./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2e366b806d6a007efec75c501bac3a612c0967ae ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:04:47,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:04:47,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:04:47,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:04:47,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:04:47,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:04:47,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:04:47,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:04:47,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:04:47,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:04:47,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:04:47,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:04:47,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:04:47,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:04:47,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:04:47,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:04:47,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:04:47,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:04:47,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:04:47,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:04:47,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:04:47,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:04:47,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:04:47,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:04:47,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:04:47,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:04:47,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:04:47,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:04:47,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:04:47,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:04:47,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:04:47,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:04:47,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:04:47,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:04:47,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:04:47,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:04:47,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:04:47,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:04:47,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:04:47,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:04:47,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:04:47,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 13:04:47,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:04:47,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:04:47,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:04:47,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:04:47,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:04:47,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:04:47,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:04:47,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:04:47,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:04:47,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:04:47,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:04:47,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:04:47,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:04:47,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 13:04:47,474 INFO L138 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer 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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e366b806d6a007efec75c501bac3a612c0967ae [2019-12-07 13:04:47,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:04:47,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:04:47,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:04:47,597 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:04:47,598 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:04:47,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2019-12-07 13:04:47,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/data/210f435d0/e65c1a2a66b44e7ca4da24b50c7494ed/FLAG40d806142 [2019-12-07 13:04:48,177 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:04:48,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2019-12-07 13:04:48,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/data/210f435d0/e65c1a2a66b44e7ca4da24b50c7494ed/FLAG40d806142 [2019-12-07 13:04:48,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/data/210f435d0/e65c1a2a66b44e7ca4da24b50c7494ed [2019-12-07 13:04:48,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:04:48,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:04:48,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:04:48,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:04:48,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:04:48,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:04:48" (1/1) ... [2019-12-07 13:04:48,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9ae77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:48, skipping insertion in model container [2019-12-07 13:04:48,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:04:48" (1/1) ... [2019-12-07 13:04:48,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:04:48,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:04:48,931 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-12-07 13:04:48,935 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-12-07 13:04:49,488 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,489 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,489 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,490 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,491 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,503 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,504 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,505 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,505 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,507 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,507 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,508 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,508 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:49,831 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2019-12-07 13:04:49,832 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2019-12-07 13:04:49,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2019-12-07 13:04:49,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2019-12-07 13:04:49,835 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2019-12-07 13:04:49,835 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2019-12-07 13:04:49,836 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2019-12-07 13:04:49,836 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2019-12-07 13:04:49,837 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2019-12-07 13:04:49,837 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2019-12-07 13:04:49,957 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2019-12-07 13:04:50,024 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,024 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:04:50,096 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:04:50,107 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2019-12-07 13:04:50,108 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2019-12-07 13:04:50,129 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,129 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,129 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,130 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,130 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,134 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,134 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,135 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,135 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,136 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,136 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,137 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,137 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,156 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2019-12-07 13:04:50,156 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2019-12-07 13:04:50,157 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2019-12-07 13:04:50,157 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2019-12-07 13:04:50,158 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2019-12-07 13:04:50,158 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2019-12-07 13:04:50,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2019-12-07 13:04:50,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2019-12-07 13:04:50,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2019-12-07 13:04:50,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2019-12-07 13:04:50,172 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2019-12-07 13:04:50,200 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,200 WARN L1484 CHandler]: Possible shadowing of function index [2019-12-07 13:04:50,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:04:50,748 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:04:50,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50 WrapperNode [2019-12-07 13:04:50,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:04:50,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:04:50,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:04:50,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:04:50,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:04:50,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:04:50,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:04:50,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:04:50,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... [2019-12-07 13:04:50,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:04:50,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:04:50,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:04:50,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:04:50,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:04:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-07 13:04:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 13:04:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 13:04:57,340 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:04:57,340 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 13:04:57,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:04:57 BoogieIcfgContainer [2019-12-07 13:04:57,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:04:57,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:04:57,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:04:57,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:04:57,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:04:48" (1/3) ... [2019-12-07 13:04:57,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9be480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:04:57, skipping insertion in model container [2019-12-07 13:04:57,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:04:50" (2/3) ... [2019-12-07 13:04:57,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9be480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:04:57, skipping insertion in model container [2019-12-07 13:04:57,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:04:57" (3/3) ... [2019-12-07 13:04:57,345 INFO L109 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2019-12-07 13:04:57,352 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:04:57,359 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-07 13:04:57,367 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-07 13:04:57,383 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:04:57,383 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:04:57,383 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:04:57,383 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:04:57,383 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:04:57,383 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:04:57,383 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:04:57,383 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:04:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2019-12-07 13:04:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 13:04:57,398 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:04:57,399 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:04:57,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:04:57,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:57,403 INFO L82 PathProgramCache]: Analyzing trace with hash 936005358, now seen corresponding path program 1 times [2019-12-07 13:04:57,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:57,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810812559] [2019-12-07 13:04:57,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:04:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:04:57,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810812559] [2019-12-07 13:04:57,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:04:57,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:04:57,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299671826] [2019-12-07 13:04:57,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:04:57,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:04:57,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:04:57,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:04:57,863 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2019-12-07 13:04:57,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:04:57,925 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2019-12-07 13:04:57,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:04:57,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-12-07 13:04:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:04:57,935 INFO L225 Difference]: With dead ends: 107 [2019-12-07 13:04:57,935 INFO L226 Difference]: Without dead ends: 59 [2019-12-07 13:04:57,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:04:57,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-12-07 13:04:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-12-07 13:04:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-12-07 13:04:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2019-12-07 13:04:57,962 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 19 [2019-12-07 13:04:57,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:04:57,962 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2019-12-07 13:04:57,962 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:04:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2019-12-07 13:04:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:04:57,963 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:04:57,963 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:04:57,963 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:04:57,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:57,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1832942992, now seen corresponding path program 1 times [2019-12-07 13:04:57,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:57,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700977712] [2019-12-07 13:04:57,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:04:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:04:58,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700977712] [2019-12-07 13:04:58,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:04:58,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:04:58,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172670098] [2019-12-07 13:04:58,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:04:58,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:04:58,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:04:58,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:04:58,146 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand 4 states. [2019-12-07 13:04:58,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:04:58,214 INFO L93 Difference]: Finished difference Result 118 states and 149 transitions. [2019-12-07 13:04:58,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:04:58,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-07 13:04:58,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:04:58,216 INFO L225 Difference]: With dead ends: 118 [2019-12-07 13:04:58,216 INFO L226 Difference]: Without dead ends: 79 [2019-12-07 13:04:58,217 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:04:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-12-07 13:04:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 63. [2019-12-07 13:04:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-12-07 13:04:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2019-12-07 13:04:58,225 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 31 [2019-12-07 13:04:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:04:58,225 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2019-12-07 13:04:58,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:04:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2019-12-07 13:04:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:04:58,226 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:04:58,226 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:04:58,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:04:58,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:04:58,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2039322478, now seen corresponding path program 1 times [2019-12-07 13:04:58,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:04:58,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595378392] [2019-12-07 13:04:58,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:04:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:00,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:00,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595378392] [2019-12-07 13:05:00,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:00,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 13:05:00,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697216096] [2019-12-07 13:05:00,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:05:00,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:00,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:05:00,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:05:00,193 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand 7 states. [2019-12-07 13:05:05,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:05,077 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2019-12-07 13:05:05,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:05:05,077 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-12-07 13:05:05,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:05,078 INFO L225 Difference]: With dead ends: 81 [2019-12-07 13:05:05,078 INFO L226 Difference]: Without dead ends: 64 [2019-12-07 13:05:05,079 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:05:05,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-12-07 13:05:05,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-12-07 13:05:05,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-12-07 13:05:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions. [2019-12-07 13:05:05,084 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 31 [2019-12-07 13:05:05,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:05,084 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions. [2019-12-07 13:05:05,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:05:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions. [2019-12-07 13:05:05,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 13:05:05,085 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:05,085 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:05,085 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:05,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2096580780, now seen corresponding path program 1 times [2019-12-07 13:05:05,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:05,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728708137] [2019-12-07 13:05:05,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:06,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728708137] [2019-12-07 13:05:06,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:06,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:05:06,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658511765] [2019-12-07 13:05:06,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:05:06,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:06,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:05:06,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:05:06,791 INFO L87 Difference]: Start difference. First operand 64 states and 79 transitions. Second operand 8 states. [2019-12-07 13:05:11,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:11,658 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2019-12-07 13:05:11,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:05:11,658 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2019-12-07 13:05:11,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:11,659 INFO L225 Difference]: With dead ends: 106 [2019-12-07 13:05:11,659 INFO L226 Difference]: Without dead ends: 64 [2019-12-07 13:05:11,659 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:05:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-12-07 13:05:11,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-12-07 13:05:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 13:05:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2019-12-07 13:05:11,663 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 73 transitions. Word has length 31 [2019-12-07 13:05:11,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:11,664 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 73 transitions. [2019-12-07 13:05:11,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:05:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2019-12-07 13:05:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-07 13:05:11,664 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:11,665 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:11,665 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:11,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1765712494, now seen corresponding path program 1 times [2019-12-07 13:05:11,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:11,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744140388] [2019-12-07 13:05:11,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:11,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744140388] [2019-12-07 13:05:11,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:11,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:05:11,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216681179] [2019-12-07 13:05:11,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:05:11,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:11,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:05:11,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:05:11,901 INFO L87 Difference]: Start difference. First operand 60 states and 73 transitions. Second operand 6 states. [2019-12-07 13:05:11,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:11,982 INFO L93 Difference]: Finished difference Result 105 states and 125 transitions. [2019-12-07 13:05:11,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:05:11,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2019-12-07 13:05:11,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:11,984 INFO L225 Difference]: With dead ends: 105 [2019-12-07 13:05:11,984 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 13:05:11,985 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:05:11,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 13:05:11,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 13:05:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 13:05:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2019-12-07 13:05:11,990 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 39 [2019-12-07 13:05:11,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:11,990 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2019-12-07 13:05:11,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:05:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2019-12-07 13:05:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-07 13:05:11,991 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:11,992 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:11,992 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:11,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:11,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1471442158, now seen corresponding path program 1 times [2019-12-07 13:05:11,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:11,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166717760] [2019-12-07 13:05:11,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:12,375 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166717760] [2019-12-07 13:05:12,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:12,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 13:05:12,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168371657] [2019-12-07 13:05:12,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:05:12,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:05:12,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:05:12,376 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand 8 states. [2019-12-07 13:05:20,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:20,498 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2019-12-07 13:05:20,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 13:05:20,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2019-12-07 13:05:20,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:20,499 INFO L225 Difference]: With dead ends: 145 [2019-12-07 13:05:20,499 INFO L226 Difference]: Without dead ends: 84 [2019-12-07 13:05:20,500 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2019-12-07 13:05:20,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-12-07 13:05:20,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 64. [2019-12-07 13:05:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-12-07 13:05:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 73 transitions. [2019-12-07 13:05:20,504 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 73 transitions. Word has length 43 [2019-12-07 13:05:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:20,504 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 73 transitions. [2019-12-07 13:05:20,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:05:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2019-12-07 13:05:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-07 13:05:20,505 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:20,505 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:20,505 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:20,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1543828716, now seen corresponding path program 1 times [2019-12-07 13:05:20,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:20,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684763963] [2019-12-07 13:05:20,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:20,723 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684763963] [2019-12-07 13:05:20,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:20,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:05:20,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114716086] [2019-12-07 13:05:20,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:05:20,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:20,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:05:20,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:05:20,725 INFO L87 Difference]: Start difference. First operand 64 states and 73 transitions. Second operand 5 states. [2019-12-07 13:05:23,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:23,427 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions. [2019-12-07 13:05:23,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:05:23,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2019-12-07 13:05:23,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:23,428 INFO L225 Difference]: With dead ends: 117 [2019-12-07 13:05:23,429 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 13:05:23,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:05:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 13:05:23,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 13:05:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 13:05:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 67 transitions. [2019-12-07 13:05:23,434 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 67 transitions. Word has length 43 [2019-12-07 13:05:23,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:23,434 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 67 transitions. [2019-12-07 13:05:23,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:05:23,434 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2019-12-07 13:05:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-07 13:05:23,435 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:23,435 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:23,435 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:23,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:23,436 INFO L82 PathProgramCache]: Analyzing trace with hash -190211794, now seen corresponding path program 1 times [2019-12-07 13:05:23,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:23,436 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988164739] [2019-12-07 13:05:23,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:23,551 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988164739] [2019-12-07 13:05:23,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:23,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:05:23,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883555664] [2019-12-07 13:05:23,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:05:23,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:23,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:05:23,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:05:23,553 INFO L87 Difference]: Start difference. First operand 60 states and 67 transitions. Second operand 4 states. [2019-12-07 13:05:23,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:23,583 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2019-12-07 13:05:23,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:05:23,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-12-07 13:05:23,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:23,585 INFO L225 Difference]: With dead ends: 108 [2019-12-07 13:05:23,585 INFO L226 Difference]: Without dead ends: 60 [2019-12-07 13:05:23,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:05:23,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-12-07 13:05:23,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-12-07 13:05:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-12-07 13:05:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2019-12-07 13:05:23,590 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 43 [2019-12-07 13:05:23,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:23,590 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2019-12-07 13:05:23,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:05:23,590 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2019-12-07 13:05:23,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-07 13:05:23,591 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:23,591 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:23,591 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:23,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:23,591 INFO L82 PathProgramCache]: Analyzing trace with hash 2110610796, now seen corresponding path program 1 times [2019-12-07 13:05:23,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:23,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053327979] [2019-12-07 13:05:23,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:25,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053327979] [2019-12-07 13:05:25,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:25,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:05:25,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49245291] [2019-12-07 13:05:25,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:05:25,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:25,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:05:25,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:05:25,318 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 6 states. [2019-12-07 13:05:25,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:25,418 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2019-12-07 13:05:25,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:05:25,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2019-12-07 13:05:25,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:25,419 INFO L225 Difference]: With dead ends: 60 [2019-12-07 13:05:25,419 INFO L226 Difference]: Without dead ends: 58 [2019-12-07 13:05:25,419 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:05:25,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-07 13:05:25,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-12-07 13:05:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-07 13:05:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2019-12-07 13:05:25,422 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 43 [2019-12-07 13:05:25,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:25,422 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2019-12-07 13:05:25,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:05:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2019-12-07 13:05:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-07 13:05:25,423 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:25,423 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:25,423 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:25,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:25,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1072540110, now seen corresponding path program 1 times [2019-12-07 13:05:25,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:25,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429427670] [2019-12-07 13:05:25,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:27,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429427670] [2019-12-07 13:05:27,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:27,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:05:27,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514976069] [2019-12-07 13:05:27,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:05:27,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:27,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:05:27,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:05:27,223 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand 6 states. [2019-12-07 13:05:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:27,313 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2019-12-07 13:05:27,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 13:05:27,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2019-12-07 13:05:27,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:27,313 INFO L225 Difference]: With dead ends: 58 [2019-12-07 13:05:27,313 INFO L226 Difference]: Without dead ends: 56 [2019-12-07 13:05:27,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:05:27,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-12-07 13:05:27,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-12-07 13:05:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-12-07 13:05:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2019-12-07 13:05:27,316 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 45 [2019-12-07 13:05:27,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:27,316 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2019-12-07 13:05:27,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:05:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2019-12-07 13:05:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-07 13:05:27,317 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:27,317 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:27,318 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:27,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:27,318 INFO L82 PathProgramCache]: Analyzing trace with hash -80976176, now seen corresponding path program 1 times [2019-12-07 13:05:27,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:27,318 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479069674] [2019-12-07 13:05:27,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:27,484 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479069674] [2019-12-07 13:05:27,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:27,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:05:27,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114571897] [2019-12-07 13:05:27,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:05:27,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:27,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:05:27,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:05:27,486 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 5 states. [2019-12-07 13:05:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:30,168 INFO L93 Difference]: Finished difference Result 56 states and 61 transitions. [2019-12-07 13:05:30,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:05:30,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2019-12-07 13:05:30,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:30,169 INFO L225 Difference]: With dead ends: 56 [2019-12-07 13:05:30,169 INFO L226 Difference]: Without dead ends: 54 [2019-12-07 13:05:30,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:05:30,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-07 13:05:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-07 13:05:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-07 13:05:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2019-12-07 13:05:30,172 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 47 [2019-12-07 13:05:30,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:30,172 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2019-12-07 13:05:30,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:05:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2019-12-07 13:05:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-07 13:05:30,172 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:05:30,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:05:30,173 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:05:30,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:05:30,173 INFO L82 PathProgramCache]: Analyzing trace with hash -508564366, now seen corresponding path program 1 times [2019-12-07 13:05:30,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:05:30,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712149205] [2019-12-07 13:05:30,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:05:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:05:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:05:32,388 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712149205] [2019-12-07 13:05:32,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:05:32,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 13:05:32,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23521892] [2019-12-07 13:05:32,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:05:32,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:05:32,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:05:32,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:05:32,389 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 7 states. [2019-12-07 13:05:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:05:32,505 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2019-12-07 13:05:32,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:05:32,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-12-07 13:05:32,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:05:32,506 INFO L225 Difference]: With dead ends: 54 [2019-12-07 13:05:32,506 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:05:32,506 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-12-07 13:05:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:05:32,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:05:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:05:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:05:32,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2019-12-07 13:05:32,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:05:32,507 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:05:32,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:05:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:05:32,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:05:32,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:05:32,692 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point L7261-3(line 7261) no Hoare annotation was computed. [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point L7261-1(line 7261) no Hoare annotation was computed. [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point L7261(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point L7261-7(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point L217(lines 217 219) no Hoare annotation was computed. [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,703 INFO L246 CegarLoopResult]: For program point L7261-6(lines 7261 7262) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L217-1(lines 217 219) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L217-2(lines 217 219) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-4(lines 7261 7262) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L217-3(lines 217 219) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-11(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L242 CegarLoopResult]: At program point L6964(lines 6963 6965) the Hoare annotation is: (and (<= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (<= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= 0 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset|) (= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 0)) [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-9(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-14(line 7261) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-13(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L242 CegarLoopResult]: At program point L7261-12(lines 7259 7265) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (<= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (<= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) (not (= 0 (select (select |#memory_$Pointer$.base| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base) (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED) 0)) (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= 0 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset|) (= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 0) (= 0 ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset)) [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-19(lines 7261 7262) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-17(lines 7261 7262) no Hoare annotation was computed. [2019-12-07 13:05:32,704 INFO L246 CegarLoopResult]: For program point L7261-16(line 7261) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L7261-22(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L7261-20(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L242 CegarLoopResult]: At program point L7261-25(lines 7259 7265) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) (.cse2 (<= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|)) (.cse3 (not (= 0 (select (select |#memory_$Pointer$.base| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base) (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 4))))) (.cse4 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED) 0))) (.cse5 (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0))) (.cse6 (= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 0)) (.cse1 (<= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base)) (.cse7 (= 0 ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset)) (.cse8 (= ULTIMATE.start_aws_byte_buf_clean_up_~buf.offset 0))) (or (and (= ULTIMATE.start_aws_byte_buf_clean_up_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) (= ULTIMATE.start_aws_byte_buf_clean_up_~buf.offset |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset|) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (let ((.cse9 (div |ULTIMATE.start_aws_byte_buf_is_valid_#res| 256))) (and .cse0 (< 0 (+ .cse9 1)) (not (= 0 (select (select |#memory_$Pointer$.base| ULTIMATE.start_aws_byte_buf_clean_up_~buf.base) (+ ULTIMATE.start_aws_byte_buf_clean_up_~buf.offset 4)))) .cse2 .cse3 .cse4 .cse5 (= 0 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset|) .cse6 (<= |ULTIMATE.start_aws_byte_buf_is_valid_#res| (* 256 .cse9)) .cse1 .cse7 .cse8)))) [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L7261-24(lines 7261 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-3(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-4(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-6(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-7(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-9(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,705 INFO L246 CegarLoopResult]: For program point L218-10(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L249 CegarLoopResult]: At program point L8923(line 8923) the Hoare annotation is: true [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L8907(lines 8907 8922) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-2(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-6(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-4(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-3(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-9(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-8(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-13(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-12(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-11(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-17(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L7264-15(line 7264) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L246 CegarLoopResult]: For program point L6671(lines 6671 6676) no Hoare annotation was computed. [2019-12-07 13:05:32,706 INFO L242 CegarLoopResult]: At program point L6960(lines 6956 6961) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (<= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (<= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= 0 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset|) (= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 0)) [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L7283(lines 7283 7296) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L6672-2(lines 6672 6674) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L6672(lines 6672 6674) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L7143(lines 7143 7147) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L242 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (and (<= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (<= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= 0 |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset|) (= ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 0)) [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L7135(lines 7135 7148) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 218) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L7285-2(lines 7285 7287) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L7285(line 7285) no Hoare annotation was computed. [2019-12-07 13:05:32,707 INFO L246 CegarLoopResult]: For program point L7285-4(lines 7285 7287) no Hoare annotation was computed. [2019-12-07 13:05:32,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:32,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:32,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:32,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:32,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:32,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:32,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:32,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:32,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:05:32 BoogieIcfgContainer [2019-12-07 13:05:32,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:05:32,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:05:32,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:05:32,737 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:05:32,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:04:57" (3/4) ... [2019-12-07 13:05:32,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:05:32,755 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2019-12-07 13:05:32,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2019-12-07 13:05:32,758 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-12-07 13:05:32,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-07 13:05:32,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 13:05:32,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 13:05:32,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:05:32,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 13:05:32,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && buf <= buf) && buf <= buf) && !(buf == 0)) && 0 == buf) && buf == 0 [2019-12-07 13:05:32,788 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && buf <= buf) && buf <= buf) && !(0 == #memory_$Pointer$[buf][buf + 4])) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) && !(buf == 0)) && 0 == buf) && buf == 0) && 0 == buf [2019-12-07 13:05:32,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((buf == buf && buf == buf) && !(\result == 0)) && buf <= buf) && buf <= buf) && !(0 == #memory_$Pointer$[buf][buf + 4])) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) && !(buf == 0)) && buf == 0) && 0 == buf) && buf == 0) || ((((((((((((!(\result == 0) && 0 < \result / 256 + 1) && !(0 == #memory_$Pointer$[buf][buf + 4])) && buf <= buf) && !(0 == #memory_$Pointer$[buf][buf + 4])) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) && !(buf == 0)) && 0 == buf) && buf == 0) && \result <= 256 * (\result / 256)) && buf <= buf) && 0 == buf) && buf == 0) [2019-12-07 13:05:33,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2d48baf9-7d88-46c8-9407-90613c0ec57f/bin/uautomizer/witness.graphml [2019-12-07 13:05:33,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:05:33,508 INFO L168 Benchmark]: Toolchain (without parser) took 44879.12 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 929.1 MB in the beginning and 1.7 GB in the end (delta: -773.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,509 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:05:33,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2118.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 929.1 MB in the beginning and 888.5 MB in the end (delta: 40.6 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,509 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.93 ms. Allocated memory is still 1.1 GB. Free memory was 888.5 MB in the beginning and 878.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,509 INFO L168 Benchmark]: Boogie Preprocessor took 58.46 ms. Allocated memory is still 1.1 GB. Free memory was 878.1 MB in the beginning and 867.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,510 INFO L168 Benchmark]: RCFGBuilder took 6418.39 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 421.0 MB). Free memory was 867.7 MB in the beginning and 1.4 GB in the end (delta: -527.5 MB). Peak memory consumption was 494.6 MB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,510 INFO L168 Benchmark]: TraceAbstraction took 35394.73 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 538.4 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.0 MB). Peak memory consumption was 549.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,510 INFO L168 Benchmark]: Witness Printer took 771.16 ms. Allocated memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -524.3 kB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -318.5 MB). Peak memory consumption was 613.4 MB. Max. memory is 11.5 GB. [2019-12-07 13:05:33,512 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2118.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 929.1 MB in the beginning and 888.5 MB in the end (delta: 40.6 MB). Peak memory consumption was 217.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.93 ms. Allocated memory is still 1.1 GB. Free memory was 888.5 MB in the beginning and 878.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.46 ms. Allocated memory is still 1.1 GB. Free memory was 878.1 MB in the beginning and 867.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6418.39 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 421.0 MB). Free memory was 867.7 MB in the beginning and 1.4 GB in the end (delta: -527.5 MB). Peak memory consumption was 494.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35394.73 ms. Allocated memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: 538.4 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.0 MB). Peak memory consumption was 549.5 MB. Max. memory is 11.5 GB. * Witness Printer took 771.16 ms. Allocated memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -524.3 kB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -318.5 MB). Peak memory consumption was 613.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 218]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 218]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 218]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 218]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 7259]: Loop Invariant [2019-12-07 13:05:33,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:33,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:33,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,517 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((!(\result == 0) && buf <= buf) && buf <= buf) && !(0 == #memory_$Pointer$[buf][buf + 4])) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) && !(buf == 0)) && 0 == buf) && buf == 0) && 0 == buf - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((buf <= buf && buf <= buf) && !(buf == 0)) && 0 == buf) && buf == 0 - InvariantResult [Line: 6956]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && buf <= buf) && buf <= buf) && !(buf == 0)) && 0 == buf) && buf == 0 - InvariantResult [Line: 8923]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6963]: Loop Invariant Derived loop invariant: (((buf <= buf && buf <= buf) && !(buf == 0)) && 0 == buf) && buf == 0 - InvariantResult [Line: 7259]: Loop Invariant [2019-12-07 13:05:33,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:33,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:33,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-12-07 13:05:33,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2019-12-07 13:05:33,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-12-07 13:05:33,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((buf == buf && buf == buf) && !(\result == 0)) && buf <= buf) && buf <= buf) && !(0 == #memory_$Pointer$[buf][buf + 4])) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) && !(buf == 0)) && buf == 0) && 0 == buf) && buf == 0) || ((((((((((((!(\result == 0) && 0 < \result / 256 + 1) && !(0 == #memory_$Pointer$[buf][buf + 4])) && buf <= buf) && !(0 == #memory_$Pointer$[buf][buf + 4])) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) && !(buf == 0)) && 0 == buf) && buf == 0) && \result <= 256 * (\result / 256)) && buf <= buf) && 0 == buf) && buf == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 64 locations, 4 error locations. Result: SAFE, OverallTime: 35.1s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 673 SDtfs, 1053 SDslu, 1306 SDs, 0 SdLazy, 630 SolverSat, 106 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 19 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 11 NumberOfFragments, 216 HoareAnnotationTreeSize, 6 FomulaSimplifications, 57 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 8.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 91032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...