./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-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_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/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_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/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_ba745695-fe2f-4fa4-8ad6-89253fc3d804/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 5bf92ba2f935aadbe2c0ae3d366f72b4144ff6b8b5ce7c503e628d249b478be5 --- 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 16:46:17,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:17,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:17,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:17,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:17,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:17,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:17,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:17,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:17,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:17,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:17,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:17,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:17,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:17,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:17,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:17,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:17,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:17,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:17,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:17,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:17,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:17,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:17,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:17,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:17,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:17,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:17,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:17,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:17,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:17,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:17,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:17,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:17,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:17,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:17,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:17,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:17,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:17,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:17,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:17,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:17,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:46:17,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:17,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:17,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:17,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:17,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:17,581 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:17,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:17,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:17,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:17,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:17,584 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:46:17,584 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:46:17,584 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:46:17,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:17,585 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:17,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:17,586 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:17,586 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:17,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:17,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:17,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:17,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:17,588 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:17,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:17,588 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_ba745695-fe2f-4fa4-8ad6-89253fc3d804/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf92ba2f935aadbe2c0ae3d366f72b4144ff6b8b5ce7c503e628d249b478be5 [2022-10-17 16:46:17,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:17,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:17,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:17,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:17,930 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:17,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2022-10-17 16:46:18,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/data/bf5b9ecd8/51e8679c65364541b95c2cd3735366bc/FLAG5b53dcbde [2022-10-17 16:46:18,515 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:18,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i [2022-10-17 16:46:18,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/data/bf5b9ecd8/51e8679c65364541b95c2cd3735366bc/FLAG5b53dcbde [2022-10-17 16:46:18,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/data/bf5b9ecd8/51e8679c65364541b95c2cd3735366bc [2022-10-17 16:46:18,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:18,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:18,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:18,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:18,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:18,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:18" (1/1) ... [2022-10-17 16:46:18,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624f9715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:18, skipping insertion in model container [2022-10-17 16:46:18,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:18" (1/1) ... [2022-10-17 16:46:18,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:18,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:19,197 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_ba745695-fe2f-4fa4-8ad6-89253fc3d804/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i[24494,24507] [2022-10-17 16:46:19,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:19,208 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:19,258 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_ba745695-fe2f-4fa4-8ad6-89253fc3d804/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-2.i[24494,24507] [2022-10-17 16:46:19,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:19,307 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:19,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19 WrapperNode [2022-10-17 16:46:19,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:19,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:19,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:19,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:19,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,371 INFO L138 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 198 [2022-10-17 16:46:19,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:19,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:19,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:19,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:19,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:19,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:19,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:19,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:19,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:19" (1/1) ... [2022-10-17 16:46:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:19,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:19,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:19,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba745695-fe2f-4fa4-8ad6-89253fc3d804/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:46:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:19,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:46:19,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:46:19,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:46:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:19,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:19,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:19,626 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:19,628 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:20,072 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:20,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:20,241 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:46:20,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:20 BoogieIcfgContainer [2022-10-17 16:46:20,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:20,248 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:20,248 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:20,269 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:20,269 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:20" (1/1) ... [2022-10-17 16:46:20,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2022-10-17 16:46:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-10-17 16:46:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:20,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:20,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:20,558 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 16:46:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2022-10-17 16:46:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2022-10-17 16:46:20,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:46:20,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:20,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:20,837 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 16:46:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2022-10-17 16:46:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2022-10-17 16:46:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:46:20,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:20,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:21,032 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 16:46:21,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2022-10-17 16:46:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2022-10-17 16:46:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:46:21,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:21,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:21,194 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 16:46:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2022-10-17 16:46:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2022-10-17 16:46:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:21,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:21,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:21,344 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 16:46:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2022-10-17 16:46:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2022-10-17 16:46:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:46:21,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:21,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:21,623 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 16:46:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 99 transitions. [2022-10-17 16:46:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-10-17 16:46:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:46:21,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:21,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 85 states and 112 transitions. [2022-10-17 16:46:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2022-10-17 16:46:22,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:46:22,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:22,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:23,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 89 states and 121 transitions. [2022-10-17 16:46:23,354 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2022-10-17 16:46:23,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:46:23,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2022-10-17 16:46:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2022-10-17 16:46:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:46:23,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:23,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 100 states and 139 transitions. [2022-10-17 16:46:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2022-10-17 16:46:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:25,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:25,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 100 states and 138 transitions. [2022-10-17 16:46:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2022-10-17 16:46:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:46:25,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 100 states and 135 transitions. [2022-10-17 16:46:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 135 transitions. [2022-10-17 16:46:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:25,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:25,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 104 states and 143 transitions. [2022-10-17 16:46:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2022-10-17 16:46:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:46:27,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:27,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:28,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 106 states and 144 transitions. [2022-10-17 16:46:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2022-10-17 16:46:28,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:46:28,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:29,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 106 states and 142 transitions. [2022-10-17 16:46:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 142 transitions. [2022-10-17 16:46:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:46:29,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:29,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:46:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 98 states and 130 transitions. [2022-10-17 16:46:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2022-10-17 16:46:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:46:30,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:30,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 90 states and 118 transitions. [2022-10-17 16:46:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2022-10-17 16:46:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:46:32,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:32,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 94 states and 129 transitions. [2022-10-17 16:46:35,544 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2022-10-17 16:46:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:35,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:46:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 87 states and 117 transitions. [2022-10-17 16:46:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2022-10-17 16:46:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:46:36,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:46:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 91 states and 124 transitions. [2022-10-17 16:46:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2022-10-17 16:46:37,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:46:37,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 98 states and 138 transitions. [2022-10-17 16:46:42,825 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2022-10-17 16:46:42,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:46:42,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:42,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:51,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 105 states and 152 transitions. [2022-10-17 16:46:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 152 transitions. [2022-10-17 16:46:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:46:51,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat