./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- 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-b5237d8 [2022-11-21 22:45:19,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:45:19,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:45:19,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:45:19,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:45:19,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:45:19,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:45:19,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:45:19,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:45:19,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:45:19,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:45:19,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:45:19,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:45:19,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:45:19,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:45:19,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:45:19,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:45:19,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:45:19,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:45:19,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:45:19,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:45:19,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:45:19,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:45:19,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:45:19,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:45:19,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:45:19,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:45:19,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:45:19,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:45:19,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:45:19,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:45:19,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:45:19,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:45:19,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:45:19,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:45:19,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:45:19,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:45:19,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:45:19,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:45:19,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:45:19,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:45:19,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:45:19,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:45:19,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:45:19,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:45:19,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:45:19,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:45:19,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:45:19,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:45:19,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:45:19,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:45:19,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:45:19,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:45:19,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:45:19,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:45:19,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:45:19,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:45:19,279 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:45:19,279 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:45:19,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:45:19,280 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:45:19,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:45:19,280 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:45:19,281 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:45:19,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:45:19,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:45:19,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:45:19,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:45:19,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:45:19,282 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:45:19,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:45:19,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:45:19,283 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_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2022-11-21 22:45:19,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:45:19,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:45:19,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:45:19,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:45:19,607 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:45:19,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-11-21 22:45:22,673 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:45:23,010 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:45:23,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/sv-benchmarks/c/list-simple/sll2n_update_all.i [2022-11-21 22:45:23,023 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/data/17370e30f/6c2a72a93e044798a482a0d11d1f1227/FLAG9283d3d8e [2022-11-21 22:45:23,038 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/data/17370e30f/6c2a72a93e044798a482a0d11d1f1227 [2022-11-21 22:45:23,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:45:23,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:45:23,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:45:23,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:45:23,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:45:23,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f976c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23, skipping insertion in model container [2022-11-21 22:45:23,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:45:23,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:45:23,522 WARN L237 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_282ea57d-c87d-437b-9abb-6ef74a9adf7a/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-11-21 22:45:23,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:45:23,533 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:45:23,568 WARN L237 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_282ea57d-c87d-437b-9abb-6ef74a9adf7a/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2022-11-21 22:45:23,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:45:23,594 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:45:23,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23 WrapperNode [2022-11-21 22:45:23,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:45:23,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:45:23,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:45:23,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:45:23,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,640 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2022-11-21 22:45:23,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:45:23,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:45:23,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:45:23,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:45:23,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,667 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:45:23,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:45:23,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:45:23,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:45:23,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:45:23" (1/1) ... [2022-11-21 22:45:23,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:45:23,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:45:23,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:45:23,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:45:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:45:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:45:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:45:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:45:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 22:45:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 22:45:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:45:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:45:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:45:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:45:23,875 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:45:23,877 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:45:24,101 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:45:24,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:45:24,260 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 22:45:24,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:45:24 BoogieIcfgContainer [2022-11-21 22:45:24,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:45:24,272 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:45:24,272 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:45:24,282 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:45:24,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:45:24" (1/1) ... [2022-11-21 22:45:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:45:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-11-21 22:45:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-11-21 22:45:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:45:24,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:24,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-11-21 22:45:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-11-21 22:45:24,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:45:24,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:24,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:24,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2022-11-21 22:45:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-11-21 22:45:24,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:45:24,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:24,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2022-11-21 22:45:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-11-21 22:45:25,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:45:25,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:25,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-11-21 22:45:25,833 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-21 22:45:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:45:25,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:25,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2022-11-21 22:45:26,292 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-21 22:45:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:45:26,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:26,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2022-11-21 22:45:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-21 22:45:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:45:26,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:26,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:45:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2022-11-21 22:45:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-21 22:45:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:45:26,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:45:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-11-21 22:45:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-11-21 22:45:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:45:27,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2022-11-21 22:45:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-11-21 22:45:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:45:27,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:27,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:45:28,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions. [2022-11-21 22:45:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-11-21 22:45:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:45:28,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2022-11-21 22:45:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2022-11-21 22:45:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:45:28,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:28,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2022-11-21 22:45:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-11-21 22:45:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:45:29,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:29,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2022-11-21 22:45:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-21 22:45:29,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:45:29,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:29,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:45:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2022-11-21 22:45:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2022-11-21 22:45:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:45:30,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2022-11-21 22:45:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2022-11-21 22:45:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:45:31,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:45:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2022-11-21 22:45:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2022-11-21 22:45:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:45:31,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:31,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 69 states and 100 transitions. [2022-11-21 22:45:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2022-11-21 22:45:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:45:32,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:32,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:45:33,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2022-11-21 22:45:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2022-11-21 22:45:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:45:33,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2022-11-21 22:45:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2022-11-21 22:45:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:45:34,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:35,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 119 transitions. [2022-11-21 22:45:35,685 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2022-11-21 22:45:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:45:35,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:35,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 22:45:36,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 77 states and 117 transitions. [2022-11-21 22:45:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2022-11-21 22:45:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:45:36,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 22:45:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2022-11-21 22:45:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2022-11-21 22:45:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:45:36,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:36,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 22:45:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 124 transitions. [2022-11-21 22:45:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2022-11-21 22:45:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:45:36,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 82 states and 122 transitions. [2022-11-21 22:45:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2022-11-21 22:45:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:45:37,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:37,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 86 states and 129 transitions. [2022-11-21 22:45:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2022-11-21 22:45:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:45:38,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:38,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2022-11-21 22:45:39,226 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2022-11-21 22:45:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:45:39,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:39,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 22:45:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2022-11-21 22:45:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2022-11-21 22:45:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 22:45:39,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:39,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:45:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 92 states and 134 transitions. [2022-11-21 22:45:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2022-11-21 22:45:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:45:40,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:45:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 98 states and 140 transitions. [2022-11-21 22:45:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2022-11-21 22:45:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 22:45:41,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:41,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 106 states and 149 transitions. [2022-11-21 22:45:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2022-11-21 22:45:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:45:45,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:45:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-11-21 22:45:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-21 22:45:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:45:48,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:48,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 22:45:49,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2022-11-21 22:45:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-21 22:45:49,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:45:49,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:49,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 22:45:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2022-11-21 22:45:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-21 22:45:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:45:50,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-21 22:45:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2022-11-21 22:45:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2022-11-21 22:45:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 22:45:53,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:45:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2022-11-21 22:45:54,719 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-11-21 22:45:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 22:45:54,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 22:45:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2022-11-21 22:45:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2022-11-21 22:45:56,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 22:45:56,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:56,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:56,531 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:45:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2022-11-21 22:45:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-11-21 22:45:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 22:45:56,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:45:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2022-11-21 22:45:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2022-11-21 22:45:58,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:45:58,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:45:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 82 states and 110 transitions. [2022-11-21 22:45:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2022-11-21 22:45:59,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:45:59,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:46:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 87 states and 117 transitions. [2022-11-21 22:46:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2022-11-21 22:46:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 22:46:01,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:01,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 22:46:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2022-11-21 22:46:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2022-11-21 22:46:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 22:46:02,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:46:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 132 transitions. [2022-11-21 22:46:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2022-11-21 22:46:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 22:46:06,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:06,723 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 22:46:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2022-11-21 22:46:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2022-11-21 22:46:10,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:46:10,227 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2022-11-21 22:46:10,236 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-11-21 22:46:10,630 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-11-21 22:46:10,640 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:46:10,640 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:46:10,641 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-11-21 22:46:10,642 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-21 22:46:10,642 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:46:10,642 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 22:46:10,643 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-11-21 22:46:10,644 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-11-21 22:46:10,644 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-11-21 22:46:10,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:46:10 ImpRootNode [2022-11-21 22:46:10,646 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:46:10,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:46:10,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:46:10,646 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:46:10,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:45:24" (3/4) ... [2022-11-21 22:46:10,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:46:10,660 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-21 22:46:10,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 22:46:10,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:46:10,661 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:46:10,715 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:46:10,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:46:10,716 INFO L158 Benchmark]: Toolchain (without parser) took 47672.49ms. Allocated memory was 209.7MB in the beginning and 524.3MB in the end (delta: 314.6MB). Free memory was 175.0MB in the beginning and 229.1MB in the end (delta: -54.2MB). Peak memory consumption was 261.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,716 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:46:10,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.25ms. Allocated memory is still 209.7MB. Free memory was 175.0MB in the beginning and 157.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.91ms. Allocated memory is still 209.7MB. Free memory was 157.5MB in the beginning and 155.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,717 INFO L158 Benchmark]: Boogie Preprocessor took 30.29ms. Allocated memory is still 209.7MB. Free memory was 155.4MB in the beginning and 154.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,718 INFO L158 Benchmark]: RCFGBuilder took 599.20ms. Allocated memory is still 209.7MB. Free memory was 154.0MB in the beginning and 133.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,718 INFO L158 Benchmark]: CodeCheck took 46373.72ms. Allocated memory was 209.7MB in the beginning and 524.3MB in the end (delta: 314.6MB). Free memory was 133.7MB in the beginning and 233.3MB in the end (delta: -99.6MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,719 INFO L158 Benchmark]: Witness Printer took 68.95ms. Allocated memory is still 524.3MB. Free memory was 233.3MB in the beginning and 229.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:10,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 40 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 45.9s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5676 SdHoareTripleChecker+Valid, 32.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4377 mSDsluCounter, 1080 SdHoareTripleChecker+Invalid, 27.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 4844 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19070 IncrementalHoareTripleChecker+Invalid, 23914 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4844 mSolverCounterUnsat, 1014 mSDtfsCounter, 19070 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7524 GetRequests, 6947 SyntacticMatches, 111 SemanticMatches, 466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109622 ImplicationChecksByTransitivity, 38.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 1012 NumberOfCodeBlocks, 1012 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 969 ConstructedInterpolants, 0 QuantifiedInterpolants, 2471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 15 PerfectInterpolantSequences, 376/510 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((i + 1 <= len && len <= 2) && 2 <= len + i) || ((!(len + i <= 3) && 2 <= len) && len <= 2) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && index <= 1) && len <= 2) && index == i) || (((2 <= len && i == 0) && len <= 2) && index == 0)) || (((len <= i + 1 && 3 <= len + i) && i <= 1) && index == 0) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (i + 1 <= len && len <= 2) && 2 <= len + i - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((i + 1 <= len && len <= 2) && 2 <= len + i) || (!(len + i <= 3) && !(i + 1 <= len)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((2 <= len && 1 <= len) && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && len <= 2) && index <= 1) && index == i) || (((2 <= len && i == 0) && len <= 2) && index == 0)) || (((len <= i + 1 && 3 <= len + i) && index <= 0) && i <= 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.25ms. Allocated memory is still 209.7MB. Free memory was 175.0MB in the beginning and 157.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.91ms. Allocated memory is still 209.7MB. Free memory was 157.5MB in the beginning and 155.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.29ms. Allocated memory is still 209.7MB. Free memory was 155.4MB in the beginning and 154.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.20ms. Allocated memory is still 209.7MB. Free memory was 154.0MB in the beginning and 133.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 46373.72ms. Allocated memory was 209.7MB in the beginning and 524.3MB in the end (delta: 314.6MB). Free memory was 133.7MB in the beginning and 233.3MB in the end (delta: -99.6MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. * Witness Printer took 68.95ms. Allocated memory is still 524.3MB. Free memory was 233.3MB in the beginning and 229.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:46:10,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282ea57d-c87d-437b-9abb-6ef74a9adf7a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE