./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.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_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/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_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/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_89fdff08-7335-47bd-9b6f-9f317d700636/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 f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:31:29,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:31:29,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:31:29,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:31:29,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:31:29,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:31:29,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:31:29,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:31:29,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:31:29,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:31:29,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:31:29,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:31:29,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:31:29,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:31:29,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:31:29,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:31:29,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:31:29,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:31:29,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:31:29,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:31:29,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:31:29,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:31:29,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:31:29,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:31:29,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:31:29,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:31:29,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:31:29,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:31:29,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:31:29,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:31:29,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:31:29,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:31:29,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:31:29,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:31:29,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:31:29,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:31:29,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:31:29,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:31:29,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:31:29,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:31:29,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:31:29,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 05:31:29,930 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:31:29,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:31:29,932 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:31:29,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:31:29,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:31:29,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:31:29,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:31:29,934 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:31:29,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:31:29,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:31:29,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:31:29,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:31:29,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:31:29,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:31:29,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:31:29,943 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 05:31:29,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:31:29,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:31:29,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:31:29,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:31:29,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:31:29,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:31:29,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:31:29,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:31:29,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:31:29,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:31:29,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:31:29,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:31:29,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:31:29,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:31:29,947 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_89fdff08-7335-47bd-9b6f-9f317d700636/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2021-11-21 05:31:30,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:31:30,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:31:30,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:31:30,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:31:30,302 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:31:30,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2021-11-21 05:31:30,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/data/2c1809a48/e807ec915cca4f76aea6be2e1f665e56/FLAGaf844dfc3 [2021-11-21 05:31:31,051 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:31:31,052 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2021-11-21 05:31:31,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/data/2c1809a48/e807ec915cca4f76aea6be2e1f665e56/FLAGaf844dfc3 [2021-11-21 05:31:31,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/data/2c1809a48/e807ec915cca4f76aea6be2e1f665e56 [2021-11-21 05:31:31,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:31:31,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:31:31,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:31:31,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:31:31,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:31:31,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:31:31" (1/1) ... [2021-11-21 05:31:31,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413dec55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:31, skipping insertion in model container [2021-11-21 05:31:31,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:31:31" (1/1) ... [2021-11-21 05:31:31,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:31:31,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:31:31,816 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_89fdff08-7335-47bd-9b6f-9f317d700636/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2021-11-21 05:31:31,911 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_89fdff08-7335-47bd-9b6f-9f317d700636/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2021-11-21 05:31:31,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:31:31,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:31:31,997 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_89fdff08-7335-47bd-9b6f-9f317d700636/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2021-11-21 05:31:32,078 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_89fdff08-7335-47bd-9b6f-9f317d700636/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2021-11-21 05:31:32,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:31:32,134 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:31:32,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32 WrapperNode [2021-11-21 05:31:32,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:31:32,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:31:32,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:31:32,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:31:32,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,269 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 05:31:32,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:31:32,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:31:32,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:31:32,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:31:32,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:31:32,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:31:32,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:31:32,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:31:32,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:31:32" (1/1) ... [2021-11-21 05:31:32,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:31:32,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:31:32,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:31:32,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:31:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:31:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:31:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:31:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:31:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 05:31:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 05:31:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:31:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:31:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:31:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:31:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 05:31:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:31:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:31:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:31:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:31:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:31:32,751 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:31:32,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:31:33,829 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:31:34,216 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:31:34,216 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 05:31:34,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:31:34 BoogieIcfgContainer [2021-11-21 05:31:34,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:31:34,220 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:31:34,220 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:31:34,231 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:31:34,231 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:31:34" (1/1) ... [2021-11-21 05:31:34,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:31:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-11-21 05:31:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-11-21 05:31:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:31:34,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:34,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:34,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:31:34,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:34,606 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 05:31:34,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 05:31:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2021-11-21 05:31:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2021-11-21 05:31:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 05:31:34,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:34,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:34,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:31:34,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:34,894 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 05:31:34,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 05:31:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2021-11-21 05:31:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2021-11-21 05:31:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:31:34,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:34,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 137 states and 228 transitions. [2021-11-21 05:31:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2021-11-21 05:31:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:31:35,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2021-11-21 05:31:35,233 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2021-11-21 05:31:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:31:35,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 137 states and 225 transitions. [2021-11-21 05:31:35,419 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2021-11-21 05:31:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:31:35,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 137 states and 221 transitions. [2021-11-21 05:31:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2021-11-21 05:31:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:31:35,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2021-11-21 05:31:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2021-11-21 05:31:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:31:35,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2021-11-21 05:31:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2021-11-21 05:31:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:31:35,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:35,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:35,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:35,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 151 states and 224 transitions. [2021-11-21 05:31:36,402 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2021-11-21 05:31:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:31:36,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:36,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:36,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2021-11-21 05:31:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-11-21 05:31:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:31:36,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:36,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 05:31:36,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 05:31:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 05:31:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:31:36,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:36,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:36,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:36,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 154 states and 222 transitions. [2021-11-21 05:31:37,015 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 222 transitions. [2021-11-21 05:31:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:31:37,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:37,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:37,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 05:31:37,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:37,553 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 05:31:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 156 states and 226 transitions. [2021-11-21 05:31:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2021-11-21 05:31:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 05:31:37,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:37,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:37,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 05:31:37,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:38,031 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 05:31:38,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:38,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 158 states and 230 transitions. [2021-11-21 05:31:38,272 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2021-11-21 05:31:38,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 05:31:38,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:38,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:38,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 05:31:38,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:38,917 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 05:31:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2021-11-21 05:31:39,277 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2021-11-21 05:31:39,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:31:39,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:39,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:39,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 05:31:39,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:39,956 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 05:31:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2021-11-21 05:31:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2021-11-21 05:31:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 05:31:40,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:40,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:40,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 05:31:40,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:40,883 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 05:31:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 244 transitions. [2021-11-21 05:31:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 244 transitions. [2021-11-21 05:31:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 05:31:41,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:41,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:42,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:31:42,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:42,565 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 05:31:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-21 05:31:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-21 05:31:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:31:43,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:43,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:44,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 05:31:44,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:44,657 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 05:31:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:45,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-21 05:31:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-21 05:31:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:31:45,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:45,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:45,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:31:45,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:46,308 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 05:31:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-21 05:31:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-21 05:31:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 05:31:46,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:46,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:47,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:31:47,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:47,743 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 05:31:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 165 states and 250 transitions. [2021-11-21 05:31:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2021-11-21 05:31:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 05:31:48,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:48,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:49,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 05:31:49,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:50,608 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 05:31:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-21 05:31:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-21 05:31:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:31:51,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:51,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:52,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-21 05:31:52,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-21 05:31:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-21 05:31:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:31:54,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:54,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:55,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 05:31:55,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-21 05:31:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-21 05:31:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:31:55,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:55,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:56,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 05:31:56,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:31:57,352 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 05:31:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:58,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 169 states and 265 transitions. [2021-11-21 05:31:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 265 transitions. [2021-11-21 05:31:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:31:58,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:58,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:00,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-21 05:32:00,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:00,861 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 05:32:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 171 states and 268 transitions. [2021-11-21 05:32:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 268 transitions. [2021-11-21 05:32:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 05:32:02,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:02,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:04,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 05:32:04,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:05,227 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 05:32:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 173 states and 271 transitions. [2021-11-21 05:32:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2021-11-21 05:32:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:32:07,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:07,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:08,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 05:32:08,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:09,428 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 05:32:11,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-21 05:32:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-21 05:32:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:32:11,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:11,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:16,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 05:32:16,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:17,423 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 05:32:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-21 05:32:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-21 05:32:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:32:18,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:18,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:21,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 05:32:21,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:21,838 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 05:32:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:21,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-21 05:32:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-21 05:32:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 05:32:21,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:21,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:25,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 05:32:25,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:25,423 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 05:32:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-21 05:32:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-21 05:32:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:32:26,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:26,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:30,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 05:32:30,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 05:32:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-21 05:32:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-21 05:32:33,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:32:33,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:33,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:36,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 05:32:36,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 05:32:37,841 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 05:32:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 179 states and 281 transitions. [2021-11-21 05:32:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2021-11-21 05:32:41,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 05:32:41,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:41,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 05:32:51,218 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 05:32:51,222 INFO L158 Benchmark]: Toolchain (without parser) took 79898.64ms. Allocated memory was 111.1MB in the beginning and 201.3MB in the end (delta: 90.2MB). Free memory was 68.1MB in the beginning and 109.4MB in the end (delta: -41.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-11-21 05:32:51,223 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:32:51,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.96ms. Allocated memory is still 111.1MB. Free memory was 67.9MB in the beginning and 62.3MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 05:32:51,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.97ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 55.8MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:32:51,225 INFO L158 Benchmark]: Boogie Preprocessor took 108.54ms. Allocated memory is still 111.1MB. Free memory was 55.4MB in the beginning and 48.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 05:32:51,226 INFO L158 Benchmark]: RCFGBuilder took 1839.74ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 48.6MB in the beginning and 65.5MB in the end (delta: -16.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-11-21 05:32:51,226 INFO L158 Benchmark]: CodeCheck took 77000.31ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 65.5MB in the beginning and 109.4MB in the end (delta: -43.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-21 05:32:51,230 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 0.33ms. Allocated memory is still 111.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.96ms. Allocated memory is still 111.1MB. Free memory was 67.9MB in the beginning and 62.3MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.97ms. Allocated memory is still 111.1MB. Free memory was 62.3MB in the beginning and 55.8MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.54ms. Allocated memory is still 111.1MB. Free memory was 55.4MB in the beginning and 48.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1839.74ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 48.6MB in the beginning and 65.5MB in the end (delta: -16.9MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * CodeCheck took 77000.31ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 65.5MB in the beginning and 109.4MB in the end (delta: -43.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 05:32:51,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89fdff08-7335-47bd-9b6f-9f317d700636/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