./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB --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 ef4a52e45666a829b602608a46cff9c8137910dd58bdfaebe016ce17984d1ac8 --- 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-dbf71c6-m [2022-10-17 16:32:58,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:32:58,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:32:58,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:32:58,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:32:58,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:32:58,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:32:58,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:32:58,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:32:58,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:32:58,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:32:58,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:32:58,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:32:58,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:32:58,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:32:58,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:32:58,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:32:58,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:32:58,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:32:58,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:32:58,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:32:58,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:32:58,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:32:58,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:32:58,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:32:58,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:32:58,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:32:58,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:32:58,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:32:58,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:32:58,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:32:58,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:32:58,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:32:58,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:32:58,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:32:58,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:32:58,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:32:58,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:32:58,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:32:58,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:32:58,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:32:58,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:32:59,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:32:59,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:32:59,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:32:59,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:32:59,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:32:59,011 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:32:59,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:32:59,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:32:59,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:32:59,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:32:59,013 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:32:59,013 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:32:59,013 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:32:59,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:32:59,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:32:59,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:32:59,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:32:59,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:32:59,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:32:59,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:32:59,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:32:59,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:32:59,016 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:32:59,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:32:59,016 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_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef4a52e45666a829b602608a46cff9c8137910dd58bdfaebe016ce17984d1ac8 [2022-10-17 16:32:59,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:32:59,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:32:59,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:32:59,317 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:32:59,317 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:32:59,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c [2022-10-17 16:32:59,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/data/3ad20d282/a83ceb33beb242b4a0a7d9af615bd836/FLAG725a56bad [2022-10-17 16:32:59,830 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:32:59,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c [2022-10-17 16:32:59,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/data/3ad20d282/a83ceb33beb242b4a0a7d9af615bd836/FLAG725a56bad [2022-10-17 16:32:59,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/data/3ad20d282/a83ceb33beb242b4a0a7d9af615bd836 [2022-10-17 16:32:59,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:32:59,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:32:59,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:32:59,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:32:59,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:32:59,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:59" (1/1) ... [2022-10-17 16:32:59,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdb5a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:32:59, skipping insertion in model container [2022-10-17 16:32:59,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:32:59" (1/1) ... [2022-10-17 16:32:59,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:32:59,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:00,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:00,151 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:00,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:00,185 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:00,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00 WrapperNode [2022-10-17 16:33:00,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:00,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:00,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:00,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:00,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,233 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-10-17 16:33:00,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:00,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:00,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:00,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:00,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:00,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:00,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:00,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:00,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:00,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:00,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:00,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae80638-8750-4ef0-b7b7-d84633d827c4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:33:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:33:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:33:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:33:00,470 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:00,472 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:00,755 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:00,841 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:00,855 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:33:00,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:00 BoogieIcfgContainer [2022-10-17 16:33:00,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:00,858 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:00,859 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:00,868 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:00,868 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:00" (1/1) ... [2022-10-17 16:33:00,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:33:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:33:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:00,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:00,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:33:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:33:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:01,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-10-17 16:33:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-10-17 16:33:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:33:01,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:01,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:33:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:33:01,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:01,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:01,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 16:33:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 16:33:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:33:02,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:02,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2022-10-17 16:33:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2022-10-17 16:33:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:02,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:02,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2022-10-17 16:33:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2022-10-17 16:33:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:03,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2022-10-17 16:33:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2022-10-17 16:33:03,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:33:03,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:03,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2022-10-17 16:33:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2022-10-17 16:33:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:05,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2022-10-17 16:33:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2022-10-17 16:33:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:33:05,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:05,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:05,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2022-10-17 16:33:05,841 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2022-10-17 16:33:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:33:05,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:05,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2022-10-17 16:33:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2022-10-17 16:33:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:33:07,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:33:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2022-10-17 16:33:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2022-10-17 16:33:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:09,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:09,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:33:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 103 transitions. [2022-10-17 16:33:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2022-10-17 16:33:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:09,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:09,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:33:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 110 transitions. [2022-10-17 16:33:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2022-10-17 16:33:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:10,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 62 states and 116 transitions. [2022-10-17 16:33:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 116 transitions. [2022-10-17 16:33:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:11,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:33:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 63 states and 119 transitions. [2022-10-17 16:33:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2022-10-17 16:33:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:33:12,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2022-10-17 16:33:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2022-10-17 16:33:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:33:12,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:12,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:33:13,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 66 states and 122 transitions. [2022-10-17 16:33:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 122 transitions. [2022-10-17 16:33:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:33:13,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:33:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2022-10-17 16:33:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2022-10-17 16:33:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:14,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:14,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:33:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2022-10-17 16:33:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2022-10-17 16:33:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:15,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:15,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:33:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 85 states and 187 transitions. [2022-10-17 16:33:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 187 transitions. [2022-10-17 16:33:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:20,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:20,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 92 states and 204 transitions. [2022-10-17 16:33:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 204 transitions. [2022-10-17 16:33:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:24,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:33:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 101 states and 236 transitions. [2022-10-17 16:33:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 236 transitions. [2022-10-17 16:33:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:30,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:30,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:33:31,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 103 states and 237 transitions. [2022-10-17 16:33:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 237 transitions. [2022-10-17 16:33:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:31,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:31,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:33:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 105 states and 238 transitions. [2022-10-17 16:33:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 238 transitions. [2022-10-17 16:33:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:33:32,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:32,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.