 245 transitions. [2021-11-23 01:33:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2021-11-23 01:33:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:33:22,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 185 states and 254 transitions. [2021-11-23 01:33:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 254 transitions. [2021-11-23 01:33:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:33:24,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:24,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 187 states and 259 transitions. [2021-11-23 01:33:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 259 transitions. [2021-11-23 01:33:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:33:26,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:26,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 165 states and 222 transitions. [2021-11-23 01:33:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 222 transitions. [2021-11-23 01:33:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:33:27,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,240 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 01:33:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 166 states and 224 transitions. [2021-11-23 01:33:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 224 transitions. [2021-11-23 01:33:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:33:27,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:27,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 175 states and 242 transitions. [2021-11-23 01:33:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2021-11-23 01:33:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:33:30,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:30,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 190 states and 269 transitions. [2021-11-23 01:33:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 269 transitions. [2021-11-23 01:33:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:33:41,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:41,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:33:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 203 states and 295 transitions. [2021-11-23 01:33:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 295 transitions. [2021-11-23 01:33:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:33:50,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:50,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:33:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 217 states and 324 transitions. [2021-11-23 01:33:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 324 transitions. [2021-11-23 01:33:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:33:59,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:59,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:00,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 223 states and 337 transitions. [2021-11-23 01:34:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 337 transitions. [2021-11-23 01:34:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:03,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:03,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:03,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:07,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 229 states and 349 transitions. [2021-11-23 01:34:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 349 transitions. [2021-11-23 01:34:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:07,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:07,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 231 states and 352 transitions. [2021-11-23 01:34:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 352 transitions. [2021-11-23 01:34:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:34:09,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:09,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:11,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 233 states and 355 transitions. [2021-11-23 01:34:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 355 transitions. [2021-11-23 01:34:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:11,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:11,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:11,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 234 states and 355 transitions. [2021-11-23 01:34:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 355 transitions. [2021-11-23 01:34:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:11,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:11,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:34:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 235 states and 354 transitions. [2021-11-23 01:34:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 354 transitions. [2021-11-23 01:34:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:11,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:11,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 253 states and 383 transitions. [2021-11-23 01:34:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2021-11-23 01:34:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:24,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:34:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 252 states and 381 transitions. [2021-11-23 01:34:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 381 transitions. [2021-11-23 01:34:24,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:24,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:34:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 253 states and 383 transitions. [2021-11-23 01:34:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 383 transitions. [2021-11-23 01:34:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:34:26,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:26,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 255 states and 386 transitions. [2021-11-23 01:34:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 386 transitions. [2021-11-23 01:34:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:34:28,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:28,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 265 states and 406 transitions. [2021-11-23 01:34:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 406 transitions. [2021-11-23 01:34:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:34:42,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:42,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:34:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 275 states and 428 transitions. [2021-11-23 01:34:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 428 transitions. [2021-11-23 01:34:58,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:34:58,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:58,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 277 states and 431 transitions. [2021-11-23 01:35:00,950 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 431 transitions. [2021-11-23 01:35:00,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:35:00,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:00,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 279 states and 434 transitions. [2021-11-23 01:35:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 434 transitions. [2021-11-23 01:35:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:35:03,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:03,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 299 states and 475 transitions. [2021-11-23 01:35:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 475 transitions. [2021-11-23 01:35:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:35:31,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:31,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 309 states and 494 transitions. [2021-11-23 01:35:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 494 transitions. [2021-11-23 01:35:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:35:49,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:49,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 310 states and 495 transitions. [2021-11-23 01:35:51,230 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 495 transitions. [2021-11-23 01:35:51,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:35:51,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:51,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 324 states and 520 transitions. [2021-11-23 01:36:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 520 transitions. [2021-11-23 01:36:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:36:18,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:21,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 326 states and 523 transitions. [2021-11-23 01:36:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 523 transitions. [2021-11-23 01:36:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:36:21,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:21,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 339 states and 548 transitions. [2021-11-23 01:36:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 548 transitions. [2021-11-23 01:36:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:36:55,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:55,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:58,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 341 states and 551 transitions. [2021-11-23 01:36:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 551 transitions. [2021-11-23 01:36:58,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:36:58,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:58,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:37:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:02,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 343 states and 553 transitions. [2021-11-23 01:37:02,013 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 553 transitions. [2021-11-23 01:37:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:37:02,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:02,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 348 states and 561 transitions. [2021-11-23 01:37:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 561 transitions. [2021-11-23 01:37:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:12,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:12,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:37:12,296 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:37:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:37:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:37:12,667 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:37:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:37:12,844 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2021-11-23 01:37:12,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:37:12 ImpRootNode [2021-11-23 01:37:12,919 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:37:12,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:37:12,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:37:12,920 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:37:12,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:06" (3/4) ... [2021-11-23 01:37:12,938 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 01:37:12,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:37:12,939 INFO L158 Benchmark]: Toolchain (without parser) took 247670.62ms. Allocated memory was 88.1MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 52.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 417.3MB. Max. memory is 16.1GB. [2021-11-23 01:37:12,940 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:37:12,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.29ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 75.6MB in the end (delta: -23.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 01:37:12,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.21ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 73.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:37:12,951 INFO L158 Benchmark]: Boogie Preprocessor took 66.20ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:37:12,952 INFO L158 Benchmark]: RCFGBuilder took 685.53ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 73.6MB in the end (delta: -2.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-11-23 01:37:12,952 INFO L158 Benchmark]: CodeCheck took 246319.58ms. Allocated memory was 107.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 73.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 418.8MB. Max. memory is 16.1GB. [2021-11-23 01:37:12,953 INFO L158 Benchmark]: Witness Printer took 18.60ms. Allocated memory is still 1.5GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:37:12,956 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, 126 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 246.2s, OverallIterations: 63, 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, 10452 SdHoareTripleChecker+Valid, 60.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8149 mSDsluCounter, 6824 SdHoareTripleChecker+Invalid, 51.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5433 mSDsCounter, 10647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40425 IncrementalHoareTripleChecker+Invalid, 51072 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10647 mSolverCounterUnsat, 1391 mSDtfsCounter, 40425 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11224 GetRequests, 9891 SyntacticMatches, 313 SemanticMatches, 1020 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483411 ImplicationChecksByTransitivity, 238.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 39.7s InterpolantComputationTime, 1276 NumberOfCodeBlocks, 1276 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1179 ConstructedInterpolants, 0 QuantifiedInterpolants, 10484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 40 PerfectInterpolantSequences, 139/186 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 - UnprovableResult [Line: 565]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 565. Possible FailurePath: [L630] CALL, EXPR create_tree() [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) VAL [node={-2:0}, nodelast={0:0}] [L591] node->left = ((void *)0) VAL [node={-2:0}, nodelast={0:0}] [L592] node->right = nodelast VAL [node={-2:0}, nodelast={0:0}] [L593] COND FALSE !(\read(*nodelast)) VAL [node={-2:0}, nodelast={0:0}] [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node VAL [node={-2:0}, nodelast={-2:0}, value=0] [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) VAL [node={-2:0}, nodelast={-2:0}, value=0] [L603] EXPR node->left VAL [node={-2:0}, node->left={-1:0}, nodelast={-2:0}, value=0] [L603] node->left->left = ((void *)0) [L604] EXPR node->left VAL [node={-2:0}, node->left={-1:0}, nodelast={-2:0}, value=0] [L604] node->left->right = ((void *)0) [L605] EXPR node->left VAL [node={-2:0}, node->left={-1:0}, nodelast={-2:0}, value=0] [L605] node->left->value = 42 [L606] EXPR node->left VAL [node={-2:0}, node->left={-1:0}, nodelast={-2:0}, value=0] [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND FALSE !(node != ((void *)0)) [L609] return nodelast; [L630] RET, EXPR create_tree() [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L633] CALL inspect(data) [L575] COND FALSE !(!(node)) VAL [node={-2:0}, node={-2:0}] [L576] COND TRUE node != ((void *)0) VAL [node={-2:0}, node={-2:0}] [L577] node->left VAL [node={-2:0}, node={-2:0}, node->left={-1:0}] [L577] COND TRUE node->left [L578] EXPR node->left VAL [node={-2:0}, node={-2:0}, node->left={-1:0}] [L578] EXPR node->left->value VAL [node={-2:0}, node={-2:0}, node->left={-1:0}, node->left->value=42] [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value VAL [node={-2:0}, node={-2:0}, node->value=0] [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 57.6MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.29ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 75.6MB in the end (delta: -23.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.21ms. Allocated memory is still 107.0MB. Free memory was 75.6MB in the beginning and 73.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.20ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.53ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 73.6MB in the end (delta: -2.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * CodeCheck took 246319.58ms. Allocated memory was 107.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 73.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 418.8MB. Max. memory is 16.1GB. * Witness Printer took 18.60ms. Allocated memory is still 1.5GB. Free memory is still 1.1GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 01:37:13,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/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_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/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 ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:37:15,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:37:15,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:37:15,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:37:15,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:37:15,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:37:15,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:37:15,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:37:15,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:37:15,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:37:15,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:37:15,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:37:15,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:37:15,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:37:15,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:37:15,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:37:15,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:37:15,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:37:15,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:37:15,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:37:15,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:37:15,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:37:15,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:37:15,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:37:15,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:37:15,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:37:15,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:37:15,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:37:15,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:37:15,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:37:15,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:37:15,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:37:15,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:37:15,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:37:15,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:37:15,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:37:15,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:37:15,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:37:15,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:37:15,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:37:15,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:37:15,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 01:37:15,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:37:15,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:37:15,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:37:15,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:37:15,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:37:15,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:37:15,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:37:15,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:37:15,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:37:15,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:37:15,479 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:37:15,480 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:37:15,480 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:37:15,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:37:15,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:37:15,481 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:37:15,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:37:15,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:37:15,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:37:15,482 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:37:15,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:37:15,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:37:15,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:15,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:37:15,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:37:15,483 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:37:15,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:37:15,484 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:37:15,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:37:15,484 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_a5d44260-e710-4b81-8abb-d9978eec7da0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-11-23 01:37:15,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:37:15,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:37:15,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:37:15,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:37:15,855 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:37:15,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 01:37:15,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/7ab220df2/3158b4ec364543edab7cad6476fc3e6c/FLAG91cd5d488 [2021-11-23 01:37:16,473 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:37:16,473 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 01:37:16,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/7ab220df2/3158b4ec364543edab7cad6476fc3e6c/FLAG91cd5d488 [2021-11-23 01:37:16,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/data/7ab220df2/3158b4ec364543edab7cad6476fc3e6c [2021-11-23 01:37:16,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:37:16,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:37:16,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:16,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:37:16,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:37:16,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112278fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:16, skipping insertion in model container [2021-11-23 01:37:16,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:16" (1/1) ... [2021-11-23 01:37:16,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:37:16,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:37:17,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 01:37:17,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:17,243 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:37:17,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 01:37:17,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:17,343 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:37:17,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17 WrapperNode [2021-11-23 01:37:17,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:17,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:17,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:37:17,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:37:17,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,397 INFO L137 Inliner]: procedures = 125, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2021-11-23 01:37:17,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:17,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:37:17,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:37:17,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:37:17,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:37:17,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:37:17,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:37:17,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:37:17,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:17" (1/1) ... [2021-11-23 01:37:17,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:17,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:37:17,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:37:17,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:37:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:37:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:37:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:37:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:37:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:37:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:37:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:37:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:37:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:37:17,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:37:17,744 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:37:17,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:37:18,440 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:37:18,519 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:37:18,519 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-23 01:37:18,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:18 BoogieIcfgContainer [2021-11-23 01:37:18,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:37:18,523 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:37:18,523 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:37:18,533 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:37:18,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:18" (1/1) ... [2021-11-23 01:37:18,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:37:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2021-11-23 01:37:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2021-11-23 01:37:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:37:18,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,649 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:37:18,654 INFO L158 Benchmark]: Toolchain (without parser) took 1869.32ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 51.5MB in the beginning and 61.0MB in the end (delta: -9.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 01:37:18,654 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:37:18,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.18ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 51.5MB in the end (delta: -236.3kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 01:37:18,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.26ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:37:18,657 INFO L158 Benchmark]: Boogie Preprocessor took 69.27ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:37:18,658 INFO L158 Benchmark]: RCFGBuilder took 1054.04ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.8MB in the beginning and 67.3MB in the end (delta: -20.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-23 01:37:18,658 INFO L158 Benchmark]: CodeCheck took 128.58ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 61.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:37:18,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.18ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 51.5MB in the end (delta: -236.3kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.26ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.27ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1054.04ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.8MB in the beginning and 67.3MB in the end (delta: -20.5MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * CodeCheck took 128.58ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 61.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:37:18,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d44260-e710-4b81-8abb-d9978eec7da0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared