./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.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_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/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_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/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_236f021b-4194-4af1-a0df-db4473d8aa1e/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:32:10,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:32:10,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:32:10,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:32:10,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:32:10,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:32:10,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:32:10,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:32:10,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:32:10,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:32:10,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:32:10,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:32:10,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:32:10,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:32:10,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:32:10,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:32:10,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:32:10,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:32:10,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:32:10,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:32:10,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:32:10,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:32:10,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:32:10,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:32:10,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:32:10,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:32:10,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:32:10,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:32:10,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:32:10,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:32:10,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:32:10,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:32:10,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:32:10,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:32:10,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:32:10,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:32:10,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:32:10,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:32:10,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:32:10,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:32:10,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:32:10,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 04:32:10,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:32:10,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:32:11,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:32:11,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:32:11,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:32:11,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:32:11,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:32:11,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:32:11,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:32:11,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:32:11,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:32:11,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:32:11,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:32:11,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:32:11,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:32:11,004 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 04:32:11,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:32:11,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:32:11,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:32:11,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:32:11,005 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:32:11,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:32:11,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:32:11,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:32:11,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:32:11,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:32:11,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:32:11,007 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:32:11,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:32:11,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:32:11,009 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_236f021b-4194-4af1-a0df-db4473d8aa1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2021-11-21 04:32:11,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:32:11,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:32:11,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:32:11,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:32:11,333 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:32:11,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-21 04:32:11,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/data/c4891bee2/ec9ad626007e4ffa8d08734ef0ddc1de/FLAG1c66881f1 [2021-11-21 04:32:12,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:32:12,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-21 04:32:12,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/data/c4891bee2/ec9ad626007e4ffa8d08734ef0ddc1de/FLAG1c66881f1 [2021-11-21 04:32:12,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/data/c4891bee2/ec9ad626007e4ffa8d08734ef0ddc1de [2021-11-21 04:32:12,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:32:12,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:32:12,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:32:12,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:32:12,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:32:12,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:12" (1/1) ... [2021-11-21 04:32:12,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa85c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:12, skipping insertion in model container [2021-11-21 04:32:12,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:12" (1/1) ... [2021-11-21 04:32:12,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:32:12,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:32:12,857 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_236f021b-4194-4af1-a0df-db4473d8aa1e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-21 04:32:13,035 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_236f021b-4194-4af1-a0df-db4473d8aa1e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-21 04:32:13,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:32:13,049 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:32:13,103 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_236f021b-4194-4af1-a0df-db4473d8aa1e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-21 04:32:13,202 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_236f021b-4194-4af1-a0df-db4473d8aa1e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-21 04:32:13,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:32:13,260 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:32:13,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13 WrapperNode [2021-11-21 04:32:13,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:32:13,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:32:13,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:32:13,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:32:13,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,427 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-21 04:32:13,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:32:13,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:32:13,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:32:13,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:32:13,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:32:13,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:32:13,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:32:13,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:32:13,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:13" (1/1) ... [2021-11-21 04:32:13,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:32:13,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:32:13,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:32:13,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:32:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:32:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 04:32:13,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 04:32:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:32:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:32:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:32:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-21 04:32:13,617 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-21 04:32:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:32:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:32:13,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:32:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:32:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 04:32:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:32:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:32:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:32:13,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:32:13,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:32:13,902 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:32:13,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:32:15,050 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:32:15,468 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:32:15,468 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-21 04:32:15,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:32:15 BoogieIcfgContainer [2021-11-21 04:32:15,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:32:15,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:32:15,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:32:15,484 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:32:15,485 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:32:15" (1/1) ... [2021-11-21 04:32:15,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:32:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:15,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 158 states and 268 transitions. [2021-11-21 04:32:15,586 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2021-11-21 04:32:15,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:32:15,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:15,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:32:15,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:15,854 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 04:32:15,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-21 04:32:15,950 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 25 treesize of output 17 [2021-11-21 04:32:15,962 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 04:32:16,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2021-11-21 04:32:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2021-11-21 04:32:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:32:16,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 04:32:16,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:16,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-21 04:32:16,118 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 04:32:16,173 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 25 treesize of output 17 [2021-11-21 04:32:16,194 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 04:32:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 274 transitions. [2021-11-21 04:32:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2021-11-21 04:32:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:32:16,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:16,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:16,343 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 04:32:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2021-11-21 04:32:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2021-11-21 04:32:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:32:16,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,458 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 04:32:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 162 states and 267 transitions. [2021-11-21 04:32:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2021-11-21 04:32:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:32:16,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:16,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:16,661 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 04:32:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 162 states and 263 transitions. [2021-11-21 04:32:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2021-11-21 04:32:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 04:32:16,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:16,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:16,799 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 04:32:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 162 states and 257 transitions. [2021-11-21 04:32:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2021-11-21 04:32:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 04:32:16,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:16,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:16,943 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 04:32:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 162 states and 249 transitions. [2021-11-21 04:32:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2021-11-21 04:32:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 04:32:17,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:17,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:17,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:17,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:17,210 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 04:32:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 191 states and 288 transitions. [2021-11-21 04:32:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2021-11-21 04:32:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 04:32:17,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:17,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:17,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:17,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:17,882 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 04:32:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 329 transitions. [2021-11-21 04:32:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2021-11-21 04:32:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 04:32:18,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:18,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:18,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:18,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:18,781 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 04:32:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 221 states and 327 transitions. [2021-11-21 04:32:18,790 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 327 transitions. [2021-11-21 04:32:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 04:32:18,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:18,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:18,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:18,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:18,923 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 04:32:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 221 states and 325 transitions. [2021-11-21 04:32:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2021-11-21 04:32:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:32:18,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:18,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:19,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:19,110 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 04:32:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2021-11-21 04:32:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2021-11-21 04:32:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 04:32:19,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:19,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:19,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 04:32:19,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:19,301 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 04:32:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2021-11-21 04:32:19,358 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2021-11-21 04:32:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 04:32:19,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:19,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:19,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:19,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:19,531 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 04:32:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 227 states and 327 transitions. [2021-11-21 04:32:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2021-11-21 04:32:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 04:32:19,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:19,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:19,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:19,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:19,838 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 04:32:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 241 states and 345 transitions. [2021-11-21 04:32:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 345 transitions. [2021-11-21 04:32:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:32:20,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:20,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:20,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:20,686 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 04:32:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:20,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 253 states and 360 transitions. [2021-11-21 04:32:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 360 transitions. [2021-11-21 04:32:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 04:32:20,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:20,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:20,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:20,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:20,946 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 04:32:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 256 states and 362 transitions. [2021-11-21 04:32:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 362 transitions. [2021-11-21 04:32:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 04:32:20,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:21,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:32:21,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:21,153 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 04:32:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 377 transitions. [2021-11-21 04:32:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 377 transitions. [2021-11-21 04:32:21,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:32:21,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:21,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:21,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 04:32:21,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:21,685 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 04:32:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-21 04:32:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-21 04:32:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 04:32:22,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:22,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:22,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:32:22,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:22,625 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 04:32:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:22,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-21 04:32:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-21 04:32:22,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 04:32:22,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:22,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:23,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:32:23,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:23,512 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 04:32:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 272 states and 385 transitions. [2021-11-21 04:32:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 385 transitions. [2021-11-21 04:32:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 04:32:24,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:24,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:24,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 04:32:24,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:24,809 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 04:32:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 274 states and 390 transitions. [2021-11-21 04:32:25,574 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 390 transitions. [2021-11-21 04:32:25,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 04:32:25,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:25,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:25,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 04:32:25,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:26,059 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 04:32:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 276 states and 396 transitions. [2021-11-21 04:32:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 396 transitions. [2021-11-21 04:32:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 04:32:26,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:26,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:26,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 04:32:26,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:27,685 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 04:32:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-21 04:32:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-21 04:32:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 04:32:30,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:30,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:30,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:32:30,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:32:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-21 04:32:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-21 04:32:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 04:32:32,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:32,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:32,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 04:32:32,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:32:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-21 04:32:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-21 04:32:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 04:32:33,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:33,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:33,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 04:32:33,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:33,804 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 04:32:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-21 04:32:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-21 04:32:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:32:34,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:34,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:35,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:32:35,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 04:32:37,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-21 04:32:37,409 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-21 04:32:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:32:37,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:37,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:37,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 04:32:37,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 04:32:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-21 04:32:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-21 04:32:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:32:39,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:39,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:39,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 04:32:39,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:40,344 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 04:32:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 279 states and 401 transitions. [2021-11-21 04:32:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 401 transitions. [2021-11-21 04:32:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 04:32:41,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:41,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:42,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-21 04:32:42,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:43,133 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 04:32:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 281 states and 411 transitions. [2021-11-21 04:32:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 411 transitions. [2021-11-21 04:32:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 04:32:45,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:45,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:47,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-21 04:32:47,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 04:32:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 281 states and 411 transitions. [2021-11-21 04:32:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 411 transitions. [2021-11-21 04:32:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 04:32:49,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:49,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:50,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 04:32:50,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:51,374 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 04:32:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 283 states and 423 transitions. [2021-11-21 04:32:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 423 transitions. [2021-11-21 04:32:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-21 04:32:54,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:54,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:54,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-21 04:32:54,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:32:57,089 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 04:33:03,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 285 states and 420 transitions. [2021-11-21 04:33:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 420 transitions. [2021-11-21 04:33:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 04:33:03,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:03,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:04,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 04:33:04,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:33:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:33:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 285 states and 420 transitions. [2021-11-21 04:33:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 420 transitions. [2021-11-21 04:33:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 04:33:09,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:09,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:10,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 04:33:10,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:33:11,049 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 04:33:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 287 states and 423 transitions. [2021-11-21 04:33:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 423 transitions. [2021-11-21 04:33:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 04:33:13,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:13,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:15,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 04:33:15,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:33:17,043 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 04:33:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 289 states and 426 transitions. [2021-11-21 04:33:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 426 transitions. [2021-11-21 04:33:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 04:33:23,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:23,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:25,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 04:33:25,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:33:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 04:33:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 289 states and 426 transitions. [2021-11-21 04:33:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 426 transitions. [2021-11-21 04:33:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 04:33:31,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:31,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:33,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 04:33:33,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:33:36,411 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 04:33:43,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 291 states and 430 transitions. [2021-11-21 04:33:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 430 transitions. [2021-11-21 04:33:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 04:33:43,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:43,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:45,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 04:33:45,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:33:47,904 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 04:33:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 293 states and 446 transitions. [2021-11-21 04:33:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 446 transitions. [2021-11-21 04:33:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 04:33:56,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:56,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:58,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-21 04:33:58,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:00,668 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 226 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 04:34:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 293 states and 446 transitions. [2021-11-21 04:34:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 446 transitions. [2021-11-21 04:34:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 04:34:04,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:04,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:06,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-21 04:34:06,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 04:34:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 295 states and 463 transitions. [2021-11-21 04:34:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 463 transitions. [2021-11-21 04:34:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 04:34:11,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:11,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:14,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 04:34:14,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 257 proven. 120 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-21 04:34:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 295 states and 463 transitions. [2021-11-21 04:34:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 463 transitions. [2021-11-21 04:34:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 04:34:21,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:21,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:23,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-21 04:34:23,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 395 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 04:34:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 295 states and 463 transitions. [2021-11-21 04:34:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 463 transitions. [2021-11-21 04:34:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 04:34:39,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:39,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:41,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 04:34:41,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:34:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 258 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-21 04:35:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 297 states and 453 transitions. [2021-11-21 04:35:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 453 transitions. [2021-11-21 04:35:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 04:35:01,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:01,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:05,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 04:35:05,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:09,117 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 291 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-21 04:35:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 299 states and 457 transitions. [2021-11-21 04:35:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 457 transitions. [2021-11-21 04:35:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 04:35:21,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:21,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:25,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 04:35:25,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 326 proven. 153 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-21 04:35:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 301 states and 477 transitions. [2021-11-21 04:35:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 477 transitions. [2021-11-21 04:35:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 04:35:45,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:45,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:50,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-21 04:35:50,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:35:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 362 proven. 171 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:36:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 301 states and 477 transitions. [2021-11-21 04:36:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 477 transitions. [2021-11-21 04:36:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 04:36:01,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:01,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:03,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-21 04:36:03,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 153 proven. 512 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 04:36:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 301 states and 477 transitions. [2021-11-21 04:36:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 477 transitions. [2021-11-21 04:36:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 04:36:27,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:27,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:29,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 04:36:29,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:36:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 363 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-11-21 04:37:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 303 states and 467 transitions. [2021-11-21 04:37:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2021-11-21 04:37:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 04:37:13,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:13,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:16,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 04:37:16,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:37:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 402 proven. 190 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-21 04:37:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 305 states and 489 transitions. [2021-11-21 04:37:39,221 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 489 transitions. [2021-11-21 04:37:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 04:37:39,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:39,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:43,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 04:37:43,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:37:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 442 proven. 210 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-21 04:38:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 305 states and 489 transitions. [2021-11-21 04:38:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 489 transitions. [2021-11-21 04:38:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 04:38:19,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:19,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:22,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-21 04:38:22,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:38:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 443 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-21 04:39:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 307 states and 475 transitions. [2021-11-21 04:39:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 475 transitions. [2021-11-21 04:39:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 04:39:14,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:14,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:18,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 04:39:18,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:39:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 486 proven. 231 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-21 04:39:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 309 states and 478 transitions. [2021-11-21 04:39:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 478 transitions. [2021-11-21 04:39:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 04:39:56,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:56,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 04:40:07,020 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 04:40:07,023 INFO L158 Benchmark]: Toolchain (without parser) took 474726.01ms. Allocated memory was 88.1MB in the beginning and 218.1MB in the end (delta: 130.0MB). Free memory was 50.8MB in the beginning and 110.0MB in the end (delta: -59.3MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2021-11-21 04:40:07,024 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:40:07,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.34ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 68.5MB in the end (delta: -17.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-21 04:40:07,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.37ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 61.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 04:40:07,026 INFO L158 Benchmark]: Boogie Preprocessor took 98.88ms. Allocated memory is still 115.3MB. Free memory was 61.7MB in the beginning and 54.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 04:40:07,026 INFO L158 Benchmark]: RCFGBuilder took 1943.58ms. Allocated memory is still 115.3MB. Free memory was 54.8MB in the beginning and 50.3MB in the end (delta: 4.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-21 04:40:07,027 INFO L158 Benchmark]: CodeCheck took 471549.36ms. Allocated memory was 115.3MB in the beginning and 218.1MB in the end (delta: 102.8MB). Free memory was 50.3MB in the beginning and 110.0MB in the end (delta: -59.8MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-11-21 04:40:07,030 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 0.66ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 961.34ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 68.5MB in the end (delta: -17.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.37ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 61.7MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.88ms. Allocated memory is still 115.3MB. Free memory was 61.7MB in the beginning and 54.8MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1943.58ms. Allocated memory is still 115.3MB. Free memory was 54.8MB in the beginning and 50.3MB in the end (delta: 4.6MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * CodeCheck took 471549.36ms. Allocated memory was 115.3MB in the beginning and 218.1MB in the end (delta: 102.8MB). Free memory was 50.3MB in the beginning and 110.0MB in the end (delta: -59.8MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 04:40:07,250 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-21 04:40:07,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_236f021b-4194-4af1-a0df-db4473d8aa1e/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_236f021b-4194-4af1-a0df-db4473d8aa1e/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