./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i --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_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/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_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/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_01a542d4-7af7-4f48-949e-12d84befd4af/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 fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 --- 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 17:02:48,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:48,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:48,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:48,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:48,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:48,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:48,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:48,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:48,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:48,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:48,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:48,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:48,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:48,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:48,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:48,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:48,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:48,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:48,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:48,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:48,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:48,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:48,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:48,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:48,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:48,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:48,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:48,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:48,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:48,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:48,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:48,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:48,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:48,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:48,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:48,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:48,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:48,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:48,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:48,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:48,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:02:48,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:48,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:49,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:49,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:49,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:49,002 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:49,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:49,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:49,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:49,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:49,005 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:02:49,005 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:02:49,005 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:02:49,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:49,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:49,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:49,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:49,007 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:49,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:49,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:49,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:49,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:49,008 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:49,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:49,009 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_01a542d4-7af7-4f48-949e-12d84befd4af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 [2022-10-17 17:02:49,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:49,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:49,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:49,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:49,389 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:49,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2022-10-17 17:02:49,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/data/ce6fcbecf/bfaa747e292c4692adcc97fc40a8e5c8/FLAG202b3d8e6 [2022-10-17 17:02:49,961 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:49,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2022-10-17 17:02:49,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/data/ce6fcbecf/bfaa747e292c4692adcc97fc40a8e5c8/FLAG202b3d8e6 [2022-10-17 17:02:50,262 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/data/ce6fcbecf/bfaa747e292c4692adcc97fc40a8e5c8 [2022-10-17 17:02:50,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:50,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:50,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:50,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:50,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:50,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5189d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50, skipping insertion in model container [2022-10-17 17:02:50,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:50,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:50,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2022-10-17 17:02:50,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:50,682 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:50,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2022-10-17 17:02:50,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:50,761 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:50,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50 WrapperNode [2022-10-17 17:02:50,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:50,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:50,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:50,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:50,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,816 INFO L138 Inliner]: procedures = 129, calls = 39, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 191 [2022-10-17 17:02:50,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:50,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:50,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:50,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:50,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:50,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:50,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:50,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:50,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:50" (1/1) ... [2022-10-17 17:02:50,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:50,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:50,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:50,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a542d4-7af7-4f48-949e-12d84befd4af/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:02:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:02:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:02:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:02:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:51,061 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:51,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:51,704 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:51,801 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:51,801 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 17:02:51,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:51 BoogieIcfgContainer [2022-10-17 17:02:51,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:51,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:51,810 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:51,821 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:51,822 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:51" (1/1) ... [2022-10-17 17:02:51,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2022-10-17 17:02:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2022-10-17 17:02:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:02:51,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,158 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 17:02:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2022-10-17 17:02:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2022-10-17 17:02:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:02:52,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,314 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 17:02:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2022-10-17 17:02:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2022-10-17 17:02:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:52,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,443 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 17:02:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2022-10-17 17:02:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2022-10-17 17:02:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:52,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:52,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2022-10-17 17:02:52,685 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2022-10-17 17:02:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:52,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,798 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 17:02:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 101 states and 125 transitions. [2022-10-17 17:02:52,878 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2022-10-17 17:02:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:52,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,979 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 17:02:53,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2022-10-17 17:02:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2022-10-17 17:02:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:53,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,154 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 17:02:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 108 states and 141 transitions. [2022-10-17 17:02:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 141 transitions. [2022-10-17 17:02:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:53,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,635 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 17:02:53,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 107 states and 140 transitions. [2022-10-17 17:02:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2022-10-17 17:02:53,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:53,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,814 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 17:02:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2022-10-17 17:02:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2022-10-17 17:02:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:54,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 109 states and 145 transitions. [2022-10-17 17:02:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2022-10-17 17:02:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:54,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 110 states and 147 transitions. [2022-10-17 17:02:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 147 transitions. [2022-10-17 17:02:54,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:54,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:54,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 114 states and 155 transitions. [2022-10-17 17:02:55,159 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 155 transitions. [2022-10-17 17:02:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:55,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 115 states and 157 transitions. [2022-10-17 17:02:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 157 transitions. [2022-10-17 17:02:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:55,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:55,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:02:55,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 118 states and 162 transitions. [2022-10-17 17:02:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 162 transitions. [2022-10-17 17:02:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:55,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 167 transitions. [2022-10-17 17:02:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2022-10-17 17:02:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:55,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 124 states and 171 transitions. [2022-10-17 17:02:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 171 transitions. [2022-10-17 17:02:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:56,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 125 states and 172 transitions. [2022-10-17 17:02:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 172 transitions. [2022-10-17 17:02:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:56,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:56,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:02:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 139 states and 198 transitions. [2022-10-17 17:02:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions. [2022-10-17 17:02:58,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:58,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:02:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 142 states and 203 transitions. [2022-10-17 17:02:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 203 transitions. [2022-10-17 17:02:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:58,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 146 states and 209 transitions. [2022-10-17 17:02:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2022-10-17 17:02:59,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:59,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:03:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 141 states and 200 transitions. [2022-10-17 17:03:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 200 transitions. [2022-10-17 17:03:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:03:01,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:01,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 149 states and 214 transitions. [2022-10-17 17:03:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 214 transitions. [2022-10-17 17:03:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:05,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:05,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2022-10-17 17:03:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2022-10-17 17:03:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:05,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:05,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 153 states and 223 transitions. [2022-10-17 17:03:06,034 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 223 transitions. [2022-10-17 17:03:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:06,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:06,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2022-10-17 17:03:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2022-10-17 17:03:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:06,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 153 states and 224 transitions. [2022-10-17 17:03:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 224 transitions. [2022-10-17 17:03:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:03:06,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:06,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 168 states and 248 transitions. [2022-10-17 17:03:10,506 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 248 transitions. [2022-10-17 17:03:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:03:10,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 167 states and 247 transitions. [2022-10-17 17:03:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 247 transitions. [2022-10-17 17:03:10,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:03:10,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 168 states and 248 transitions. [2022-10-17 17:03:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 248 transitions. [2022-10-17 17:03:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:11,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:11,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 186 states and 279 transitions. [2022-10-17 17:03:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 279 transitions. [2022-10-17 17:03:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:16,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:16,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:03:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 189 states and 284 transitions. [2022-10-17 17:03:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 284 transitions. [2022-10-17 17:03:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:18,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:18,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.