./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-sorted-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_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/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_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/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_debc1222-eca0-4599-9813-8112feb2b18e/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 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 --- 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 16:44:32,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:32,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:32,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:32,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:32,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:32,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:32,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:32,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:32,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:32,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:32,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:32,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:32,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:32,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:32,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:32,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:32,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:32,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:32,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:32,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:32,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:32,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:32,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:32,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:32,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:32,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:32,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:32,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:32,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:32,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:32,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:32,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:32,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:32,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:32,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:32,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:32,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:32,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:32,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:32,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:32,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:44:32,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:32,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:32,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:32,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:32,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:32,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:32,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:44:32,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:32,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:32,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:32,661 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:44:32,662 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:44:32,662 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:44:32,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:32,663 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:32,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:32,663 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:32,663 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:32,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:32,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:32,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:32,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:32,665 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:32,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:32,665 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_debc1222-eca0-4599-9813-8112feb2b18e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 [2022-10-17 16:44:32,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:33,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:33,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:33,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:33,009 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:33,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2022-10-17 16:44:33,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/data/3035f021e/02a3c385597f4b419d068889d300e831/FLAG217e9a66b [2022-10-17 16:44:33,678 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:33,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2022-10-17 16:44:33,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/data/3035f021e/02a3c385597f4b419d068889d300e831/FLAG217e9a66b [2022-10-17 16:44:33,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/data/3035f021e/02a3c385597f4b419d068889d300e831 [2022-10-17 16:44:33,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:33,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:33,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:33,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:33,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:33,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:33" (1/1) ... [2022-10-17 16:44:33,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79533647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:33, skipping insertion in model container [2022-10-17 16:44:33,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:33" (1/1) ... [2022-10-17 16:44:33,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:33,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:34,393 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2022-10-17 16:44:34,402 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2022-10-17 16:44:34,411 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2022-10-17 16:44:34,412 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2022-10-17 16:44:34,415 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2022-10-17 16:44:34,416 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2022-10-17 16:44:34,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:34,438 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:34,494 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2022-10-17 16:44:34,508 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2022-10-17 16:44:34,516 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2022-10-17 16:44:34,520 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2022-10-17 16:44:34,522 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2022-10-17 16:44:34,529 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_debc1222-eca0-4599-9813-8112feb2b18e/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2022-10-17 16:44:34,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:34,576 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:34,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34 WrapperNode [2022-10-17 16:44:34,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:34,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:34,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:34,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:34,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,661 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 197 [2022-10-17 16:44:34,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:34,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:34,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:34,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:34,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:34,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:34,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:34,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:34,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:34" (1/1) ... [2022-10-17 16:44:34,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:34,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:34,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:34,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_debc1222-eca0-4599-9813-8112feb2b18e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:44:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:34,989 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:34,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:35,652 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:35,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:35,765 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-10-17 16:44:35,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:35 BoogieIcfgContainer [2022-10-17 16:44:35,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:35,771 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:35,772 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:35,784 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:35,785 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:35" (1/1) ... [2022-10-17 16:44:35,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 155 states and 186 transitions. [2022-10-17 16:44:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2022-10-17 16:44:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:44:35,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:35,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,068 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 16:44:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 154 states and 185 transitions. [2022-10-17 16:44:36,098 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2022-10-17 16:44:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:44:36,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,190 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 16:44:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 153 states and 184 transitions. [2022-10-17 16:44:36,285 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2022-10-17 16:44:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:36,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,350 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 16:44:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 152 states and 183 transitions. [2022-10-17 16:44:36,385 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2022-10-17 16:44:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:44:36,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,525 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 16:44:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 151 states and 182 transitions. [2022-10-17 16:44:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2022-10-17 16:44:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:36,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,617 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 16:44:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 150 states and 181 transitions. [2022-10-17 16:44:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 181 transitions. [2022-10-17 16:44:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:44:36,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,773 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 16:44:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 149 states and 180 transitions. [2022-10-17 16:44:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2022-10-17 16:44:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:36,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:36,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:36,985 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 16:44:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 148 states and 178 transitions. [2022-10-17 16:44:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2022-10-17 16:44:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:44:37,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,305 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 16:44:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 151 states and 184 transitions. [2022-10-17 16:44:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2022-10-17 16:44:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:37,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,493 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 16:44:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 150 states and 183 transitions. [2022-10-17 16:44:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-10-17 16:44:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:44:37,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,662 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 16:44:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2022-10-17 16:44:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2022-10-17 16:44:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:37,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,873 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 16:44:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 153 states and 186 transitions. [2022-10-17 16:44:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 186 transitions. [2022-10-17 16:44:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:38,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:38,356 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 16:44:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 155 states and 191 transitions. [2022-10-17 16:44:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2022-10-17 16:44:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:44:38,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:39,047 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 16:44:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2022-10-17 16:44:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2022-10-17 16:44:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:44:39,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:39,991 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 16:44:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 158 states and 196 transitions. [2022-10-17 16:44:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 196 transitions. [2022-10-17 16:44:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:44:40,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:40,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:40,276 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 16:44:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2022-10-17 16:44:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2022-10-17 16:44:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:44:40,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:40,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:40,974 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 16:44:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 162 states and 203 transitions. [2022-10-17 16:44:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 203 transitions. [2022-10-17 16:44:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:44:42,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:42,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:43,047 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 16:44:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 164 states and 207 transitions. [2022-10-17 16:44:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-10-17 16:44:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:44,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:44,206 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 16:44:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 163 states and 206 transitions. [2022-10-17 16:44:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 206 transitions. [2022-10-17 16:44:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:44,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:44,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:45,051 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 16:44:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2022-10-17 16:44:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2022-10-17 16:44:46,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:46,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:46,759 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 16:44:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 166 states and 214 transitions. [2022-10-17 16:44:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 214 transitions. [2022-10-17 16:44:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:46,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:46,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,201 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 16:44:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:47,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 137 states and 166 transitions. [2022-10-17 16:44:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 166 transitions. [2022-10-17 16:44:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:44:47,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:47,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:47,812 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 16:44:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2022-10-17 16:44:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2022-10-17 16:44:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:44:51,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:51,226 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 16:44:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 150 states and 182 transitions. [2022-10-17 16:44:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 182 transitions. [2022-10-17 16:44:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:44:51,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:51,969 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 16:44:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 166 states and 206 transitions. [2022-10-17 16:44:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 206 transitions. [2022-10-17 16:44:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:44:56,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:56,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:56,817 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 16:45:01,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 182 states and 230 transitions. [2022-10-17 16:45:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2022-10-17 16:45:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:45:01,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,370 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 16:45:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 184 states and 234 transitions. [2022-10-17 16:45:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 234 transitions. [2022-10-17 16:45:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:45:01,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,450 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 16:45:01,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 184 states and 233 transitions. [2022-10-17 16:45:01,612 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 233 transitions. [2022-10-17 16:45:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:01,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,653 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 16:45:01,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 186 states and 237 transitions. [2022-10-17 16:45:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2022-10-17 16:45:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:01,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,741 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 16:45:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 188 states and 242 transitions. [2022-10-17 16:45:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2022-10-17 16:45:01,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:01,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:01,974 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 16:45:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 243 transitions. [2022-10-17 16:45:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2022-10-17 16:45:02,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:02,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:02,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat