./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 20:45:59,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 20:45:59,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 20:45:59,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 20:45:59,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 20:45:59,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 20:45:59,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 20:45:59,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 20:45:59,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 20:45:59,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 20:45:59,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 20:45:59,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 20:45:59,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 20:45:59,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 20:45:59,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 20:45:59,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 20:45:59,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 20:45:59,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 20:45:59,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 20:46:00,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 20:46:00,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 20:46:00,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 20:46:00,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 20:46:00,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 20:46:00,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 20:46:00,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 20:46:00,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 20:46:00,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 20:46:00,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 20:46:00,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 20:46:00,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 20:46:00,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 20:46:00,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 20:46:00,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 20:46:00,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 20:46:00,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 20:46:00,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 20:46:00,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 20:46:00,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 20:46:00,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 20:46:00,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 20:46:00,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 20:46:00,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 20:46:00,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 20:46:00,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 20:46:00,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 20:46:00,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 20:46:00,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 20:46:00,046 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 20:46:00,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 20:46:00,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 20:46:00,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 20:46:00,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 20:46:00,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 20:46:00,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 20:46:00,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 20:46:00,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 20:46:00,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 20:46:00,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 20:46:00,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 20:46:00,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 20:46:00,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 20:46:00,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 20:46:00,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 20:46:00,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 20:46:00,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 20:46:00,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 20:46:00,049 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 20:46:00,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 20:46:00,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 20:46:00,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 20:46:00,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-22 20:46:00,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 20:46:00,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 20:46:00,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 20:46:00,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 20:46:00,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 20:46:00,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-22 20:46:00,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be7c0de68/42cbe15dc7e243e794929167e3154852/FLAG802f5dc97 [2021-11-22 20:46:00,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 20:46:00,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-22 20:46:00,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be7c0de68/42cbe15dc7e243e794929167e3154852/FLAG802f5dc97 [2021-11-22 20:46:01,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be7c0de68/42cbe15dc7e243e794929167e3154852 [2021-11-22 20:46:01,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 20:46:01,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 20:46:01,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 20:46:01,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 20:46:01,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 20:46:01,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:46:01" (1/1) ... [2021-11-22 20:46:01,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da84092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:01, skipping insertion in model container [2021-11-22 20:46:01,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:46:01" (1/1) ... [2021-11-22 20:46:01,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 20:46:01,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 20:46:01,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-22 20:46:01,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-22 20:46:02,177 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,198 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,198 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,468 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 20:46:02,468 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 20:46:02,470 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 20:46:02,470 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 20:46:02,471 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 20:46:02,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 20:46:02,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 20:46:02,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 20:46:02,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 20:46:02,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 20:46:02,597 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 20:46:02,691 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 20:46:02,754 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 20:46:02,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-22 20:46:02,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-22 20:46:02,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,792 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,796 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,797 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,797 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,797 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,814 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 20:46:02,815 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 20:46:02,815 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 20:46:02,816 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 20:46:02,816 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 20:46:02,816 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 20:46:02,817 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 20:46:02,817 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 20:46:02,817 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 20:46:02,818 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 20:46:02,829 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 20:46:02,862 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 20:46:02,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 20:46:03,030 INFO L208 MainTranslator]: Completed translation [2021-11-22 20:46:03,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03 WrapperNode [2021-11-22 20:46:03,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 20:46:03,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 20:46:03,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 20:46:03,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 20:46:03,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,182 INFO L137 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 1034, calls inlined = 50, statements flattened = 1117 [2021-11-22 20:46:03,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 20:46:03,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 20:46:03,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 20:46:03,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 20:46:03,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 20:46:03,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 20:46:03,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 20:46:03,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 20:46:03,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (1/1) ... [2021-11-22 20:46:03,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 20:46:03,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 20:46:03,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 20:46:03,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 20:46:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 20:46:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-11-22 20:46:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 20:46:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 20:46:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 20:46:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 20:46:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 20:46:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 20:46:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 20:46:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 20:46:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 20:46:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 20:46:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 20:46:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 20:46:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 20:46:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 20:46:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-11-22 20:46:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 20:46:03,579 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 20:46:03,580 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 20:46:04,335 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !true; [2021-11-22 20:46:04,335 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 20:46:04,340 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 20:46:04,340 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 20:46:04,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:46:04 BoogieIcfgContainer [2021-11-22 20:46:04,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 20:46:04,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 20:46:04,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 20:46:04,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 20:46:04,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:46:01" (1/3) ... [2021-11-22 20:46:04,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3495e8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:46:04, skipping insertion in model container [2021-11-22 20:46:04,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:46:03" (2/3) ... [2021-11-22 20:46:04,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3495e8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:46:04, skipping insertion in model container [2021-11-22 20:46:04,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:46:04" (3/3) ... [2021-11-22 20:46:04,348 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-11-22 20:46:04,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 20:46:04,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-22 20:46:04,381 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 20:46:04,385 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 20:46:04,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-22 20:46:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 113 states have (on average 1.407079646017699) internal successors, (159), 121 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 20:46:04,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:04,400 INFO L514 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] [2021-11-22 20:46:04,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:04,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:04,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1109000935, now seen corresponding path program 1 times [2021-11-22 20:46:04,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:04,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228137187] [2021-11-22 20:46:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:04,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:04,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:04,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228137187] [2021-11-22 20:46:04,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228137187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:04,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:04,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 20:46:04,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114304393] [2021-11-22 20:46:04,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:04,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 20:46:04,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:04,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 20:46:04,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 20:46:04,755 INFO L87 Difference]: Start difference. First operand has 122 states, 113 states have (on average 1.407079646017699) internal successors, (159), 121 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:04,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:04,788 INFO L93 Difference]: Finished difference Result 239 states and 312 transitions. [2021-11-22 20:46:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 20:46:04,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 20:46:04,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:04,801 INFO L225 Difference]: With dead ends: 239 [2021-11-22 20:46:04,801 INFO L226 Difference]: Without dead ends: 116 [2021-11-22 20:46:04,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 20:46:04,810 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:04,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:46:04,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-22 20:46:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-22 20:46:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 108 states have (on average 1.25) internal successors, (135), 115 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2021-11-22 20:46:04,852 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 34 [2021-11-22 20:46:04,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:04,853 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2021-11-22 20:46:04,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2021-11-22 20:46:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 20:46:04,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:04,854 INFO L514 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] [2021-11-22 20:46:04,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 20:46:04,854 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:04,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:04,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1047697893, now seen corresponding path program 1 times [2021-11-22 20:46:04,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:04,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872271758] [2021-11-22 20:46:04,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:04,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:05,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:05,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872271758] [2021-11-22 20:46:05,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872271758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:05,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:05,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:46:05,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908793618] [2021-11-22 20:46:05,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:05,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 20:46:05,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:05,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 20:46:05,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 20:46:05,027 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:05,065 INFO L93 Difference]: Finished difference Result 243 states and 280 transitions. [2021-11-22 20:46:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 20:46:05,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-22 20:46:05,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:05,067 INFO L225 Difference]: With dead ends: 243 [2021-11-22 20:46:05,067 INFO L226 Difference]: Without dead ends: 197 [2021-11-22 20:46:05,067 INFO L932 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 [2021-11-22 20:46:05,068 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 183 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:05,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 627 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:46:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-22 20:46:05,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 119. [2021-11-22 20:46:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 118 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2021-11-22 20:46:05,076 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 34 [2021-11-22 20:46:05,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:05,076 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2021-11-22 20:46:05,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2021-11-22 20:46:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 20:46:05,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:05,077 INFO L514 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] [2021-11-22 20:46:05,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 20:46:05,078 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:05,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1693035711, now seen corresponding path program 1 times [2021-11-22 20:46:05,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:05,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668310719] [2021-11-22 20:46:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:05,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:05,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:05,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668310719] [2021-11-22 20:46:05,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668310719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:05,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:05,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:46:05,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777646125] [2021-11-22 20:46:05,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:05,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 20:46:05,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:05,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 20:46:05,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 20:46:05,207 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:05,307 INFO L93 Difference]: Finished difference Result 216 states and 250 transitions. [2021-11-22 20:46:05,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 20:46:05,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-22 20:46:05,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:05,308 INFO L225 Difference]: With dead ends: 216 [2021-11-22 20:46:05,308 INFO L226 Difference]: Without dead ends: 121 [2021-11-22 20:46:05,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 20:46:05,309 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 10 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:05,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 498 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 20:46:05,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-11-22 20:46:05,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2021-11-22 20:46:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 113 states have (on average 1.238938053097345) internal successors, (140), 120 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2021-11-22 20:46:05,315 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 36 [2021-11-22 20:46:05,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:05,315 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2021-11-22 20:46:05,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2021-11-22 20:46:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 20:46:05,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:05,317 INFO L514 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] [2021-11-22 20:46:05,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 20:46:05,317 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:05,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1938168525, now seen corresponding path program 1 times [2021-11-22 20:46:05,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:05,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752539094] [2021-11-22 20:46:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:05,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:05,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:05,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752539094] [2021-11-22 20:46:05,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752539094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:05,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:05,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:46:05,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800960145] [2021-11-22 20:46:05,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:05,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 20:46:05,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:05,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 20:46:05,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 20:46:05,458 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:05,513 INFO L93 Difference]: Finished difference Result 291 states and 334 transitions. [2021-11-22 20:46:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 20:46:05,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 20:46:05,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:05,516 INFO L225 Difference]: With dead ends: 291 [2021-11-22 20:46:05,516 INFO L226 Difference]: Without dead ends: 196 [2021-11-22 20:46:05,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-22 20:46:05,517 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 247 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:05,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 687 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:46:05,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-22 20:46:05,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 119. [2021-11-22 20:46:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 118 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2021-11-22 20:46:05,524 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 37 [2021-11-22 20:46:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:05,525 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2021-11-22 20:46:05,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2021-11-22 20:46:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 20:46:05,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:05,526 INFO L514 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] [2021-11-22 20:46:05,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 20:46:05,526 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:05,527 INFO L85 PathProgramCache]: Analyzing trace with hash 25965596, now seen corresponding path program 1 times [2021-11-22 20:46:05,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:05,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007456562] [2021-11-22 20:46:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:05,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:05,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:05,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007456562] [2021-11-22 20:46:05,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007456562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:05,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:05,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 20:46:05,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534338070] [2021-11-22 20:46:05,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:05,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 20:46:05,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:05,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 20:46:05,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 20:46:05,656 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:05,690 INFO L93 Difference]: Finished difference Result 183 states and 208 transitions. [2021-11-22 20:46:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 20:46:05,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-22 20:46:05,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:05,692 INFO L225 Difference]: With dead ends: 183 [2021-11-22 20:46:05,692 INFO L226 Difference]: Without dead ends: 140 [2021-11-22 20:46:05,692 INFO L932 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 [2021-11-22 20:46:05,693 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:05,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 516 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:46:05,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-22 20:46:05,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 122. [2021-11-22 20:46:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 121 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 140 transitions. [2021-11-22 20:46:05,699 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 140 transitions. Word has length 41 [2021-11-22 20:46:05,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:05,699 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 140 transitions. [2021-11-22 20:46:05,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 140 transitions. [2021-11-22 20:46:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 20:46:05,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:05,700 INFO L514 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] [2021-11-22 20:46:05,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 20:46:05,701 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:05,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:05,701 INFO L85 PathProgramCache]: Analyzing trace with hash 323666236, now seen corresponding path program 1 times [2021-11-22 20:46:05,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:05,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823408917] [2021-11-22 20:46:05,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:05,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:06,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:06,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823408917] [2021-11-22 20:46:06,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823408917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:06,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:06,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-22 20:46:06,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472632058] [2021-11-22 20:46:06,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:06,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 20:46:06,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:06,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 20:46:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-22 20:46:06,057 INFO L87 Difference]: Start difference. First operand 122 states and 140 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:06,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:06,489 INFO L93 Difference]: Finished difference Result 286 states and 329 transitions. [2021-11-22 20:46:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 20:46:06,490 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-22 20:46:06,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:06,490 INFO L225 Difference]: With dead ends: 286 [2021-11-22 20:46:06,490 INFO L226 Difference]: Without dead ends: 181 [2021-11-22 20:46:06,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2021-11-22 20:46:06,491 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 727 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:06,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 908 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 20:46:06,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-22 20:46:06,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 127. [2021-11-22 20:46:06,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 119 states have (on average 1.218487394957983) internal successors, (145), 126 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:06,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2021-11-22 20:46:06,499 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 47 [2021-11-22 20:46:06,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:06,500 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2021-11-22 20:46:06,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2021-11-22 20:46:06,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 20:46:06,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 20:46:06,501 INFO L514 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] [2021-11-22 20:46:06,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 20:46:06,501 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-22 20:46:06,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 20:46:06,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1428866903, now seen corresponding path program 1 times [2021-11-22 20:46:06,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 20:46:06,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182158175] [2021-11-22 20:46:06,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 20:46:06,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 20:46:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 20:46:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 20:46:06,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 20:46:06,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182158175] [2021-11-22 20:46:06,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182158175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 20:46:06,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 20:46:06,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 20:46:06,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987661139] [2021-11-22 20:46:06,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 20:46:06,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 20:46:06,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 20:46:06,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 20:46:06,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 20:46:06,691 INFO L87 Difference]: Start difference. First operand 127 states and 145 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:06,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 20:46:06,734 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions. [2021-11-22 20:46:06,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 20:46:06,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-22 20:46:06,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 20:46:06,735 INFO L225 Difference]: With dead ends: 127 [2021-11-22 20:46:06,735 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 20:46:06,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-22 20:46:06,736 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 20:46:06,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 20:46:06,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 20:46:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 20:46:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 20:46:06,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-11-22 20:46:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 20:46:06,738 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 20:46:06,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 20:46:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 20:46:06,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 20:46:06,740 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2021-11-22 20:46:06,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2021-11-22 20:46:06,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 20:46:06,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 20:46:06,790 INFO L854 garLoopResultBuilder]: At program point L250(lines 248 251) the Hoare annotation is: false [2021-11-22 20:46:06,790 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,791 INFO L854 garLoopResultBuilder]: At program point L6890(lines 6889 6891) the Hoare annotation is: false [2021-11-22 20:46:06,791 INFO L854 garLoopResultBuilder]: At program point L6890-2(lines 6889 6891) the Hoare annotation is: false [2021-11-22 20:46:06,791 INFO L854 garLoopResultBuilder]: At program point L6890-1(lines 6889 6891) the Hoare annotation is: false [2021-11-22 20:46:06,791 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 20:46:06,791 INFO L858 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2021-11-22 20:46:06,791 INFO L858 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2021-11-22 20:46:06,791 INFO L854 garLoopResultBuilder]: At program point L6925(lines 6923 6926) the Hoare annotation is: false [2021-11-22 20:46:06,792 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,792 INFO L858 garLoopResultBuilder]: For program point L6810(lines 6810 6811) no Hoare annotation was computed. [2021-11-22 20:46:06,792 INFO L854 garLoopResultBuilder]: At program point L8990(lines 8988 8991) the Hoare annotation is: false [2021-11-22 20:46:06,792 INFO L858 garLoopResultBuilder]: For program point L6810-2(lines 6810 6811) no Hoare annotation was computed. [2021-11-22 20:46:06,792 INFO L858 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2021-11-22 20:46:06,792 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2021-11-22 20:46:06,792 INFO L858 garLoopResultBuilder]: For program point L9338-2(lines 9338 9344) no Hoare annotation was computed. [2021-11-22 20:46:06,793 INFO L854 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2021-11-22 20:46:06,793 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,793 INFO L858 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,793 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,793 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,793 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,794 INFO L858 garLoopResultBuilder]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,794 INFO L854 garLoopResultBuilder]: At program point L2617(lines 2613 2621) the Hoare annotation is: false [2021-11-22 20:46:06,794 INFO L858 garLoopResultBuilder]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,794 INFO L858 garLoopResultBuilder]: For program point L222-7(lines 222 224) no Hoare annotation was computed. [2021-11-22 20:46:06,794 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 20:46:06,794 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,794 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,795 INFO L858 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-12(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-13(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-15(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-16(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-18(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-19(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-21(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,796 INFO L858 garLoopResultBuilder]: For program point L223-22(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,797 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L854 garLoopResultBuilder]: At program point L8964(lines 8964 8986) the Hoare annotation is: false [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,798 INFO L858 garLoopResultBuilder]: For program point L6900-2(lines 6900 6902) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L6900(lines 6900 6902) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,799 INFO L854 garLoopResultBuilder]: At program point L6900-3(lines 6899 6903) the Hoare annotation is: false [2021-11-22 20:46:06,799 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L854 garLoopResultBuilder]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: false [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L6256-9(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L6256-10(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,800 INFO L858 garLoopResultBuilder]: For program point L6256-7(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,801 INFO L854 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-22 20:46:06,801 INFO L858 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,801 INFO L854 garLoopResultBuilder]: At program point L6256-13(lines 6252 6257) the Hoare annotation is: false [2021-11-22 20:46:06,801 INFO L854 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-22 20:46:06,801 INFO L858 garLoopResultBuilder]: For program point L6256-14(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,801 INFO L858 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-22 20:46:06,801 INFO L858 garLoopResultBuilder]: For program point L6256-12(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,801 INFO L858 garLoopResultBuilder]: For program point L6256-17(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L6256-16(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L6256-21(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L6256-19(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L854 garLoopResultBuilder]: At program point L6256-20(lines 6252 6257) the Hoare annotation is: false [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L6256-26(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,802 INFO L858 garLoopResultBuilder]: For program point L6256-23(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,803 INFO L858 garLoopResultBuilder]: For program point L6256-24(line 6256) no Hoare annotation was computed. [2021-11-22 20:46:06,803 INFO L858 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2021-11-22 20:46:06,803 INFO L854 garLoopResultBuilder]: At program point L6256-27(lines 6252 6257) the Hoare annotation is: false [2021-11-22 20:46:06,803 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2021-11-22 20:46:06,803 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,803 INFO L854 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-22 20:46:06,803 INFO L858 garLoopResultBuilder]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2021-11-22 20:46:06,803 INFO L854 garLoopResultBuilder]: At program point L6886(lines 6882 6887) the Hoare annotation is: false [2021-11-22 20:46:06,804 INFO L861 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2021-11-22 20:46:06,804 INFO L854 garLoopResultBuilder]: At program point L6886-1(lines 6882 6887) the Hoare annotation is: false [2021-11-22 20:46:06,804 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 20:46:06,804 INFO L854 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: false [2021-11-22 20:46:06,804 INFO L854 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: false [2021-11-22 20:46:06,804 INFO L858 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-22 20:46:06,804 INFO L858 garLoopResultBuilder]: For program point L7101(lines 7101 7111) no Hoare annotation was computed. [2021-11-22 20:46:06,804 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-22 20:46:06,805 INFO L854 garLoopResultBuilder]: At program point L1998(lines 1988 1999) the Hoare annotation is: false [2021-11-22 20:46:06,805 INFO L854 garLoopResultBuilder]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: false [2021-11-22 20:46:06,805 INFO L858 garLoopResultBuilder]: For program point L8968(lines 8968 8972) no Hoare annotation was computed. [2021-11-22 20:46:06,805 INFO L858 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2021-11-22 20:46:06,805 INFO L858 garLoopResultBuilder]: For program point L9332-2(line 9332) no Hoare annotation was computed. [2021-11-22 20:46:06,805 INFO L854 garLoopResultBuilder]: At program point L6937(lines 6928 6938) the Hoare annotation is: false [2021-11-22 20:46:06,805 INFO L858 garLoopResultBuilder]: For program point L7317-1(lines 7317 7319) no Hoare annotation was computed. [2021-11-22 20:46:06,805 INFO L854 garLoopResultBuilder]: At program point L8985-2(line 8985) the Hoare annotation is: false [2021-11-22 20:46:06,806 INFO L858 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2021-11-22 20:46:06,806 INFO L858 garLoopResultBuilder]: For program point L8985-3(line 8985) no Hoare annotation was computed. [2021-11-22 20:46:06,806 INFO L854 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: false [2021-11-22 20:46:06,806 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (and (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (= 195 |~#s_can_fail_allocator_static~0.base|) (< 0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616))) [2021-11-22 20:46:06,806 INFO L854 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-11-22 20:46:06,808 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-22 20:46:06,809 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 20:46:06,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 08:46:06 BoogieIcfgContainer [2021-11-22 20:46:06,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 20:46:06,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 20:46:06,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 20:46:06,819 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 20:46:06,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:46:04" (3/4) ... [2021-11-22 20:46:06,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 20:46:06,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 193 nodes and edges [2021-11-22 20:46:06,834 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2021-11-22 20:46:06,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-22 20:46:06,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-22 20:46:06,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-22 20:46:06,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 20:46:06,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 20:46:06,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 20:46:07,582 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-22 20:46:07,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 20:46:07,583 INFO L158 Benchmark]: Toolchain (without parser) took 6250.50ms. Allocated memory was 94.4MB in the beginning and 373.3MB in the end (delta: 278.9MB). Free memory was 57.0MB in the beginning and 265.5MB in the end (delta: -208.5MB). Peak memory consumption was 255.6MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,583 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 20:46:07,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.30ms. Allocated memory was 94.4MB in the beginning and 220.2MB in the end (delta: 125.8MB). Free memory was 56.8MB in the beginning and 157.1MB in the end (delta: -100.4MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.27ms. Allocated memory is still 220.2MB. Free memory was 157.1MB in the beginning and 144.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,584 INFO L158 Benchmark]: Boogie Preprocessor took 102.49ms. Allocated memory is still 220.2MB. Free memory was 144.5MB in the beginning and 137.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,584 INFO L158 Benchmark]: RCFGBuilder took 1055.68ms. Allocated memory is still 220.2MB. Free memory was 137.2MB in the beginning and 138.2MB in the end (delta: -990.8kB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,584 INFO L158 Benchmark]: TraceAbstraction took 2475.09ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 138.2MB in the beginning and 243.0MB in the end (delta: -104.8MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,585 INFO L158 Benchmark]: Witness Printer took 764.17ms. Allocated memory was 310.4MB in the beginning and 373.3MB in the end (delta: 62.9MB). Free memory was 243.0MB in the beginning and 265.5MB in the end (delta: -22.5MB). Peak memory consumption was 227.1MB. Max. memory is 16.1GB. [2021-11-22 20:46:07,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 45.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.30ms. Allocated memory was 94.4MB in the beginning and 220.2MB in the end (delta: 125.8MB). Free memory was 56.8MB in the beginning and 157.1MB in the end (delta: -100.4MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.27ms. Allocated memory is still 220.2MB. Free memory was 157.1MB in the beginning and 144.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.49ms. Allocated memory is still 220.2MB. Free memory was 144.5MB in the beginning and 137.2MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1055.68ms. Allocated memory is still 220.2MB. Free memory was 137.2MB in the beginning and 138.2MB in the end (delta: -990.8kB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2475.09ms. Allocated memory was 220.2MB in the beginning and 310.4MB in the end (delta: 90.2MB). Free memory was 138.2MB in the beginning and 243.0MB in the end (delta: -104.8MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. * Witness Printer took 764.17ms. Allocated memory was 310.4MB in the beginning and 373.3MB in the end (delta: 62.9MB). Free memory was 243.0MB in the beginning and 265.5MB in the end (delta: -22.5MB). Peak memory consumption was 227.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1219 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1219 mSDsluCounter, 3380 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2401 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 979 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=6, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 227 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 31 NumberOfFragments, 41 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (max_size <= 18446744073710786165 && 195 == s_can_fail_allocator_static) && 0 < max_size / 18446744073709551616 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8964]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6923]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 20:46:07,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE