./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.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_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/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_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/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_23d56676-4045-460a-81a8-f4a47fb5f2fd/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 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- 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 16:47:02,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:02,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:02,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:02,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:02,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:02,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:02,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:02,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:02,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:02,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:02,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:02,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:02,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:02,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:02,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:02,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:02,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:02,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:02,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:02,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:02,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:02,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:02,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:02,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:02,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:02,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:02,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:02,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:02,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:02,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:02,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:02,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:02,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:02,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:02,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:02,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:02,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:02,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:02,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:02,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:02,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:47:02,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:02,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:02,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:02,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:02,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:02,408 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:02,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:47:02,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:02,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:02,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:02,411 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:47:02,411 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:47:02,412 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:47:02,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:02,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:02,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:02,413 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:02,413 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:02,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:02,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:02,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:02,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:02,415 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:02,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:02,416 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_23d56676-4045-460a-81a8-f4a47fb5f2fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2022-10-17 16:47:02,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:02,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:02,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:02,787 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:02,788 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:02,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2022-10-17 16:47:02,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/data/f7d9e1d2f/b8aaf21046b64784894d74f22bfa8a96/FLAGb269135f0 [2022-10-17 16:47:03,591 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:03,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2022-10-17 16:47:03,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/data/f7d9e1d2f/b8aaf21046b64784894d74f22bfa8a96/FLAGb269135f0 [2022-10-17 16:47:03,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/data/f7d9e1d2f/b8aaf21046b64784894d74f22bfa8a96 [2022-10-17 16:47:03,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:03,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:03,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:03,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:03,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:03,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:03" (1/1) ... [2022-10-17 16:47:03,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f215139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:03, skipping insertion in model container [2022-10-17 16:47:03,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:03" (1/1) ... [2022-10-17 16:47:03,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:03,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:04,314 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_23d56676-4045-460a-81a8-f4a47fb5f2fd/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2022-10-17 16:47:04,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:04,335 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:04,378 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_23d56676-4045-460a-81a8-f4a47fb5f2fd/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2022-10-17 16:47:04,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:04,409 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:04,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04 WrapperNode [2022-10-17 16:47:04,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:04,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:04,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:04,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:04,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,485 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2022-10-17 16:47:04,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:04,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:04,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:04,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:04,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:04,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:04,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:04,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:04,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:04,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:04,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:04,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23d56676-4045-460a-81a8-f4a47fb5f2fd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:47:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:47:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:47:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:47:04,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:47:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:04,817 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:04,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:05,484 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:05,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:05,593 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:47:05,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:05 BoogieIcfgContainer [2022-10-17 16:47:05,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:05,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:05,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:05,611 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:05,612 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:05" (1/1) ... [2022-10-17 16:47:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2022-10-17 16:47:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2022-10-17 16:47:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:47:05,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,024 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 16:47:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2022-10-17 16:47:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-10-17 16:47:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:47:06,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,290 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 16:47:06,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2022-10-17 16:47:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2022-10-17 16:47:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:06,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,498 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 16:47:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2022-10-17 16:47:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-10-17 16:47:06,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:06,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,668 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 16:47:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2022-10-17 16:47:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-10-17 16:47:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:47:06,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2022-10-17 16:47:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-10-17 16:47:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:47:06,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,924 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 16:47:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2022-10-17 16:47:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-10-17 16:47:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:06,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,037 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 16:47:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 87 transitions. [2022-10-17 16:47:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2022-10-17 16:47:07,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:07,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2022-10-17 16:47:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2022-10-17 16:47:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:07,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,428 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 16:47:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2022-10-17 16:47:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2022-10-17 16:47:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:47:07,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,606 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 16:47:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2022-10-17 16:47:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-10-17 16:47:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:47:07,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,747 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 16:47:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-10-17 16:47:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-10-17 16:47:07,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:07,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,992 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 16:47:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2022-10-17 16:47:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-10-17 16:47:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:08,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,098 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 16:47:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2022-10-17 16:47:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-10-17 16:47:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:47:08,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,211 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 16:47:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2022-10-17 16:47:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-10-17 16:47:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:47:08,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,393 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 16:47:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2022-10-17 16:47:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-10-17 16:47:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:08,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,776 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 16:47:09,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2022-10-17 16:47:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-10-17 16:47:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:47:09,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:09,689 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 16:47:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2022-10-17 16:47:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2022-10-17 16:47:10,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:47:10,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:10,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 90 states and 113 transitions. [2022-10-17 16:47:12,147 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2022-10-17 16:47:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:12,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:12,378 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 16:47:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2022-10-17 16:47:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2022-10-17 16:47:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:47:14,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:14,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:14,588 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 16:47:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 112 states and 174 transitions. [2022-10-17 16:47:17,501 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 174 transitions. [2022-10-17 16:47:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:17,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:17,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2022-10-17 16:47:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2022-10-17 16:47:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:19,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:19,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2022-10-17 16:47:21,706 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2022-10-17 16:47:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:21,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:21,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 136 states and 246 transitions. [2022-10-17 16:47:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2022-10-17 16:47:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:25,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:25,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:47:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 252 transitions. [2022-10-17 16:47:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2022-10-17 16:47:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:47:26,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 142 states and 261 transitions. [2022-10-17 16:47:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2022-10-17 16:47:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:28,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:28,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.