./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.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_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/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_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/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_42935186-a6b0-4d28-8e97-e52701bf2fda/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 c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:31:26,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:31:26,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:31:26,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:31:26,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:31:26,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:31:26,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:31:26,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:31:26,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:31:26,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:31:26,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:31:26,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:31:26,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:31:26,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:31:26,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:31:26,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:31:26,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:31:26,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:31:26,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:31:26,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:31:26,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:31:26,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:31:26,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:31:26,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:31:26,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:31:26,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:31:26,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:31:26,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:31:26,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:31:26,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:31:26,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:31:26,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:31:26,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:31:26,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:31:26,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:31:26,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:31:26,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:31:26,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:31:26,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:31:26,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:31:26,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:31:26,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:31:26,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:31:26,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:31:26,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:31:26,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:31:26,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:31:26,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:31:26,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:31:26,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:31:26,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:31:26,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:31:26,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:31:26,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:31:26,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:31:26,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:31:26,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:31:26,514 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:31:26,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:31:26,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:31:26,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:31:26,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:31:26,515 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:31:26,516 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:31:26,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:31:26,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:31:26,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:31:26,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:31:26,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:31:26,517 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:31:26,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:31:26,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:31:26,518 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_42935186-a6b0-4d28-8e97-e52701bf2fda/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2021-11-21 05:31:26,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:31:26,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:31:26,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:31:26,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:31:26,805 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:31:26,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2021-11-21 05:31:26,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/data/ef8047a6c/b4bd0fea4b5644ff930b5c60804ae3e7/FLAG1b2f9eb0b [2021-11-21 05:31:27,542 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:31:27,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2021-11-21 05:31:27,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/data/ef8047a6c/b4bd0fea4b5644ff930b5c60804ae3e7/FLAG1b2f9eb0b [2021-11-21 05:31:27,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/data/ef8047a6c/b4bd0fea4b5644ff930b5c60804ae3e7 [2021-11-21 05:31:27,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:31:27,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:31:27,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:31:27,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:31:27,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:31:27,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:31:27" (1/1) ... [2021-11-21 05:31:27,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bace0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:27, skipping insertion in model container [2021-11-21 05:31:27,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:31:27" (1/1) ... [2021-11-21 05:31:27,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:31:27,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:31:28,289 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_42935186-a6b0-4d28-8e97-e52701bf2fda/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[33021,33034] [2021-11-21 05:31:28,499 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_42935186-a6b0-4d28-8e97-e52701bf2fda/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[49681,49694] [2021-11-21 05:31:28,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:31:28,524 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:31:28,575 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_42935186-a6b0-4d28-8e97-e52701bf2fda/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[33021,33034] [2021-11-21 05:31:28,696 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_42935186-a6b0-4d28-8e97-e52701bf2fda/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i[49681,49694] [2021-11-21 05:31:28,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:31:28,751 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:31:28,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28 WrapperNode [2021-11-21 05:31:28,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:31:28,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:31:28,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:31:28,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:31:28,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:28,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:28,909 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-21 05:31:28,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:31:28,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:31:28,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:31:28,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:31:28,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:28,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:28,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:28,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:29,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:29,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:29,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:29,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:31:29,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:31:29,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:31:29,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:31:29,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:28" (1/1) ... [2021-11-21 05:31:29,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:31:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:31:29,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:31:29,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:31:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:31:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:31:29,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:31:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:31:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:31:29,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:31:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:31:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:31:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:31:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:31:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:31:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:31:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:31:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:31:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:31:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:31:29,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:31:29,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:31:30,781 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:31:31,302 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:31:31,302 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-21 05:31:31,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:31:31 BoogieIcfgContainer [2021-11-21 05:31:31,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:31:31,307 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:31:31,307 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:31:31,315 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:31:31,316 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:31:31" (1/1) ... [2021-11-21 05:31:31,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:31:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 164 states and 279 transitions. [2021-11-21 05:31:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 279 transitions. [2021-11-21 05:31:31,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:31:31,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:31,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:31,669 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 05:31:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 166 states and 282 transitions. [2021-11-21 05:31:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 282 transitions. [2021-11-21 05:31:31,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:31:31,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:31,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:31,830 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 05:31:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 165 states and 281 transitions. [2021-11-21 05:31:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 281 transitions. [2021-11-21 05:31:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:31:31,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:31,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:31,965 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 05:31:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 165 states and 277 transitions. [2021-11-21 05:31:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2021-11-21 05:31:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:31:31,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:32,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:32,146 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 05:31:32,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 165 states and 269 transitions. [2021-11-21 05:31:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 269 transitions. [2021-11-21 05:31:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:31:32,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:32,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:32,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:32,367 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 05:31:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2021-11-21 05:31:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2021-11-21 05:31:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 05:31:32,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:32,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:32,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:32,628 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 05:31:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 165 states and 245 transitions. [2021-11-21 05:31:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 245 transitions. [2021-11-21 05:31:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:31:32,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:32,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:32,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:33,117 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 05:31:33,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 210 states and 301 transitions. [2021-11-21 05:31:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 301 transitions. [2021-11-21 05:31:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:31:33,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:33,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:33,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:33,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:33,698 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 05:31:33,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 210 states and 299 transitions. [2021-11-21 05:31:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 299 transitions. [2021-11-21 05:31:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 05:31:33,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:33,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:33,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:33,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:33,928 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 05:31:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 210 states and 297 transitions. [2021-11-21 05:31:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2021-11-21 05:31:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:31:33,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:33,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:34,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:34,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:34,222 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 05:31:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:34,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 256 states and 355 transitions. [2021-11-21 05:31:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 355 transitions. [2021-11-21 05:31:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:31:34,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:34,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:34,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:34,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,016 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 05:31:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 256 states and 353 transitions. [2021-11-21 05:31:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 353 transitions. [2021-11-21 05:31:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 05:31:35,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,252 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 05:31:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 256 states and 351 transitions. [2021-11-21 05:31:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 351 transitions. [2021-11-21 05:31:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:31:35,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,491 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 05:31:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 256 states and 349 transitions. [2021-11-21 05:31:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 349 transitions. [2021-11-21 05:31:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:31:35,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 290 states and 391 transitions. [2021-11-21 05:31:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 391 transitions. [2021-11-21 05:31:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:31:36,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:36,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:36,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,367 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 05:31:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 290 states and 389 transitions. [2021-11-21 05:31:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 389 transitions. [2021-11-21 05:31:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:31:36,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:36,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:36,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,615 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 05:31:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 293 states and 391 transitions. [2021-11-21 05:31:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 391 transitions. [2021-11-21 05:31:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:31:36,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:36,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:36,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,873 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 05:31:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 293 states and 389 transitions. [2021-11-21 05:31:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 389 transitions. [2021-11-21 05:31:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:31:36,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:37,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:37,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:37,142 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 05:31:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 296 states and 391 transitions. [2021-11-21 05:31:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 391 transitions. [2021-11-21 05:31:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:31:37,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:37,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:37,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:37,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:37,439 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 05:31:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 299 states and 393 transitions. [2021-11-21 05:31:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 393 transitions. [2021-11-21 05:31:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:31:37,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:37,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:37,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:37,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:37,726 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 05:31:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 302 states and 395 transitions. [2021-11-21 05:31:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2021-11-21 05:31:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:31:37,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:37,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:37,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:37,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:38,139 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 05:31:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-21 05:31:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-21 05:31:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:31:38,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:38,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:38,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:38,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:38,527 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 05:31:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 308 states and 399 transitions. [2021-11-21 05:31:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 399 transitions. [2021-11-21 05:31:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:31:38,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:38,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:38,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:38,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:38,783 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 05:31:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 308 states and 398 transitions. [2021-11-21 05:31:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 398 transitions. [2021-11-21 05:31:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 05:31:38,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:38,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:38,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:38,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:39,073 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 05:31:39,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 317 states and 409 transitions. [2021-11-21 05:31:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 409 transitions. [2021-11-21 05:31:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:31:39,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:39,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:39,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:39,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 326 states and 419 transitions. [2021-11-21 05:31:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 419 transitions. [2021-11-21 05:31:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:31:39,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:39,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:39,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:39,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 335 states and 429 transitions. [2021-11-21 05:31:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 429 transitions. [2021-11-21 05:31:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:31:40,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:40,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:40,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:40,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:40,353 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 05:31:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 344 states and 440 transitions. [2021-11-21 05:31:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 440 transitions. [2021-11-21 05:31:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:31:40,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:40,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:40,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:40,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 353 states and 450 transitions. [2021-11-21 05:31:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-21 05:31:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:31:40,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:40,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:41,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:41,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:41,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 362 states and 460 transitions. [2021-11-21 05:31:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 460 transitions. [2021-11-21 05:31:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:31:41,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:41,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:41,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:41,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:41,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 371 states and 471 transitions. [2021-11-21 05:31:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 471 transitions. [2021-11-21 05:31:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:31:41,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:41,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:42,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:42,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:31:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 372 states and 473 transitions. [2021-11-21 05:31:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 473 transitions. [2021-11-21 05:31:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:31:42,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:42,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:42,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:42,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 385 states and 488 transitions. [2021-11-21 05:31:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 488 transitions. [2021-11-21 05:31:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:31:43,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:43,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:43,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:43,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:43,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 394 states and 498 transitions. [2021-11-21 05:31:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 498 transitions. [2021-11-21 05:31:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:31:43,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:43,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:43,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:43,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:31:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 397 states and 500 transitions. [2021-11-21 05:31:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 500 transitions. [2021-11-21 05:31:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:31:44,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:44,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:45,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:31:45,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 05:31:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 399 states and 508 transitions. [2021-11-21 05:31:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 508 transitions. [2021-11-21 05:31:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 05:31:45,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:45,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:45,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:45,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:31:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 400 states and 510 transitions. [2021-11-21 05:31:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 510 transitions. [2021-11-21 05:31:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:31:47,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:47,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:53,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 05:31:53,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:53,802 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 05:31:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:54,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 402 states and 514 transitions. [2021-11-21 05:31:54,266 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 514 transitions. [2021-11-21 05:31:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:31:54,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:54,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:54,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:54,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-21 05:31:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 403 states and 516 transitions. [2021-11-21 05:31:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 516 transitions. [2021-11-21 05:31:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-21 05:31:55,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:55,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:55,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:55,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 05:31:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:56,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-21 05:31:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-21 05:31:56,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 05:31:56,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:56,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:56,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 05:31:56,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-21 05:31:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 406 states and 516 transitions. [2021-11-21 05:31:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 516 transitions. [2021-11-21 05:31:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:31:57,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:57,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:05,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:32:05,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 50 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 05:32:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 406 states and 516 transitions. [2021-11-21 05:32:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 516 transitions. [2021-11-21 05:32:05,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 05:32:05,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:05,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:32:15,937 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 05:32:15,942 INFO L158 Benchmark]: Toolchain (without parser) took 48194.68ms. Allocated memory was 96.5MB in the beginning and 293.6MB in the end (delta: 197.1MB). Free memory was 65.6MB in the beginning and 192.3MB in the end (delta: -126.7MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2021-11-21 05:32:15,943 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:32:15,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.60ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 65.4MB in the beginning and 77.4MB in the end (delta: -12.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-21 05:32:15,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.31ms. Allocated memory is still 130.0MB. Free memory was 77.4MB in the beginning and 68.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:32:15,949 INFO L158 Benchmark]: Boogie Preprocessor took 151.95ms. Allocated memory is still 130.0MB. Free memory was 68.6MB in the beginning and 99.2MB in the end (delta: -30.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-21 05:32:15,949 INFO L158 Benchmark]: RCFGBuilder took 2242.60ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 126.1MB in the end (delta: -27.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2021-11-21 05:32:15,950 INFO L158 Benchmark]: CodeCheck took 44632.36ms. Allocated memory was 176.2MB in the beginning and 293.6MB in the end (delta: 117.4MB). Free memory was 126.1MB in the beginning and 192.3MB in the end (delta: -66.2MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-11-21 05:32:15,954 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 0.28ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.60ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 65.4MB in the beginning and 77.4MB in the end (delta: -12.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.31ms. Allocated memory is still 130.0MB. Free memory was 77.4MB in the beginning and 68.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.95ms. Allocated memory is still 130.0MB. Free memory was 68.6MB in the beginning and 99.2MB in the end (delta: -30.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2242.60ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 98.7MB in the beginning and 126.1MB in the end (delta: -27.4MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * CodeCheck took 44632.36ms. Allocated memory was 176.2MB in the beginning and 293.6MB in the end (delta: 117.4MB). Free memory was 126.1MB in the beginning and 192.3MB in the end (delta: -66.2MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:32:16,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42935186-a6b0-4d28-8e97-e52701bf2fda/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_42935186-a6b0-4d28-8e97-e52701bf2fda/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