./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:44:01,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:44:01,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:44:01,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:44:01,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:44:01,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:44:01,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:44:01,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:44:01,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:44:01,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:44:01,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:44:01,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:44:01,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:44:01,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:44:01,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:44:01,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:44:01,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:44:01,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:44:01,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:44:01,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:44:01,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:44:01,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:44:01,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:44:01,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:44:01,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:44:01,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:44:01,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:44:01,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:44:01,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:44:01,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:44:01,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:44:01,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:44:01,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:44:01,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:44:01,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:44:01,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:44:01,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:44:01,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:44:01,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:44:01,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:44:01,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:44:01,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:44:01,950 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:44:01,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:44:01,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:44:01,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:44:01,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:44:01,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:44:01,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:44:01,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:44:01,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:44:01,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:44:01,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:44:01,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:44:01,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:44:01,955 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:44:01,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:44:01,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:44:01,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:44:01,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:44:01,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:44:01,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:44:01,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:01,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:44:01,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:44:01,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:44:01,958 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:44:01,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:44:01,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:44:01,958 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_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 [2022-11-20 16:44:02,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:44:02,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:44:02,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:44:02,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:44:02,344 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:44:02,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2022-11-20 16:44:05,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:44:05,812 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:44:05,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2022-11-20 16:44:05,832 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/data/b151f0bb9/ad78796cf49748999b6891fa27c51e1a/FLAG3723ba290 [2022-11-20 16:44:05,850 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/data/b151f0bb9/ad78796cf49748999b6891fa27c51e1a [2022-11-20 16:44:05,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:44:05,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:44:05,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:05,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:44:05,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:44:05,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:05" (1/1) ... [2022-11-20 16:44:05,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82d7374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:05, skipping insertion in model container [2022-11-20 16:44:05,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:44:05" (1/1) ... [2022-11-20 16:44:05,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:44:05,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:44:06,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:06,242 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:44:06,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:44:06,340 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:44:06,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06 WrapperNode [2022-11-20 16:44:06,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:44:06,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:06,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:44:06,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:44:06,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,388 INFO L138 Inliner]: procedures = 111, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2022-11-20 16:44:06,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:44:06,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:44:06,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:44:06,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:44:06,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:44:06,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:44:06,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:44:06,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:44:06,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:44:06,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:44:06,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:44:06,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:44:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:44:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:44:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:44:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:44:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:44:06,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:44:06,639 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:44:06,641 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:44:06,824 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:44:06,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:44:06,858 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:44:06,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:06 BoogieIcfgContainer [2022-11-20 16:44:06,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:44:06,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:44:06,862 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:44:06,873 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:44:06,874 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:06" (1/1) ... [2022-11-20 16:44:06,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:44:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-11-20 16:44:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-20 16:44:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:44:06,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2022-11-20 16:44:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-20 16:44:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:44:07,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:07,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2022-11-20 16:44:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-20 16:44:08,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:44:08,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2022-11-20 16:44:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-11-20 16:44:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:44:08,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:08,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2022-11-20 16:44:09,300 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-11-20 16:44:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:44:09,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:09,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:10,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2022-11-20 16:44:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-11-20 16:44:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:44:10,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:10,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2022-11-20 16:44:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-11-20 16:44:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:44:10,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:10,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2022-11-20 16:44:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-20 16:44:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:44:11,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:11,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2022-11-20 16:44:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-20 16:44:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:44:12,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2022-11-20 16:44:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-20 16:44:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:44:13,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:13,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2022-11-20 16:44:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2022-11-20 16:44:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:44:16,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2022-11-20 16:44:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-11-20 16:44:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:44:19,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:19,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2022-11-20 16:44:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2022-11-20 16:44:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:44:20,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:20,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2022-11-20 16:44:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2022-11-20 16:44:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:44:20,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2022-11-20 16:44:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-11-20 16:44:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:44:23,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2022-11-20 16:44:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2022-11-20 16:44:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:44:29,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:29,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 105 states and 167 transitions. [2022-11-20 16:44:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2022-11-20 16:44:33,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:44:33,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:33,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 110 states and 179 transitions. [2022-11-20 16:44:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 179 transitions. [2022-11-20 16:44:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:44:37,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:38,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 191 transitions. [2022-11-20 16:44:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 191 transitions. [2022-11-20 16:44:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:41,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 205 transitions. [2022-11-20 16:44:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2022-11-20 16:44:46,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:46,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:46,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2022-11-20 16:44:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2022-11-20 16:44:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:48,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 228 transitions. [2022-11-20 16:44:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 228 transitions. [2022-11-20 16:44:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:44:54,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:54,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:44:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:44:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2022-11-20 16:44:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2022-11-20 16:44:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:44:55,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:44:55,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:44:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:44:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 246 transitions. [2022-11-20 16:45:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2022-11-20 16:45:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:45:01,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:01,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 152 states and 283 transitions. [2022-11-20 16:45:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 283 transitions. [2022-11-20 16:45:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:45:12,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 284 transitions. [2022-11-20 16:45:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 284 transitions. [2022-11-20 16:45:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:45:13,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:13,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 155 states and 287 transitions. [2022-11-20 16:45:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 287 transitions. [2022-11-20 16:45:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:45:15,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:15,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 160 states and 297 transitions. [2022-11-20 16:45:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 297 transitions. [2022-11-20 16:45:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:45:18,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:19,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 160 states and 296 transitions. [2022-11-20 16:45:20,787 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 296 transitions. [2022-11-20 16:45:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:45:20,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:25,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:25,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 160 states and 295 transitions. [2022-11-20 16:45:25,967 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2022-11-20 16:45:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:45:25,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:25,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 294 transitions. [2022-11-20 16:45:27,629 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2022-11-20 16:45:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:45:27,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 160 states and 293 transitions. [2022-11-20 16:45:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2022-11-20 16:45:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:27,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:27,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 307 transitions. [2022-11-20 16:45:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 307 transitions. [2022-11-20 16:45:38,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:45:38,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:38,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 165 states and 311 transitions. [2022-11-20 16:45:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 311 transitions. [2022-11-20 16:45:41,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:45:41,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:41,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:44,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:45:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 176 states and 332 transitions. [2022-11-20 16:45:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 332 transitions. [2022-11-20 16:45:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:45:55,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:55,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:45:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:01,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 182 states and 342 transitions. [2022-11-20 16:46:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 342 transitions. [2022-11-20 16:46:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:46:01,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:01,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 184 states and 346 transitions. [2022-11-20 16:46:05,949 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 346 transitions. [2022-11-20 16:46:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:46:05,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:05,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 189 states and 358 transitions. [2022-11-20 16:46:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 358 transitions. [2022-11-20 16:46:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:46:19,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:19,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 197 states and 372 transitions. [2022-11-20 16:46:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 372 transitions. [2022-11-20 16:46:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:46:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:32,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 380 transitions. [2022-11-20 16:46:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 380 transitions. [2022-11-20 16:46:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:46:40,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:40,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 203 states and 389 transitions. [2022-11-20 16:46:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 389 transitions. [2022-11-20 16:46:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:46:45,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:45,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:48,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 206 states and 401 transitions. [2022-11-20 16:46:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 401 transitions. [2022-11-20 16:46:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:46:54,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:54,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 208 states and 406 transitions. [2022-11-20 16:47:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 406 transitions. [2022-11-20 16:47:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:47:01,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:10,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 215 states and 421 transitions. [2022-11-20 16:47:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 421 transitions. [2022-11-20 16:47:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:47:10,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:10,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 215 states and 420 transitions. [2022-11-20 16:47:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 420 transitions. [2022-11-20 16:47:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:47:12,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:12,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:47:15,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 217 states and 423 transitions. [2022-11-20 16:47:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 423 transitions. [2022-11-20 16:47:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:47:15,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:15,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:47:19,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:19,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 219 states and 426 transitions. [2022-11-20 16:47:19,194 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 426 transitions. [2022-11-20 16:47:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:47:19,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:19,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:47:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:22,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 221 states and 429 transitions. [2022-11-20 16:47:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 429 transitions. [2022-11-20 16:47:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:47:22,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:22,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:47:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 223 states and 432 transitions. [2022-11-20 16:47:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 432 transitions. [2022-11-20 16:47:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:47:26,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:26,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 224 states and 432 transitions. [2022-11-20 16:47:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 432 transitions. [2022-11-20 16:47:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 16:47:27,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:27,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:29,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 225 states and 434 transitions. [2022-11-20 16:47:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 434 transitions. [2022-11-20 16:47:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:47:29,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:29,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:47:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-11-20 16:47:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-20 16:47:36,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:47:36,448 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-20 16:47:36,457 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 16:47:37,188 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:47:37,193 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2022-11-20 16:47:37,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:47:37 ImpRootNode [2022-11-20 16:47:37,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:47:37,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:47:37,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:47:37,206 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:47:37,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:44:06" (3/4) ... [2022-11-20 16:47:37,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:47:37,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 16:47:37,236 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 16:47:37,236 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 16:47:37,236 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:47:37,292 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:47:37,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:47:37,293 INFO L158 Benchmark]: Toolchain (without parser) took 211433.98ms. Allocated memory was 155.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 115.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 395.9MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,293 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:47:37,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.53ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 115.3MB in the end (delta: -41.9kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.29ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,294 INFO L158 Benchmark]: Boogie Preprocessor took 33.92ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 111.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,295 INFO L158 Benchmark]: RCFGBuilder took 437.13ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 95.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,295 INFO L158 Benchmark]: CodeCheck took 210343.29ms. Allocated memory was 155.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 95.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 374.4MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,295 INFO L158 Benchmark]: Witness Printer took 86.26ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:47:37,298 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, 38 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 209.6s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11389 SdHoareTripleChecker+Valid, 68.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9590 mSDsluCounter, 3268 SdHoareTripleChecker+Invalid, 57.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1922 mSDsCounter, 6642 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39111 IncrementalHoareTripleChecker+Invalid, 45753 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6642 mSolverCounterUnsat, 1346 mSDtfsCounter, 39111 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9858 GetRequests, 8665 SyntacticMatches, 251 SemanticMatches, 942 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446253 ImplicationChecksByTransitivity, 197.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 39.5s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 889 ConstructedInterpolants, 0 QuantifiedInterpolants, 7002 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 127/178 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((!(unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && !(unknown-#memory_int-unknown[x_ref][x_ref] + 1 <= 0)) && !(y_ref == x_ref)) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) || ((((0 <= unknown-#memory_int-unknown[x_ref][x_ref] + 2147483648 && !(y_ref == x_ref)) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 115.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.53ms. Allocated memory is still 155.2MB. Free memory was 115.2MB in the beginning and 115.3MB in the end (delta: -41.9kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.29ms. Allocated memory is still 155.2MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.92ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 111.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.13ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 95.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 210343.29ms. Allocated memory was 155.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 95.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 374.4MB. Max. memory is 16.1GB. * Witness Printer took 86.26ms. Allocated memory is still 1.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:47:37,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656b8319-f4b4-4c9d-876e-7def71c4f7de/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE