./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.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_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/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_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/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_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/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 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 --- 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 16:55:55,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:55,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:55,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:55,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:55,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:55,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:55,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:55,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:55,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:55,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:55,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:55,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:55,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:55,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:55,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:55,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:55,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:55,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:55,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:55,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:55,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:55,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:55,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:55,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:55,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:55,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:55,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:55,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:55,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:55,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:55,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:55,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:55,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:55,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:55,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:55,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:55,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:55,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:55,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:55,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:55,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:55:55,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:55,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:55,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:55,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:55,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:55,423 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:55,423 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:55:55,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:55,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:55,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:55,424 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:55:55,424 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:55:55,424 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:55:55,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:55,424 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:55,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:55,425 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:55,425 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:55,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:55,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:55,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:55,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:55,426 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:55,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:55,431 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_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b4637ab5710a1ca22a981e8047278048fbbf856825d3649b2cb9d48de11d175 [2022-10-17 16:55:55,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:55,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:55,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:55,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:55,778 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:55,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-10-17 16:55:55,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/data/febde8b8f/bb98d1c8d7f94794b01e91279a058eea/FLAG70aa69ff3 [2022-10-17 16:55:56,458 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:56,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i [2022-10-17 16:55:56,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/data/febde8b8f/bb98d1c8d7f94794b01e91279a058eea/FLAG70aa69ff3 [2022-10-17 16:55:56,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/data/febde8b8f/bb98d1c8d7f94794b01e91279a058eea [2022-10-17 16:55:56,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:56,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:56,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:56,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:56,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:56,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:56" (1/1) ... [2022-10-17 16:55:56,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd39f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:56, skipping insertion in model container [2022-10-17 16:55:56,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:56" (1/1) ... [2022-10-17 16:55:56,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:56,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:57,295 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_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-10-17 16:55:57,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:57,321 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:57,397 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_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/sv-benchmarks/c/list-ext3-properties/dll_nullified-2.i[23974,23987] [2022-10-17 16:55:57,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:57,440 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:57,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57 WrapperNode [2022-10-17 16:55:57,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:57,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:57,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:57,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:57,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,535 INFO L138 Inliner]: procedures = 122, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2022-10-17 16:55:57,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:57,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:57,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:57,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:57,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,599 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:57,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:57,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:57,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:57,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:57" (1/1) ... [2022-10-17 16:55:57,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:57,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:57,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:57,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f0979f1-8fe6-4516-9bfd-62c4fdc200d8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:55:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:55:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:55:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:55:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:55:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:57,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:57,842 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:57,845 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:58,383 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:58,470 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:58,470 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:55:58,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:58 BoogieIcfgContainer [2022-10-17 16:55:58,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:58,475 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:58,475 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:58,489 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:58,489 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:58" (1/1) ... [2022-10-17 16:55:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-10-17 16:55:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-10-17 16:55:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:55:58,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:58,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:58,777 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 16:55:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2022-10-17 16:55:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-10-17 16:55:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:55:58,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:58,891 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 16:55:58,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-10-17 16:55:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-10-17 16:55:58,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:55:58,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:58,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,060 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 16:55:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2022-10-17 16:55:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-10-17 16:55:59,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:55:59,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,250 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 16:55:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2022-10-17 16:55:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-10-17 16:55:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:55:59,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,372 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 16:55:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2022-10-17 16:55:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-10-17 16:55:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:59,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,658 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 16:55:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2022-10-17 16:55:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-10-17 16:55:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:59,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,795 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 16:55:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2022-10-17 16:55:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-10-17 16:55:59,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:59,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:59,911 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 16:55:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 66 states and 77 transitions. [2022-10-17 16:55:59,937 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2022-10-17 16:55:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:59,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:59,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,089 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 16:56:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-10-17 16:56:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-10-17 16:56:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:56:00,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,287 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 16:56:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2022-10-17 16:56:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2022-10-17 16:56:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:56:00,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,411 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 16:56:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:00,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2022-10-17 16:56:00,508 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-10-17 16:56:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:56:00,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:00,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:00,581 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 16:56:01,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-10-17 16:56:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-10-17 16:56:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:56:01,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:01,112 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 16:56:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2022-10-17 16:56:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2022-10-17 16:56:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:56:01,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:01,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:01,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 90 states and 114 transitions. [2022-10-17 16:56:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2022-10-17 16:56:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:56:02,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:02,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:04,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 100 states and 134 transitions. [2022-10-17 16:56:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2022-10-17 16:56:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:56:04,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:04,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 102 states and 137 transitions. [2022-10-17 16:56:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2022-10-17 16:56:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:56:05,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:05,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:56:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 105 states and 147 transitions. [2022-10-17 16:56:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2022-10-17 16:56:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:56:06,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:06,893 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 115 states and 162 transitions. [2022-10-17 16:56:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 162 transitions. [2022-10-17 16:56:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:56:08,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:08,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 116 states and 168 transitions. [2022-10-17 16:56:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2022-10-17 16:56:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:56:09,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:09,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 117 states and 170 transitions. [2022-10-17 16:56:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2022-10-17 16:56:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:56:10,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:10,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:56:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 118 states and 172 transitions. [2022-10-17 16:56:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2022-10-17 16:56:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:56:11,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 119 states and 173 transitions. [2022-10-17 16:56:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 173 transitions. [2022-10-17 16:56:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:56:11,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:11,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:12,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:12,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 119 states and 171 transitions. [2022-10-17 16:56:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2022-10-17 16:56:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:56:12,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:12,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 120 states and 174 transitions. [2022-10-17 16:56:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2022-10-17 16:56:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:56:12,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 121 states and 174 transitions. [2022-10-17 16:56:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 174 transitions. [2022-10-17 16:56:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:56:13,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:13,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 190 transitions. [2022-10-17 16:56:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2022-10-17 16:56:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:56:15,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:15,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:56:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:16,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 133 states and 195 transitions. [2022-10-17 16:56:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2022-10-17 16:56:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:56:16,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:56:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 135 states and 198 transitions. [2022-10-17 16:56:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 198 transitions. [2022-10-17 16:56:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:56:17,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:17,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 145 states and 211 transitions. [2022-10-17 16:56:19,776 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 211 transitions. [2022-10-17 16:56:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:56:19,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:19,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:56:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 147 states and 216 transitions. [2022-10-17 16:56:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2022-10-17 16:56:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:56:21,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:21,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:56:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 102 states and 114 transitions. [2022-10-17 16:56:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2022-10-17 16:56:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:56:23,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-10-17 16:56:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2022-10-17 16:56:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2022-10-17 16:56:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:56:25,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:25,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms