./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e --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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:55:29,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:55:29,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:55:29,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:55:29,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:55:29,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:55:29,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:55:29,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:55:29,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:55:29,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:55:29,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:55:29,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:55:29,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:55:29,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:55:29,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:55:29,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:55:29,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:55:29,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:55:29,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:55:29,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:55:29,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:55:29,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:55:29,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:55:29,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:55:29,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:55:29,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:55:29,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:55:29,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:55:29,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:55:29,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:55:29,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:55:29,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:55:29,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:55:29,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:55:29,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:55:29,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:55:29,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:55:29,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:55:29,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:55:29,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:55:29,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:55:29,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:55:29,419 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:55:29,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:55:29,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:55:29,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:55:29,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:55:29,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:55:29,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:55:29,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:55:29,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:55:29,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:55:29,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:55:29,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:55:29,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:55:29,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:55:29,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:55:29,432 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:55:29,449 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:55:29,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:55:29,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:55:29,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:55:29,450 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:55:29,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:55:29,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:55:29,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:55:29,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:55:29,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:55:29,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:55:29,452 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:55:29,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:55:29,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:55:29,453 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_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2021-11-13 23:55:29,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:55:29,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:55:29,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:55:29,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:55:29,792 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:55:29,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2021-11-13 23:55:29,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/data/de9261548/1c6b6260919345a39546d7dbb56df743/FLAGd72f54487 [2021-11-13 23:55:30,467 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:55:30,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2021-11-13 23:55:30,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/data/de9261548/1c6b6260919345a39546d7dbb56df743/FLAGd72f54487 [2021-11-13 23:55:30,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/data/de9261548/1c6b6260919345a39546d7dbb56df743 [2021-11-13 23:55:30,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:55:30,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:55:30,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:55:30,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:55:30,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:55:30,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:55:30" (1/1) ... [2021-11-13 23:55:30,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799b304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:30, skipping insertion in model container [2021-11-13 23:55:30,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:55:30" (1/1) ... [2021-11-13 23:55:30,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:55:30,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:55:31,350 WARN L228 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_64c874e3-83c8-47cc-9965-2257e28ff51e/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2021-11-13 23:55:31,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:55:31,483 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:55:31,514 WARN L228 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_64c874e3-83c8-47cc-9965-2257e28ff51e/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i[33021,33034] [2021-11-13 23:55:31,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:55:31,663 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:55:31,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31 WrapperNode [2021-11-13 23:55:31,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:55:31,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:55:31,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:55:31,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:55:31,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:55:31,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:55:31,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:55:31,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:55:31,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:55:31,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:55:31,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:55:31,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:55:31,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:55:31" (1/1) ... [2021-11-13 23:55:31,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:55:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:55:32,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:55:32,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:55:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:55:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 23:55:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 23:55:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 23:55:32,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:55:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:55:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:55:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:55:34,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:55:34,435 INFO L299 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-13 23:55:34,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:55:34 BoogieIcfgContainer [2021-11-13 23:55:34,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:55:34,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:55:34,440 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:55:34,449 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:55:34,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:55:34" (1/1) ... [2021-11-13 23:55:34,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:55:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2021-11-13 23:55:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2021-11-13 23:55:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:55:34,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:34,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:34,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:34,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:34,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2021-11-13 23:55:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2021-11-13 23:55:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:55:34,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:34,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:34,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:34,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:34,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 162 states and 280 transitions. [2021-11-13 23:55:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2021-11-13 23:55:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:55:34,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:34,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:34,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:34,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:34,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 276 transitions. [2021-11-13 23:55:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2021-11-13 23:55:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:55:34,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:34,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:35,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:35,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 162 states and 268 transitions. [2021-11-13 23:55:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 268 transitions. [2021-11-13 23:55:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:55:35,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:35,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:35,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:35,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2021-11-13 23:55:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2021-11-13 23:55:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:55:35,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:35,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:35,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:35,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 162 states and 244 transitions. [2021-11-13 23:55:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 244 transitions. [2021-11-13 23:55:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:55:35,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:35,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:35,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:35,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 207 states and 300 transitions. [2021-11-13 23:55:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2021-11-13 23:55:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:55:36,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:36,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:36,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:36,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 207 states and 298 transitions. [2021-11-13 23:55:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 298 transitions. [2021-11-13 23:55:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:55:36,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:36,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:36,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:36,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 207 states and 296 transitions. [2021-11-13 23:55:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 296 transitions. [2021-11-13 23:55:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:55:36,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:36,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:36,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:36,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 253 states and 354 transitions. [2021-11-13 23:55:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2021-11-13 23:55:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:55:37,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:37,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:37,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:37,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:37,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 253 states and 352 transitions. [2021-11-13 23:55:37,700 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2021-11-13 23:55:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:55:37,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:37,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:37,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:37,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:37,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 253 states and 350 transitions. [2021-11-13 23:55:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2021-11-13 23:55:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:55:37,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:37,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:38,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 253 states and 348 transitions. [2021-11-13 23:55:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 348 transitions. [2021-11-13 23:55:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:55:38,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:38,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:38,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:38,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 253 states and 346 transitions. [2021-11-13 23:55:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2021-11-13 23:55:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:55:38,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:38,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:38,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:38,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 287 states and 388 transitions. [2021-11-13 23:55:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2021-11-13 23:55:38,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:55:39,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:39,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:39,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:39,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:39,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 290 states and 390 transitions. [2021-11-13 23:55:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 390 transitions. [2021-11-13 23:55:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:55:39,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:39,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:39,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:39,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:39,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 290 states and 388 transitions. [2021-11-13 23:55:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 388 transitions. [2021-11-13 23:55:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:55:39,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:39,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:39,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:39,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 293 states and 390 transitions. [2021-11-13 23:55:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 390 transitions. [2021-11-13 23:55:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:55:39,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:39,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:39,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:39,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 296 states and 392 transitions. [2021-11-13 23:55:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 392 transitions. [2021-11-13 23:55:40,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:55:40,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:40,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:40,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:40,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 299 states and 394 transitions. [2021-11-13 23:55:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 394 transitions. [2021-11-13 23:55:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:55:40,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:40,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:40,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:40,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 302 states and 396 transitions. [2021-11-13 23:55:40,752 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2021-11-13 23:55:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:55:40,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:40,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:40,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:40,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:55:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 305 states and 398 transitions. [2021-11-13 23:55:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2021-11-13 23:55:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:55:41,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:41,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:41,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:41,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-13 23:55:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-13 23:55:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:55:41,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:41,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:41,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:41,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 314 states and 408 transitions. [2021-11-13 23:55:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 408 transitions. [2021-11-13 23:55:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:55:42,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:42,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:42,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:42,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:55:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 323 states and 418 transitions. [2021-11-13 23:55:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 418 transitions. [2021-11-13 23:55:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:55:42,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:42,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:42,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:42,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:55:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 332 states and 428 transitions. [2021-11-13 23:55:42,632 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 428 transitions. [2021-11-13 23:55:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:55:42,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:42,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:42,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:42,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:43,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 341 states and 439 transitions. [2021-11-13 23:55:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 439 transitions. [2021-11-13 23:55:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:55:43,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:43,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:43,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:43,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:55:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 350 states and 449 transitions. [2021-11-13 23:55:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 449 transitions. [2021-11-13 23:55:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:55:43,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:43,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:43,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:43,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:55:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 359 states and 459 transitions. [2021-11-13 23:55:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 459 transitions. [2021-11-13 23:55:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:55:44,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:44,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:44,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:44,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2021-11-13 23:55:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2021-11-13 23:55:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:55:44,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:44,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:44,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:44,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:55:45,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 369 states and 472 transitions. [2021-11-13 23:55:45,323 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 472 transitions. [2021-11-13 23:55:45,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:55:45,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:45,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:45,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:45,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:55:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:45,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 382 states and 487 transitions. [2021-11-13 23:55:45,753 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 487 transitions. [2021-11-13 23:55:45,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:55:45,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:45,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:45,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:45,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:55:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 391 states and 497 transitions. [2021-11-13 23:55:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 497 transitions. [2021-11-13 23:55:46,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:55:46,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:46,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:46,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:46,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:55:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:55:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:55:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:55:46,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:46,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:46,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 23:55:46,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:55:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:55:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:55:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:55:47,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:47,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:47,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:55:47,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:47,706 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:55:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 396 states and 507 transitions. [2021-11-13 23:55:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 507 transitions. [2021-11-13 23:55:47,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:55:47,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:47,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:47,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:47,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:55:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 397 states and 509 transitions. [2021-11-13 23:55:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 509 transitions. [2021-11-13 23:55:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:55:48,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:48,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:49,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:55:49,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:49,417 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 23:55:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:49,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 399 states and 512 transitions. [2021-11-13 23:55:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 512 transitions. [2021-11-13 23:55:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:55:49,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:49,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:49,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:55:49,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:50,362 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 23:55:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 400 states and 514 transitions. [2021-11-13 23:55:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 514 transitions. [2021-11-13 23:55:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:55:51,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:51,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:51,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:55:51,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:55:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:51,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 400 states and 512 transitions. [2021-11-13 23:55:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 512 transitions. [2021-11-13 23:55:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:55:51,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:51,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:51,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:55:51,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:55:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:55:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-13 23:55:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-13 23:55:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:55:53,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:53,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:56:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-13 23:56:04,083 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 23:56:04,103 INFO L158 Benchmark]: Toolchain (without parser) took 33215.40ms. Allocated memory was 88.1MB in the beginning and 302.0MB in the end (delta: 213.9MB). Free memory was 61.9MB in the beginning and 241.1MB in the end (delta: -179.2MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-13 23:56:04,104 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:56:04,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.90ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 61.7MB in the beginning and 83.7MB in the end (delta: -22.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-13 23:56:04,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.63ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 74.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:56:04,106 INFO L158 Benchmark]: Boogie Preprocessor took 157.00ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 64.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:56:04,106 INFO L158 Benchmark]: RCFGBuilder took 2498.15ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 64.6MB in the beginning and 100.2MB in the end (delta: -35.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2021-11-13 23:56:04,107 INFO L158 Benchmark]: CodeCheck took 29646.04ms. Allocated memory was 161.5MB in the beginning and 302.0MB in the end (delta: 140.5MB). Free memory was 100.2MB in the beginning and 241.1MB in the end (delta: -140.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:56:04,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.90ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 61.7MB in the beginning and 83.7MB in the end (delta: -22.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.63ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 74.5MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.00ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 64.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2498.15ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 64.6MB in the beginning and 100.2MB in the end (delta: -35.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * CodeCheck took 29646.04ms. Allocated memory was 161.5MB in the beginning and 302.0MB in the end (delta: 140.5MB). Free memory was 100.2MB in the beginning and 241.1MB in the end (delta: -140.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:56:04,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64c874e3-83c8-47cc-9965-2257e28ff51e/bin/ukojak-2xVlg8857e/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown