./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN --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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:52:15,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:52:15,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:52:15,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:52:15,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:52:15,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:52:15,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:52:15,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:52:15,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:52:15,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:52:15,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:52:15,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:52:15,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:52:15,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:52:15,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:52:15,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:52:15,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:52:15,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:52:15,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:52:15,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:52:15,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:52:15,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:52:15,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:52:15,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:52:15,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:52:15,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:52:15,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:52:15,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:52:15,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:52:15,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:52:15,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:52:15,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:52:15,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:52:15,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:52:15,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:52:15,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:52:15,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:52:15,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:52:15,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:52:15,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:52:15,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:52:15,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:52:15,573 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:52:15,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:52:15,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:52:15,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:52:15,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:52:15,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:52:15,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:52:15,576 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:52:15,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:52:15,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:52:15,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:52:15,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:52:15,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:52:15,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:52:15,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:52:15,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:52:15,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:52:15,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:52:15,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:52:15,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:52:15,585 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:52:15,586 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:52:15,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:52:15,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:52:15,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:52:15,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:52:15,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:52:15,587 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:52:15,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:52:15,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:52:15,589 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_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2021-11-21 04:52:15,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:52:15,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:52:15,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:52:15,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:52:15,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:52:15,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-21 04:52:16,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/data/fddcdfa0a/6a0a42b4e65b40168792349cd4c17aa6/FLAG64fc92547 [2021-11-21 04:52:16,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:52:16,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2021-11-21 04:52:16,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/data/fddcdfa0a/6a0a42b4e65b40168792349cd4c17aa6/FLAG64fc92547 [2021-11-21 04:52:16,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/data/fddcdfa0a/6a0a42b4e65b40168792349cd4c17aa6 [2021-11-21 04:52:16,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:52:16,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:52:16,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:52:16,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:52:16,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:52:16,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:52:16" (1/1) ... [2021-11-21 04:52:16,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6c4c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:16, skipping insertion in model container [2021-11-21 04:52:16,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:52:16" (1/1) ... [2021-11-21 04:52:16,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:52:16,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:52:17,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-21 04:52:17,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-21 04:52:17,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:52:17,628 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:52:17,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2021-11-21 04:52:17,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2021-11-21 04:52:17,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:52:17,828 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:52:17,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17 WrapperNode [2021-11-21 04:52:17,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:52:17,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:52:17,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:52:17,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:52:17,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:17,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:17,937 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-21 04:52:17,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:52:17,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:52:17,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:52:17,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:52:17,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:17,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:17,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:17,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:18,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:18,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:18,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:18,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:52:18,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:52:18,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:52:18,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:52:18,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:52:17" (1/1) ... [2021-11-21 04:52:18,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:52:18,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:52:18,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:52:18,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:52:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:52:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:52:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:52:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 04:52:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:52:18,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:52:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:52:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 04:52:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 04:52:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:52:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:52:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:52:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:52:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:52:18,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:52:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:52:18,352 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:52:18,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:52:19,357 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:52:19,743 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:52:19,743 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 04:52:19,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:52:19 BoogieIcfgContainer [2021-11-21 04:52:19,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:52:19,748 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:52:19,748 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:52:19,758 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:52:19,758 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:52:19" (1/1) ... [2021-11-21 04:52:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:52:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-21 04:52:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-21 04:52:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:52:19,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:19,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:19,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:52:19,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:20,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 04:52:20,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 04:52:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:20,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 203 transitions. [2021-11-21 04:52:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-21 04:52:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:52:20,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:20,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:20,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:52:20,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:20,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 04:52:20,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 04:52:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2021-11-21 04:52:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2021-11-21 04:52:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:52:20,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:20,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:20,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:52:20,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:20,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:20,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-21 04:52:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-21 04:52:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:52:20,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:20,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-11-21 04:52:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-11-21 04:52:20,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:52:20,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:20,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:20,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:52:20,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-11-21 04:52:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-11-21 04:52:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 04:52:20,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:20,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:20,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:52:20,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2021-11-21 04:52:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2021-11-21 04:52:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 04:52:21,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:21,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:21,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:52:21,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-21 04:52:21,207 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-21 04:52:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:52:21,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:21,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:21,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:52:21,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-21 04:52:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-21 04:52:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:52:21,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:21,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:21,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:52:21,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:21,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-21 04:52:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-21 04:52:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:52:21,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:21,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:22,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:52:22,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2021-11-21 04:52:22,110 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2021-11-21 04:52:22,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:52:22,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:22,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:52:22,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:52:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:52:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:52:22,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:22,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:52:22,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:22,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:52:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:52:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:52:22,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:22,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:52:22,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:52:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:52:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:52:22,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:22,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:23,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:52:23,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:23,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:23,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:52:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:52:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:52:23,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:23,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:23,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:52:23,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 04:52:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 04:52:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:52:23,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:23,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:23,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:52:23,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:52:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 04:52:24,051 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 04:52:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:52:24,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:24,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:24,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:52:24,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 04:52:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 04:52:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 04:52:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:52:24,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:24,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:24,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:52:24,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 04:52:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2021-11-21 04:52:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2021-11-21 04:52:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:52:24,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:24,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:25,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:52:25,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 04:52:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 04:52:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 04:52:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:52:25,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:25,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:26,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 04:52:26,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 04:52:26,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 04:52:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 04:52:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 04:52:26,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:26,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:26,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:52:26,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:52:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-21 04:52:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-21 04:52:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 04:52:27,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:27,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:27,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 04:52:27,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:52:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2021-11-21 04:52:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-21 04:52:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:52:28,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:28,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:29,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:52:29,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:52:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2021-11-21 04:52:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2021-11-21 04:52:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 04:52:30,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:30,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:30,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:52:30,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 04:52:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 04:52:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 04:52:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 04:52:32,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:32,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:32,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:52:32,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 04:52:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-21 04:52:33,956 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-21 04:52:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 04:52:33,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:33,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:34,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 04:52:34,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 04:52:35,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 04:52:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 04:52:35,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:52:35,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:35,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:39,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 04:52:39,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 04:52:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 04:52:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 04:52:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 04:52:40,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:40,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:41,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 04:52:41,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 04:52:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:41,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 254 transitions. [2021-11-21 04:52:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2021-11-21 04:52:41,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 04:52:41,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:41,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:44,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 04:52:44,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 04:52:47,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 04:52:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 04:52:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:52:47,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:47,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:48,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 04:52:48,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 13 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 04:52:50,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:50,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 04:52:50,099 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 04:52:50,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 04:52:50,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:50,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:51,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 04:52:51,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 04:52:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 161 states and 270 transitions. [2021-11-21 04:52:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-21 04:52:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 04:52:53,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:53,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:54,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:52:54,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:52:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 04:52:57,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:52:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 04:52:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 04:52:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:52:57,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:52:57,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:52:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:52:59,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 04:52:59,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:53:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 04:53:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 04:53:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 04:53:02,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:02,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:53:04,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:53:04,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:53:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 04:53:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:53:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 165 states and 276 transitions. [2021-11-21 04:53:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2021-11-21 04:53:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 04:53:07,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:53:07,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:53:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 04:53:18,122 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) [2021-11-21 04:53:18,129 INFO L158 Benchmark]: Toolchain (without parser) took 61208.49ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 48.6MB in the beginning and 105.5MB in the end (delta: -56.9MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2021-11-21 04:53:18,129 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:53:18,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.60ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 48.5MB in the beginning and 72.0MB in the end (delta: -23.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 04:53:18,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.92ms. Allocated memory is still 121.6MB. Free memory was 72.0MB in the beginning and 66.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:53:18,131 INFO L158 Benchmark]: Boogie Preprocessor took 132.47ms. Allocated memory is still 121.6MB. Free memory was 66.0MB in the beginning and 59.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:53:18,132 INFO L158 Benchmark]: RCFGBuilder took 1675.36ms. Allocated memory is still 121.6MB. Free memory was 59.7MB in the beginning and 56.8MB in the end (delta: 2.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2021-11-21 04:53:18,133 INFO L158 Benchmark]: CodeCheck took 58379.28ms. Allocated memory was 121.6MB in the beginning and 222.3MB in the end (delta: 100.7MB). Free memory was 56.8MB in the beginning and 105.5MB in the end (delta: -48.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2021-11-21 04:53:18,137 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 0.20ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.60ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 48.5MB in the beginning and 72.0MB in the end (delta: -23.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.92ms. Allocated memory is still 121.6MB. Free memory was 72.0MB in the beginning and 66.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.47ms. Allocated memory is still 121.6MB. Free memory was 66.0MB in the beginning and 59.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1675.36ms. Allocated memory is still 121.6MB. Free memory was 59.7MB in the beginning and 56.8MB in the end (delta: 2.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * CodeCheck took 58379.28ms. Allocated memory was 121.6MB in the beginning and 222.3MB in the end (delta: 100.7MB). Free memory was 56.8MB in the beginning and 105.5MB in the end (delta: -48.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:53:18,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/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_5fbbe914-bad7-4088-9940-a8df76fa12c4/bin/ukojak-vF6T2TMglN/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