./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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_hash_callback_string_eq_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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 10:57:05,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 10:57:05,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 10:57:05,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 10:57:05,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 10:57:05,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 10:57:05,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 10:57:05,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 10:57:05,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 10:57:05,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 10:57:05,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 10:57:05,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 10:57:05,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 10:57:06,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 10:57:06,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 10:57:06,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 10:57:06,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 10:57:06,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 10:57:06,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 10:57:06,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 10:57:06,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 10:57:06,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 10:57:06,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 10:57:06,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 10:57:06,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 10:57:06,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 10:57:06,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 10:57:06,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 10:57:06,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 10:57:06,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 10:57:06,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 10:57:06,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 10:57:06,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 10:57:06,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 10:57:06,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 10:57:06,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 10:57:06,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 10:57:06,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 10:57:06,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 10:57:06,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 10:57:06,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 10:57:06,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 10:57:06,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 10:57:06,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 10:57:06,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 10:57:06,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 10:57:06,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 10:57:06,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 10:57:06,055 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 10:57:06,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 10:57:06,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 10:57:06,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 10:57:06,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 10:57:06,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 10:57:06,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 10:57:06,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 10:57:06,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 10:57:06,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 10:57:06,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 10:57:06,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 10:57:06,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 10:57:06,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 10:57:06,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 10:57:06,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 10:57:06,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 10:57:06,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 10:57:06,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 10:57:06,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 10:57:06,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 10:57:06,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 10:57:06,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 10:57:06,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2021-11-06 10:57:06,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 10:57:06,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 10:57:06,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 10:57:06,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 10:57:06,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 10:57:06,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-11-06 10:57:06,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1106938a0/a28f9f462a42415f81693d1e3329e4e7/FLAG1474fb473 [2021-11-06 10:57:07,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 10:57:07,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-11-06 10:57:07,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1106938a0/a28f9f462a42415f81693d1e3329e4e7/FLAG1474fb473 [2021-11-06 10:57:07,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1106938a0/a28f9f462a42415f81693d1e3329e4e7 [2021-11-06 10:57:07,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 10:57:07,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 10:57:07,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 10:57:07,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 10:57:07,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 10:57:07,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:07" (1/1) ... [2021-11-06 10:57:07,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1faf8c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:07, skipping insertion in model container [2021-11-06 10:57:07,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:07" (1/1) ... [2021-11-06 10:57:07,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 10:57:07,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 10:57:07,963 WARN L228 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_hash_callback_string_eq_harness.i[4501,4514] [2021-11-06 10:57:07,974 WARN L228 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_hash_callback_string_eq_harness.i[4561,4574] [2021-11-06 10:57:08,004 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 10:57:08,011 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 10:57:08,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,734 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,734 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,735 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,736 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,746 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,749 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:08,749 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 10:57:09,117 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 10:57:09,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 10:57:09,120 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 10:57:09,126 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 10:57:09,128 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 10:57:09,128 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 10:57:09,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 10:57:09,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 10:57:09,129 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 10:57:09,279 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 10:57:09,346 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,347 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,656 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,657 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,680 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,681 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,689 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,690 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,711 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,713 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,714 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,714 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,715 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,716 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,716 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 10:57:09,824 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 10:57:09,853 WARN L228 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_hash_callback_string_eq_harness.i[4501,4514] [2021-11-06 10:57:09,853 WARN L228 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_hash_callback_string_eq_harness.i[4561,4574] [2021-11-06 10:57:09,855 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 10:57:09,856 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 10:57:09,896 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,897 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,897 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,897 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,898 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,903 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,903 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,904 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:09,931 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 10:57:09,932 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 10:57:09,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 10:57:09,933 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 10:57:09,934 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 10:57:09,934 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 10:57:09,934 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 10:57:09,935 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 10:57:09,935 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 10:57:09,936 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 10:57:09,952 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 10:57:10,018 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,021 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,068 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,069 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,075 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,080 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,080 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,087 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,088 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,088 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,088 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,090 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 10:57:10,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 10:57:10,376 INFO L208 MainTranslator]: Completed translation [2021-11-06 10:57:10,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10 WrapperNode [2021-11-06 10:57:10,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 10:57:10,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 10:57:10,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 10:57:10,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 10:57:10,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 10:57:10,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 10:57:10,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 10:57:10,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 10:57:10,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 10:57:10,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 10:57:10,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 10:57:10,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 10:57:10,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (1/1) ... [2021-11-06 10:57:10,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 10:57:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 10:57:10,728 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) [2021-11-06 10:57:10,755 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 [2021-11-06 10:57:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 10:57:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 10:57:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 10:57:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 10:57:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 10:57:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 10:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 10:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 10:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 10:57:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 10:57:11,530 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !true; [2021-11-06 10:57:11,543 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 10:57:11,543 INFO L299 CfgBuilder]: Removed 86 assume(true) statements. [2021-11-06 10:57:11,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:11 BoogieIcfgContainer [2021-11-06 10:57:11,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 10:57:11,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 10:57:11,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 10:57:11,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 10:57:11,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:57:07" (1/3) ... [2021-11-06 10:57:11,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8536b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:11, skipping insertion in model container [2021-11-06 10:57:11,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:10" (2/3) ... [2021-11-06 10:57:11,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8536b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:11, skipping insertion in model container [2021-11-06 10:57:11,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:11" (3/3) ... [2021-11-06 10:57:11,555 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2021-11-06 10:57:11,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 10:57:11,560 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-06 10:57:11,610 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 10:57:11,620 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 [2021-11-06 10:57:11,620 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-06 10:57:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 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) [2021-11-06 10:57:11,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-06 10:57:11,649 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:11,650 INFO L513 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] [2021-11-06 10:57:11,651 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:11,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:11,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1460465419, now seen corresponding path program 1 times [2021-11-06 10:57:11,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:11,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120699544] [2021-11-06 10:57:11,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:11,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:12,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:12,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120699544] [2021-11-06 10:57:12,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120699544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:12,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:12,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 10:57:12,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115331207] [2021-11-06 10:57:12,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 10:57:12,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 10:57:12,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 10:57:12,078 INFO L87 Difference]: Start difference. First operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-11-06 10:57:12,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:12,113 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2021-11-06 10:57:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 10:57:12,119 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2021-11-06 10:57:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:12,127 INFO L225 Difference]: With dead ends: 198 [2021-11-06 10:57:12,127 INFO L226 Difference]: Without dead ends: 95 [2021-11-06 10:57:12,130 INFO L786 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 [2021-11-06 10:57:12,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-06 10:57:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-06 10:57:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 94 states have internal predecessors, (112), 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) [2021-11-06 10:57:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2021-11-06 10:57:12,171 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 45 [2021-11-06 10:57:12,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:12,171 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2021-11-06 10:57:12,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-11-06 10:57:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-06 10:57:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-06 10:57:12,175 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:12,175 INFO L513 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] [2021-11-06 10:57:12,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 10:57:12,176 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:12,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1370581995, now seen corresponding path program 1 times [2021-11-06 10:57:12,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:12,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883965983] [2021-11-06 10:57:12,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:12,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:12,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:12,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883965983] [2021-11-06 10:57:12,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883965983] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:12,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:12,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-06 10:57:12,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085394557] [2021-11-06 10:57:12,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-06 10:57:12,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:12,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-06 10:57:12,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-06 10:57:12,419 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-11-06 10:57:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:12,774 INFO L93 Difference]: Finished difference Result 201 states and 236 transitions. [2021-11-06 10:57:12,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-06 10:57:12,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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 46 [2021-11-06 10:57:12,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:12,776 INFO L225 Difference]: With dead ends: 201 [2021-11-06 10:57:12,776 INFO L226 Difference]: Without dead ends: 136 [2021-11-06 10:57:12,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2021-11-06 10:57:12,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-11-06 10:57:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 95. [2021-11-06 10:57:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 94 states have internal predecessors, (108), 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) [2021-11-06 10:57:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-11-06 10:57:12,785 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 46 [2021-11-06 10:57:12,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:12,786 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-11-06 10:57:12,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2021-11-06 10:57:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-11-06 10:57:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-06 10:57:12,787 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:12,788 INFO L513 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] [2021-11-06 10:57:12,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 10:57:12,788 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash 947880169, now seen corresponding path program 1 times [2021-11-06 10:57:12,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:12,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30040020] [2021-11-06 10:57:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:12,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:13,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:13,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30040020] [2021-11-06 10:57:13,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30040020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:13,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:13,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-06 10:57:13,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591824015] [2021-11-06 10:57:13,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-06 10:57:13,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:13,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-06 10:57:13,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-06 10:57:13,020 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2021-11-06 10:57:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:13,197 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2021-11-06 10:57:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-06 10:57:13,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 46 [2021-11-06 10:57:13,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:13,199 INFO L225 Difference]: With dead ends: 141 [2021-11-06 10:57:13,200 INFO L226 Difference]: Without dead ends: 95 [2021-11-06 10:57:13,200 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-11-06 10:57:13,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-06 10:57:13,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-06 10:57:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1758241758241759) internal successors, (107), 94 states have internal predecessors, (107), 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) [2021-11-06 10:57:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2021-11-06 10:57:13,216 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 46 [2021-11-06 10:57:13,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:13,216 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2021-11-06 10:57:13,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2021-11-06 10:57:13,217 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2021-11-06 10:57:13,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-06 10:57:13,218 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:13,218 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:57:13,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 10:57:13,218 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:13,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash 479564307, now seen corresponding path program 1 times [2021-11-06 10:57:13,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:13,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437059555] [2021-11-06 10:57:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:13,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:13,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:13,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437059555] [2021-11-06 10:57:13,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437059555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:13,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:13,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-06 10:57:13,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274935626] [2021-11-06 10:57:13,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-06 10:57:13,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:13,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-06 10:57:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-06 10:57:13,405 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2021-11-06 10:57:13,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:13,702 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2021-11-06 10:57:13,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-06 10:57:13,703 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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 51 [2021-11-06 10:57:13,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:13,704 INFO L225 Difference]: With dead ends: 132 [2021-11-06 10:57:13,704 INFO L226 Difference]: Without dead ends: 95 [2021-11-06 10:57:13,705 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2021-11-06 10:57:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-06 10:57:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-06 10:57:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.164835164835165) internal successors, (106), 94 states have internal predecessors, (106), 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) [2021-11-06 10:57:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 106 transitions. [2021-11-06 10:57:13,711 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 106 transitions. Word has length 51 [2021-11-06 10:57:13,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:13,711 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 106 transitions. [2021-11-06 10:57:13,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 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) [2021-11-06 10:57:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-06 10:57:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-06 10:57:13,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:13,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:57:13,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 10:57:13,713 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:13,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1733405211, now seen corresponding path program 1 times [2021-11-06 10:57:13,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:13,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136484028] [2021-11-06 10:57:13,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:13,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:13,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:13,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136484028] [2021-11-06 10:57:13,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136484028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:13,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:13,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-06 10:57:13,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494993667] [2021-11-06 10:57:13,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-06 10:57:13,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:13,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-06 10:57:13,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-06 10:57:13,964 INFO L87 Difference]: Start difference. First operand 95 states and 106 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2021-11-06 10:57:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:14,185 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2021-11-06 10:57:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-06 10:57:14,186 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 56 [2021-11-06 10:57:14,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:14,187 INFO L225 Difference]: With dead ends: 116 [2021-11-06 10:57:14,187 INFO L226 Difference]: Without dead ends: 95 [2021-11-06 10:57:14,187 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-06 10:57:14,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-06 10:57:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-06 10:57:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 94 states have internal predecessors, (105), 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) [2021-11-06 10:57:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2021-11-06 10:57:14,193 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 56 [2021-11-06 10:57:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:14,194 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2021-11-06 10:57:14,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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) [2021-11-06 10:57:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2021-11-06 10:57:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 10:57:14,195 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:14,199 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:57:14,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 10:57:14,200 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:14,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:14,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2102829230, now seen corresponding path program 1 times [2021-11-06 10:57:14,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:14,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174001632] [2021-11-06 10:57:14,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:14,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:14,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:14,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174001632] [2021-11-06 10:57:14,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174001632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:14,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:14,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-06 10:57:14,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923995141] [2021-11-06 10:57:14,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-06 10:57:14,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:14,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-06 10:57:14,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-06 10:57:14,482 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-11-06 10:57:14,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:14,780 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2021-11-06 10:57:14,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-06 10:57:14,780 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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 57 [2021-11-06 10:57:14,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:14,781 INFO L225 Difference]: With dead ends: 95 [2021-11-06 10:57:14,781 INFO L226 Difference]: Without dead ends: 93 [2021-11-06 10:57:14,782 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2021-11-06 10:57:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-06 10:57:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-06 10:57:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 90 states have (on average 1.1444444444444444) internal successors, (103), 92 states have internal predecessors, (103), 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) [2021-11-06 10:57:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2021-11-06 10:57:14,789 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 57 [2021-11-06 10:57:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:14,789 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2021-11-06 10:57:14,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 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) [2021-11-06 10:57:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2021-11-06 10:57:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-06 10:57:14,791 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 10:57:14,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:57:14,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 10:57:14,791 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-06 10:57:14,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 10:57:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1291137303, now seen corresponding path program 1 times [2021-11-06 10:57:14,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 10:57:14,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852456687] [2021-11-06 10:57:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 10:57:14,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 10:57:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 10:57:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 10:57:15,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 10:57:15,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852456687] [2021-11-06 10:57:15,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852456687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 10:57:15,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 10:57:15,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 10:57:15,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863016649] [2021-11-06 10:57:15,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 10:57:15,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 10:57:15,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 10:57:15,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-06 10:57:15,144 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-11-06 10:57:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 10:57:15,189 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2021-11-06 10:57:15,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 10:57:15,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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 61 [2021-11-06 10:57:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 10:57:15,189 INFO L225 Difference]: With dead ends: 93 [2021-11-06 10:57:15,190 INFO L226 Difference]: Without dead ends: 0 [2021-11-06 10:57:15,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-06 10:57:15,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-06 10:57:15,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-06 10:57:15,190 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) [2021-11-06 10:57:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-06 10:57:15,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-11-06 10:57:15,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 10:57:15,191 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-06 10:57:15,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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) [2021-11-06 10:57:15,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-06 10:57:15,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-06 10:57:15,194 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 10:57:15,194 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 10:57:15,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 10:57:15,195 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 10:57:15,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 10:57:15,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-06 10:57:15,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-06 10:57:15,244 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,244 INFO L857 garLoopResultBuilder]: For program point L7699(lines 7699 7703) no Hoare annotation was computed. [2021-11-06 10:57:15,244 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-06 10:57:15,244 INFO L857 garLoopResultBuilder]: For program point L11317(lines 11317 11327) no Hoare annotation was computed. [2021-11-06 10:57:15,244 INFO L857 garLoopResultBuilder]: For program point L11319-2(line 11319) no Hoare annotation was computed. [2021-11-06 10:57:15,245 INFO L857 garLoopResultBuilder]: For program point L11319(line 11319) no Hoare annotation was computed. [2021-11-06 10:57:15,245 INFO L853 garLoopResultBuilder]: At program point L6828-1(lines 6819 6829) the Hoare annotation is: false [2021-11-06 10:57:15,245 INFO L853 garLoopResultBuilder]: At program point L6828(lines 6819 6829) the Hoare annotation is: false [2021-11-06 10:57:15,245 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-06 10:57:15,245 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-06 10:57:15,245 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 7114 7124) no Hoare annotation was computed. [2021-11-06 10:57:15,246 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-06 10:57:15,246 INFO L853 garLoopResultBuilder]: At program point L11074(lines 11056 11075) the Hoare annotation is: false [2021-11-06 10:57:15,246 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-06 10:57:15,246 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,246 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,246 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,246 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,247 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,247 INFO L853 garLoopResultBuilder]: At program point L10810-5(line 10810) the Hoare annotation is: false [2021-11-06 10:57:15,247 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,247 INFO L857 garLoopResultBuilder]: For program point L11058(line 11058) no Hoare annotation was computed. [2021-11-06 10:57:15,247 INFO L853 garLoopResultBuilder]: At program point L7705(lines 7686 7706) the Hoare annotation is: false [2021-11-06 10:57:15,247 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,247 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,247 INFO L857 garLoopResultBuilder]: For program point L10810-1(line 10810) no Hoare annotation was computed. [2021-11-06 10:57:15,248 INFO L857 garLoopResultBuilder]: For program point L10810-3(line 10810) no Hoare annotation was computed. [2021-11-06 10:57:15,248 INFO L857 garLoopResultBuilder]: For program point L11058-2(line 11058) no Hoare annotation was computed. [2021-11-06 10:57:15,248 INFO L857 garLoopResultBuilder]: For program point L11323(lines 11323 11326) no Hoare annotation was computed. [2021-11-06 10:57:15,248 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,248 INFO L857 garLoopResultBuilder]: For program point L11059(line 11059) no Hoare annotation was computed. [2021-11-06 10:57:15,248 INFO L857 garLoopResultBuilder]: For program point L11059-2(line 11059) no Hoare annotation was computed. [2021-11-06 10:57:15,249 INFO L857 garLoopResultBuilder]: For program point L7112(lines 7112 7125) no Hoare annotation was computed. [2021-11-06 10:57:15,249 INFO L857 garLoopResultBuilder]: For program point L11060(lines 11060 11064) no Hoare annotation was computed. [2021-11-06 10:57:15,249 INFO L853 garLoopResultBuilder]: At program point L6816-1(lines 6813 6817) the Hoare annotation is: false [2021-11-06 10:57:15,249 INFO L853 garLoopResultBuilder]: At program point L6816(lines 6813 6817) the Hoare annotation is: false [2021-11-06 10:57:15,249 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-06 10:57:15,249 INFO L853 garLoopResultBuilder]: At program point L6899-1(lines 6895 6900) the Hoare annotation is: false [2021-11-06 10:57:15,249 INFO L853 garLoopResultBuilder]: At program point L6899(lines 6895 6900) the Hoare annotation is: false [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,250 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,251 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,251 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,251 INFO L857 garLoopResultBuilder]: For program point L210-9(lines 7693 7697) no Hoare annotation was computed. [2021-11-06 10:57:15,251 INFO L857 garLoopResultBuilder]: For program point L210-10(lines 210 212) no Hoare annotation was computed. [2021-11-06 10:57:15,251 INFO L853 garLoopResultBuilder]: At program point L6272-1(lines 6263 6273) the Hoare annotation is: false [2021-11-06 10:57:15,251 INFO L853 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,252 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,253 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-06 10:57:15,253 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,253 INFO L853 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-06 10:57:15,253 INFO L853 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: false [2021-11-06 10:57:15,253 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,253 INFO L857 garLoopResultBuilder]: For program point L211-18(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,253 INFO L857 garLoopResultBuilder]: For program point L211-20(line 211) no Hoare annotation was computed. [2021-11-06 10:57:15,254 INFO L857 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,254 INFO L857 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,254 INFO L857 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,254 INFO L853 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: false [2021-11-06 10:57:15,254 INFO L857 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,254 INFO L857 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,254 INFO L857 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,255 INFO L857 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,255 INFO L857 garLoopResultBuilder]: For program point L6257-14(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,255 INFO L857 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,255 INFO L853 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: false [2021-11-06 10:57:15,255 INFO L857 garLoopResultBuilder]: For program point L6257-19(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,255 INFO L857 garLoopResultBuilder]: For program point L6257-16(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,255 INFO L857 garLoopResultBuilder]: For program point L6257-17(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,256 INFO L860 garLoopResultBuilder]: At program point L11328(line 11328) the Hoare annotation is: true [2021-11-06 10:57:15,256 INFO L857 garLoopResultBuilder]: For program point L6257-23(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,256 INFO L853 garLoopResultBuilder]: At program point L6257-20(lines 6253 6258) the Hoare annotation is: false [2021-11-06 10:57:15,256 INFO L857 garLoopResultBuilder]: For program point L6257-21(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,256 INFO L857 garLoopResultBuilder]: For program point L6257-26(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,256 INFO L853 garLoopResultBuilder]: At program point L6257-27(lines 6253 6258) the Hoare annotation is: false [2021-11-06 10:57:15,256 INFO L857 garLoopResultBuilder]: For program point L6257-24(line 6257) no Hoare annotation was computed. [2021-11-06 10:57:15,257 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-06 10:57:15,257 INFO L853 garLoopResultBuilder]: At program point L6903-1(lines 6902 6904) the Hoare annotation is: false [2021-11-06 10:57:15,257 INFO L853 garLoopResultBuilder]: At program point L6903(lines 6902 6904) the Hoare annotation is: false [2021-11-06 10:57:15,257 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-06 10:57:15,257 INFO L857 garLoopResultBuilder]: For program point L11065(lines 11065 11073) no Hoare annotation was computed. [2021-11-06 10:57:15,257 INFO L853 garLoopResultBuilder]: At program point L10803(lines 10803 10811) the Hoare annotation is: false [2021-11-06 10:57:15,258 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 96) [2021-11-06 10:57:15,258 INFO L853 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-11-06 10:57:15,258 INFO L857 garLoopResultBuilder]: For program point L6823(lines 6823 6824) no Hoare annotation was computed. [2021-11-06 10:57:15,258 INFO L853 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-06 10:57:15,258 INFO L857 garLoopResultBuilder]: For program point L6823-5(lines 6823 6824) no Hoare annotation was computed. [2021-11-06 10:57:15,258 INFO L857 garLoopResultBuilder]: For program point L6823-3(lines 6823 6824) no Hoare annotation was computed. [2021-11-06 10:57:15,258 INFO L857 garLoopResultBuilder]: For program point L6823-2(lines 6823 6824) no Hoare annotation was computed. [2021-11-06 10:57:15,261 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-06 10:57:15,262 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-06 10:57:15,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:57:15 BoogieIcfgContainer [2021-11-06 10:57:15,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-06 10:57:15,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-06 10:57:15,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-06 10:57:15,273 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-06 10:57:15,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:11" (3/4) ... [2021-11-06 10:57:15,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-06 10:57:15,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-11-06 10:57:15,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-06 10:57:15,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-06 10:57:15,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-06 10:57:15,469 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-06 10:57:15,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-06 10:57:15,470 INFO L168 Benchmark]: Toolchain (without parser) took 8008.81 ms. Allocated memory was 100.7 MB in the beginning and 264.2 MB in the end (delta: 163.6 MB). Free memory was 55.8 MB in the beginning and 157.4 MB in the end (delta: -101.6 MB). Peak memory consumption was 167.0 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,470 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 79.7 MB. Free memory was 49.7 MB in the beginning and 60.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 10:57:15,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2913.83 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 55.5 MB in the beginning and 56.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.07 ms. Allocated memory was 146.8 MB in the beginning and 218.1 MB in the end (delta: 71.3 MB). Free memory was 56.7 MB in the beginning and 155.4 MB in the end (delta: -98.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,471 INFO L168 Benchmark]: Boogie Preprocessor took 103.09 ms. Allocated memory is still 218.1 MB. Free memory was 155.4 MB in the beginning and 150.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,472 INFO L168 Benchmark]: RCFGBuilder took 848.58 ms. Allocated memory is still 218.1 MB. Free memory was 150.2 MB in the beginning and 105.1 MB in the end (delta: 45.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,472 INFO L168 Benchmark]: TraceAbstraction took 3725.18 ms. Allocated memory was 218.1 MB in the beginning and 264.2 MB in the end (delta: 46.1 MB). Free memory was 104.0 MB in the beginning and 89.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,472 INFO L168 Benchmark]: Witness Printer took 195.80 ms. Allocated memory is still 264.2 MB. Free memory was 89.2 MB in the beginning and 157.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2021-11-06 10:57:15,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 79.7 MB. Free memory was 49.7 MB in the beginning and 60.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2913.83 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 55.5 MB in the beginning and 56.7 MB in the end (delta: -1.2 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 214.07 ms. Allocated memory was 146.8 MB in the beginning and 218.1 MB in the end (delta: 71.3 MB). Free memory was 56.7 MB in the beginning and 155.4 MB in the end (delta: -98.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.09 ms. Allocated memory is still 218.1 MB. Free memory was 155.4 MB in the beginning and 150.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 848.58 ms. Allocated memory is still 218.1 MB. Free memory was 150.2 MB in the beginning and 105.1 MB in the end (delta: 45.1 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3725.18 ms. Allocated memory was 218.1 MB in the beginning and 264.2 MB in the end (delta: 46.1 MB). Free memory was 104.0 MB in the beginning and 89.2 MB in the end (delta: 14.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 16.1 GB. * Witness Printer took 195.80 ms. Allocated memory is still 264.2 MB. Free memory was 89.2 MB in the beginning and 157.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. * 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 2831 SDslu, 1484 SDs, 0 SdLazy, 498 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 41 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 27 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 935 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 4 specifications checked. All of them hold - InvariantResult [Line: 6895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6902]: 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 == 96 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11056]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11328]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-06 10:57:15,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE