./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 19:05:04,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 19:05:04,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 19:05:04,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 19:05:04,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 19:05:04,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 19:05:04,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 19:05:04,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 19:05:04,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 19:05:04,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 19:05:04,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 19:05:04,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 19:05:04,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 19:05:04,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 19:05:04,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 19:05:04,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 19:05:04,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 19:05:04,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 19:05:04,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 19:05:04,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 19:05:04,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 19:05:04,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 19:05:04,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 19:05:04,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 19:05:04,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 19:05:04,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 19:05:04,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 19:05:04,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 19:05:04,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 19:05:04,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 19:05:04,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 19:05:04,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 19:05:04,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 19:05:04,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 19:05:04,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 19:05:04,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 19:05:04,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 19:05:04,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 19:05:04,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 19:05:04,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 19:05:04,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 19:05:04,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 19:05:04,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 19:05:04,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 19:05:04,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 19:05:04,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 19:05:04,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 19:05:04,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 19:05:04,579 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 19:05:04,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 19:05:04,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 19:05:04,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 19:05:04,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 19:05:04,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 19:05:04,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 19:05:04,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 19:05:04,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 19:05:04,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 19:05:04,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 19:05:04,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 19:05:04,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 19:05:04,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 19:05:04,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 19:05:04,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 19:05:04,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 19:05:04,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 19:05:04,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 19:05:04,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 19:05:04,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 19:05:04,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 19:05:04,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 19:05:04,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-22 19:05:04,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 19:05:04,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 19:05:04,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 19:05:04,788 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 19:05:04,789 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 19:05:04,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-22 19:05:04,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c32ea842/cb6297723f46449e8704a840460276b6/FLAGb9abccf21 [2021-11-22 19:05:05,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 19:05:05,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-22 19:05:05,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c32ea842/cb6297723f46449e8704a840460276b6/FLAGb9abccf21 [2021-11-22 19:05:05,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c32ea842/cb6297723f46449e8704a840460276b6 [2021-11-22 19:05:05,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 19:05:05,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 19:05:05,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 19:05:05,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 19:05:05,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 19:05:05,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:05:05" (1/1) ... [2021-11-22 19:05:05,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d01bb14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:05, skipping insertion in model container [2021-11-22 19:05:05,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:05:05" (1/1) ... [2021-11-22 19:05:05,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 19:05:05,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 19:05:06,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-22 19:05:06,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-22 19:05:06,754 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:05:06,829 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,830 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,835 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,848 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:06,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:05:07,104 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:05:07,105 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:05:07,106 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:05:07,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:05:07,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:05:07,108 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:05:07,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:05:07,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:05:07,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:05:07,175 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:05:07,223 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 19:05:07,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-22 19:05:07,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-22 19:05:07,252 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:05:07,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,279 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,322 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:05:07,323 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:05:07,323 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:05:07,324 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:05:07,324 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:05:07,324 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:05:07,325 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:05:07,325 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:05:07,325 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:05:07,326 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:05:07,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,337 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:05:07,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:05:07,464 INFO L208 MainTranslator]: Completed translation [2021-11-22 19:05:07,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07 WrapperNode [2021-11-22 19:05:07,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 19:05:07,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 19:05:07,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 19:05:07,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 19:05:07,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,561 INFO L137 Inliner]: procedures = 690, calls = 1561, calls flagged for inlining = 581, calls inlined = 50, statements flattened = 937 [2021-11-22 19:05:07,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 19:05:07,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 19:05:07,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 19:05:07,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 19:05:07,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 19:05:07,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 19:05:07,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 19:05:07,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 19:05:07,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (1/1) ... [2021-11-22 19:05:07,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 19:05:07,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:07,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 19:05:07,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 19:05:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 19:05:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 19:05:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 19:05:07,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 19:05:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 19:05:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 19:05:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 19:05:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 19:05:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 19:05:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 19:05:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 19:05:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 19:05:07,935 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 19:05:07,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 19:05:08,540 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 19:05:08,546 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 19:05:08,547 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 19:05:08,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:05:08 BoogieIcfgContainer [2021-11-22 19:05:08,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 19:05:08,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 19:05:08,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 19:05:08,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 19:05:08,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 07:05:05" (1/3) ... [2021-11-22 19:05:08,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ed7f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:05:08, skipping insertion in model container [2021-11-22 19:05:08,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:05:07" (2/3) ... [2021-11-22 19:05:08,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ed7f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:05:08, skipping insertion in model container [2021-11-22 19:05:08,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:05:08" (3/3) ... [2021-11-22 19:05:08,555 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2021-11-22 19:05:08,559 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 19:05:08,560 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-22 19:05:08,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 19:05:08,627 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 19:05:08,628 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-22 19:05:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 120 states have (on average 1.4416666666666667) internal successors, (173), 129 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 19:05:08,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:08,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:08,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:08,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:08,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1177145769, now seen corresponding path program 1 times [2021-11-22 19:05:08,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:08,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675817800] [2021-11-22 19:05:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:08,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:05:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:08,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:05:08,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675817800] [2021-11-22 19:05:08,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675817800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:05:08,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:05:08,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 19:05:08,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048013286] [2021-11-22 19:05:08,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:05:08,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 19:05:08,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:05:08,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 19:05:08,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 19:05:08,961 INFO L87 Difference]: Start difference. First operand has 130 states, 120 states have (on average 1.4416666666666667) internal successors, (173), 129 states have internal predecessors, (173), 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 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:08,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:05:08,985 INFO L93 Difference]: Finished difference Result 256 states and 341 transitions. [2021-11-22 19:05:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 19:05:08,987 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-11-22 19:05:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:05:08,993 INFO L225 Difference]: With dead ends: 256 [2021-11-22 19:05:08,993 INFO L226 Difference]: Without dead ends: 123 [2021-11-22 19:05:09,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 19:05:09,010 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:05:09,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:05:09,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-11-22 19:05:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2021-11-22 19:05:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 114 states have (on average 1.263157894736842) internal successors, (144), 122 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2021-11-22 19:05:09,050 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 26 [2021-11-22 19:05:09,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:05:09,050 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2021-11-22 19:05:09,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2021-11-22 19:05:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 19:05:09,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:09,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:09,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 19:05:09,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:09,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:09,059 INFO L85 PathProgramCache]: Analyzing trace with hash -2072739675, now seen corresponding path program 1 times [2021-11-22 19:05:09,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:09,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487410639] [2021-11-22 19:05:09,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:09,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:09,127 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 19:05:09,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611083303] [2021-11-22 19:05:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:09,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:09,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:05:09,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 19:05:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:05:09,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 19:05:09,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:05:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:09,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 19:05:09,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:05:09,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487410639] [2021-11-22 19:05:09,660 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 19:05:09,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611083303] [2021-11-22 19:05:09,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611083303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:05:09,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:05:09,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 19:05:09,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236463187] [2021-11-22 19:05:09,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:05:09,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 19:05:09,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:05:09,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 19:05:09,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:05:09,663 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:09,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:05:09,805 INFO L93 Difference]: Finished difference Result 142 states and 168 transitions. [2021-11-22 19:05:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 19:05:09,806 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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 29 [2021-11-22 19:05:09,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:05:09,807 INFO L225 Difference]: With dead ends: 142 [2021-11-22 19:05:09,807 INFO L226 Difference]: Without dead ends: 140 [2021-11-22 19:05:09,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-22 19:05:09,808 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 348 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:05:09,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 481 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:05:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-11-22 19:05:09,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 125. [2021-11-22 19:05:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2021-11-22 19:05:09,814 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 29 [2021-11-22 19:05:09,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:05:09,815 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2021-11-22 19:05:09,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2021-11-22 19:05:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 19:05:09,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:09,816 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:09,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 19:05:10,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:10,030 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:10,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:10,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2072680093, now seen corresponding path program 1 times [2021-11-22 19:05:10,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:10,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583796941] [2021-11-22 19:05:10,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:10,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:10,080 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 19:05:10,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [319992138] [2021-11-22 19:05:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:10,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:10,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:05:10,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 19:05:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:05:10,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1940 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 19:05:10,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:05:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:10,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 19:05:10,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:05:10,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583796941] [2021-11-22 19:05:10,467 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 19:05:10,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319992138] [2021-11-22 19:05:10,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319992138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 19:05:10,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:05:10,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 19:05:10,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940199639] [2021-11-22 19:05:10,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 19:05:10,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 19:05:10,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:05:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 19:05:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 19:05:10,469 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:05:10,476 INFO L93 Difference]: Finished difference Result 236 states and 278 transitions. [2021-11-22 19:05:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 19:05:10,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-11-22 19:05:10,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:05:10,477 INFO L225 Difference]: With dead ends: 236 [2021-11-22 19:05:10,477 INFO L226 Difference]: Without dead ends: 126 [2021-11-22 19:05:10,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 19:05:10,478 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:05:10,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:05:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-22 19:05:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-22 19:05:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 125 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2021-11-22 19:05:10,484 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 29 [2021-11-22 19:05:10,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:05:10,484 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2021-11-22 19:05:10,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2021-11-22 19:05:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 19:05:10,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:10,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:10,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 19:05:10,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-22 19:05:10,703 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:10,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1624932052, now seen corresponding path program 1 times [2021-11-22 19:05:10,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:10,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13165520] [2021-11-22 19:05:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:10,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:10,773 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 19:05:10,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14417290] [2021-11-22 19:05:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:10,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:10,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:10,774 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:05:10,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 19:05:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:05:11,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1959 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 19:05:11,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:05:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:11,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:05:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:11,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:05:11,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13165520] [2021-11-22 19:05:11,263 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 19:05:11,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14417290] [2021-11-22 19:05:11,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14417290] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:05:11,263 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:05:11,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-22 19:05:11,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426001059] [2021-11-22 19:05:11,263 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:05:11,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 19:05:11,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:05:11,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 19:05:11,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:05:11,264 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:11,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:05:11,304 INFO L93 Difference]: Finished difference Result 239 states and 283 transitions. [2021-11-22 19:05:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 19:05:11,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 30 [2021-11-22 19:05:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:05:11,306 INFO L225 Difference]: With dead ends: 239 [2021-11-22 19:05:11,306 INFO L226 Difference]: Without dead ends: 129 [2021-11-22 19:05:11,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-22 19:05:11,308 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 128 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:05:11,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 579 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:05:11,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-22 19:05:11,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-22 19:05:11,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 120 states have (on average 1.25) internal successors, (150), 128 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2021-11-22 19:05:11,315 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 30 [2021-11-22 19:05:11,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:05:11,315 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2021-11-22 19:05:11,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2021-11-22 19:05:11,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 19:05:11,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:11,316 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:11,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-22 19:05:11,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:11,524 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:11,525 INFO L85 PathProgramCache]: Analyzing trace with hash -3687005, now seen corresponding path program 2 times [2021-11-22 19:05:11,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:11,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666700029] [2021-11-22 19:05:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:11,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:11,574 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 19:05:11,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [36763759] [2021-11-22 19:05:11,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 19:05:11,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:11,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:11,575 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:05:11,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 19:05:12,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 19:05:12,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 19:05:12,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 2016 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 19:05:12,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:05:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:12,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:05:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:12,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:05:12,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666700029] [2021-11-22 19:05:12,498 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 19:05:12,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36763759] [2021-11-22 19:05:12,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36763759] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:05:12,498 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:05:12,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-11-22 19:05:12,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324542523] [2021-11-22 19:05:12,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:05:12,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-22 19:05:12,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:05:12,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-22 19:05:12,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-22 19:05:12,499 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:12,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:05:12,954 INFO L93 Difference]: Finished difference Result 245 states and 292 transitions. [2021-11-22 19:05:12,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-22 19:05:12,954 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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 33 [2021-11-22 19:05:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:05:12,955 INFO L225 Difference]: With dead ends: 245 [2021-11-22 19:05:12,955 INFO L226 Difference]: Without dead ends: 135 [2021-11-22 19:05:12,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-11-22 19:05:12,956 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:05:12,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 848 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:05:12,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-22 19:05:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-11-22 19:05:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 126 states have (on average 1.2380952380952381) internal successors, (156), 134 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2021-11-22 19:05:12,962 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 33 [2021-11-22 19:05:12,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:05:12,962 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2021-11-22 19:05:12,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2021-11-22 19:05:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 19:05:12,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:12,964 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:12,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 19:05:13,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:13,179 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:13,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:13,180 INFO L85 PathProgramCache]: Analyzing trace with hash -67600381, now seen corresponding path program 3 times [2021-11-22 19:05:13,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:13,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460675816] [2021-11-22 19:05:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:13,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:13,234 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 19:05:13,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665641583] [2021-11-22 19:05:13,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 19:05:13,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:13,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:13,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:05:13,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 19:05:17,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-22 19:05:17,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 19:05:17,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 19:05:17,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:05:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:18,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:05:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:18,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:05:18,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460675816] [2021-11-22 19:05:18,453 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 19:05:18,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665641583] [2021-11-22 19:05:18,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665641583] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:05:18,453 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:05:18,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-11-22 19:05:18,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231645132] [2021-11-22 19:05:18,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:05:18,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 19:05:18,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:05:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 19:05:18,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2021-11-22 19:05:18,456 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 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) [2021-11-22 19:05:29,450 WARN L227 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:05:37,973 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:05:45,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:05:45,290 INFO L93 Difference]: Finished difference Result 257 states and 310 transitions. [2021-11-22 19:05:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-22 19:05:45,292 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 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 39 [2021-11-22 19:05:45,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:05:45,293 INFO L225 Difference]: With dead ends: 257 [2021-11-22 19:05:45,293 INFO L226 Difference]: Without dead ends: 147 [2021-11-22 19:05:45,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=406, Invalid=715, Unknown=1, NotChecked=0, Total=1122 [2021-11-22 19:05:45,294 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 19:05:45,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1694 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 19:05:45,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-11-22 19:05:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2021-11-22 19:05:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 138 states have (on average 1.2173913043478262) internal successors, (168), 146 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:05:45,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 168 transitions. [2021-11-22 19:05:45,307 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 168 transitions. Word has length 39 [2021-11-22 19:05:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:05:45,308 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 168 transitions. [2021-11-22 19:05:45,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 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) [2021-11-22 19:05:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 168 transitions. [2021-11-22 19:05:45,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 19:05:45,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:05:45,323 INFO L514 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:05:45,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-22 19:05:45,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:45,524 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:05:45,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:05:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1403399363, now seen corresponding path program 4 times [2021-11-22 19:05:45,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 19:05:45,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833915090] [2021-11-22 19:05:45,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:05:45,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 19:05:45,605 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-22 19:05:45,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1043794737] [2021-11-22 19:05:45,605 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-22 19:05:45,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:05:45,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:05:45,607 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 19:05:45,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-22 19:05:46,623 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-22 19:05:46,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 19:05:46,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 111 conjunts are in the unsatisfiable core [2021-11-22 19:05:46,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:05:46,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 19:05:46,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 19:05:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-22 19:05:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-22 19:05:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-22 19:05:47,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-22 19:05:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-22 19:05:47,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-22 19:05:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 19:05:47,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 19:05:47,703 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-22 19:05:47,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-22 19:05:47,746 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-22 19:05:47,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-11-22 19:05:47,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2021-11-22 19:05:47,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-11-22 19:05:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:05:47,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:05:47,883 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int)) (= (mod (select (store (store (select (store |c_#memory_int| |c_ULTIMATE.start_aws_mul_u64_checked_~r#1.base| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0)) is different from false [2021-11-22 19:08:07,162 INFO L354 Elim1Store]: treesize reduction 6357, result has 2.4 percent of original size [2021-11-22 19:08:07,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 117 treesize of output 182 [2021-11-22 19:08:07,201 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:08:07,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 66 [2021-11-22 19:08:07,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 115 [2021-11-22 19:08:07,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2021-11-22 19:08:07,461 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 19:08:07,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 180 [2021-11-22 19:08:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 211 refuted. 42 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:08:15,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 19:08:15,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833915090] [2021-11-22 19:08:15,331 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-22 19:08:15,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043794737] [2021-11-22 19:08:15,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043794737] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:08:15,331 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:08:15,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2021-11-22 19:08:15,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809254459] [2021-11-22 19:08:15,331 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:08:15,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-22 19:08:15,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 19:08:15,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-22 19:08:15,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=2533, Unknown=134, NotChecked=108, Total=3192 [2021-11-22 19:08:15,333 INFO L87 Difference]: Start difference. First operand 147 states and 168 transitions. Second operand has 57 states, 57 states have (on average 1.7017543859649122) internal successors, (97), 57 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:09:27,846 WARN L227 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 265 DAG size of output: 207 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:11:26,066 WARN L227 SmtUtils]: Spent 59.82s on a formula simplification. DAG size of input: 229 DAG size of output: 154 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:11:28,290 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1010 Int) (v_ArrVal_1002 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1002) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 4 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1010 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1010 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1000 Int) (v_ArrVal_1010 Int) (v_ArrVal_1002 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1000) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_1002) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 4 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 5 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1010 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1010 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (v_ArrVal_1008 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0) (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)))) (forall ((v_ArrVal_1012 (Array Int Int)) (v_ArrVal_999 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int) (v_ArrVal_996 Int) (v_ArrVal_994 Int) (v_ArrVal_993 Int) (v_ArrVal_1000 Int) (v_ArrVal_1010 Int) (v_ArrVal_1002 Int) (v_ArrVal_1013 Int) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_993) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_994) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_996) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_999) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 4 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1000) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 5 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1002) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 6 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 7 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 8 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 9 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1012 (Array Int Int)) (v_ArrVal_999 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int) (v_ArrVal_996 Int) (v_ArrVal_994 Int) (v_ArrVal_1000 Int) (v_ArrVal_1010 Int) (v_ArrVal_1002 Int) (v_ArrVal_1013 Int) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_994) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_996) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_999) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1000) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 4 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1002) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 5 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 6 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 7 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 8 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1012 (Array Int Int)) (v_ArrVal_999 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int) (v_ArrVal_996 Int) (v_ArrVal_1000 Int) (v_ArrVal_1010 Int) (v_ArrVal_1002 Int) (v_ArrVal_1013 Int) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_996) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_999) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1000) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1002) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 4 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 5 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 6 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 7 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0))) (forall ((v_ArrVal_1000 Int) (v_ArrVal_1010 Int) (v_ArrVal_1002 Int) (v_ArrVal_1013 Int) (v_ArrVal_1012 (Array Int Int)) (v_ArrVal_1014 Int) (v_ArrVal_1005 Int) (v_ArrVal_999 Int) (v_ArrVal_1008 Int) (v_ArrVal_1007 Int) (|v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13|) 0)) (= (mod (select (store (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base| (store (store (store (store (store (store (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.base|) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_999) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1| 1) v_ArrVal_1000) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 2 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1002) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 3 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1005) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 4 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1007) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 5 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1008) (+ |c_ULTIMATE.start_#Ultimate.C_memset_#ptr#1.offset| 6 |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr736#1|) v_ArrVal_1010)) |v_ULTIMATE.start_aws_array_list_init_dynamic_~#allocation_size~0#1.base_13| v_ArrVal_1012) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 24) v_ArrVal_1014) |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| v_ArrVal_1013) (+ |c_ULTIMATE.start_aws_array_list_init_dynamic_~list#1.offset| 8)) 18446744073709551616) 0)))) is different from true [2021-11-22 19:13:08,872 WARN L227 SmtUtils]: Spent 38.00s on a formula simplification. DAG size of input: 182 DAG size of output: 142 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 19:14:20,934 WARN L228 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-22 19:14:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-22 19:14:20,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 434.3s TimeCoverageRelationStatistics Valid=956, Invalid=5665, Unknown=193, NotChecked=326, Total=7140 [2021-11-22 19:14:20,937 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 397 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:20,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 315 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 433 Invalid, 0 Unknown, 397 Unchecked, 2.2s Time] [2021-11-22 19:14:20,947 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 101 [2021-11-22 19:14:20,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-22 19:14:21,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 19:14:21,139 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:192) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237) ... 56 more [2021-11-22 19:14:21,142 INFO L158 Benchmark]: Toolchain (without parser) took 555277.09ms. Allocated memory was 94.4MB in the beginning and 211.8MB in the end (delta: 117.4MB). Free memory was 56.3MB in the beginning and 51.6MB in the end (delta: 4.7MB). Peak memory consumption was 121.9MB. Max. memory is 16.1GB. [2021-11-22 19:14:21,142 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 19:14:21,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1598.93ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 56.0MB in the beginning and 54.7MB in the end (delta: 1.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2021-11-22 19:14:21,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.71ms. Allocated memory is still 123.7MB. Free memory was 54.1MB in the beginning and 80.4MB in the end (delta: -26.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-22 19:14:21,143 INFO L158 Benchmark]: Boogie Preprocessor took 61.53ms. Allocated memory is still 123.7MB. Free memory was 80.4MB in the beginning and 74.8MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 19:14:21,143 INFO L158 Benchmark]: RCFGBuilder took 889.57ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 74.8MB in the beginning and 66.1MB in the end (delta: 8.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2021-11-22 19:14:21,143 INFO L158 Benchmark]: TraceAbstraction took 552592.20ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 65.0MB in the beginning and 51.6MB in the end (delta: 13.4MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-22 19:14:21,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1598.93ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 56.0MB in the beginning and 54.7MB in the end (delta: 1.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.71ms. Allocated memory is still 123.7MB. Free memory was 54.1MB in the beginning and 80.4MB in the end (delta: -26.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.53ms. Allocated memory is still 123.7MB. Free memory was 80.4MB in the beginning and 74.8MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 889.57ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 74.8MB in the beginning and 66.1MB in the end (delta: 8.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * TraceAbstraction took 552592.20ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 65.0MB in the beginning and 51.6MB in the end (delta: 13.4MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_array_list_init_dynamic_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 19:14:22,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 19:14:22,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 19:14:22,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 19:14:22,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 19:14:22,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 19:14:22,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 19:14:22,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 19:14:22,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 19:14:22,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 19:14:22,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 19:14:22,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 19:14:22,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 19:14:22,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 19:14:22,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 19:14:22,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 19:14:22,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 19:14:22,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 19:14:22,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 19:14:22,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 19:14:22,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 19:14:22,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 19:14:22,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 19:14:22,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 19:14:22,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 19:14:22,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 19:14:22,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 19:14:22,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 19:14:22,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 19:14:22,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 19:14:22,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 19:14:22,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 19:14:22,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 19:14:22,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 19:14:22,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 19:14:22,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 19:14:22,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 19:14:22,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 19:14:22,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 19:14:22,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 19:14:22,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 19:14:22,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-22 19:14:22,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 19:14:22,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 19:14:22,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 19:14:22,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 19:14:22,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 19:14:22,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 19:14:22,702 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 19:14:22,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 19:14:22,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 19:14:22,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 19:14:22,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 19:14:22,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 19:14:22,703 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 19:14:22,703 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 19:14:22,703 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 19:14:22,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 19:14:22,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 19:14:22,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 19:14:22,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 19:14:22,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 19:14:22,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 19:14:22,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 19:14:22,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 19:14:22,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 19:14:22,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 19:14:22,706 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-22 19:14:22,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 19:14:22,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 19:14:22,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 19:14:22,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 19:14:22,994 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 19:14:22,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-22 19:14:23,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76255f6bb/046997ea0df0461cae7b0853e2d4f6e1/FLAG5b54ebb12 [2021-11-22 19:14:23,565 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 19:14:23,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-22 19:14:23,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76255f6bb/046997ea0df0461cae7b0853e2d4f6e1/FLAG5b54ebb12 [2021-11-22 19:14:24,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76255f6bb/046997ea0df0461cae7b0853e2d4f6e1 [2021-11-22 19:14:24,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 19:14:24,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 19:14:24,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 19:14:24,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 19:14:24,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 19:14:24,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:14:24" (1/1) ... [2021-11-22 19:14:24,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd8c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:24, skipping insertion in model container [2021-11-22 19:14:24,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:14:24" (1/1) ... [2021-11-22 19:14:24,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 19:14:24,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 19:14:24,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-22 19:14:24,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-22 19:14:24,941 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:14:25,013 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,014 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,014 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,034 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,035 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,036 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,255 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:14:25,256 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:14:25,257 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:14:25,257 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:14:25,258 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:14:25,258 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:14:25,259 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:14:25,261 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:14:25,261 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:14:25,261 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:14:25,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,347 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:14:25,427 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 19:14:25,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 19:14:25,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-22 19:14:25,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-22 19:14:25,484 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:14:25,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,494 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,499 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,499 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,500 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,500 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,502 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,503 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,526 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:14:25,526 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:14:25,527 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:14:25,527 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:14:25,528 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:14:25,528 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:14:25,528 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:14:25,528 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:14:25,528 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:14:25,529 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:14:25,545 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,551 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:14:25,597 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 19:14:25,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2021-11-22 19:14:25,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2021-11-22 19:14:25,643 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-22 19:14:25,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,653 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,654 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,659 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,659 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,660 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,660 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,660 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,661 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,661 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,661 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,704 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-22 19:14:25,705 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-22 19:14:25,705 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-22 19:14:25,706 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-22 19:14:25,706 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-22 19:14:25,707 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-22 19:14:25,707 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-22 19:14:25,708 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-22 19:14:25,708 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-22 19:14:25,708 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-22 19:14:25,719 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,722 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-22 19:14:25,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 19:14:25,947 INFO L208 MainTranslator]: Completed translation [2021-11-22 19:14:25,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25 WrapperNode [2021-11-22 19:14:25,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 19:14:25,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 19:14:25,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 19:14:25,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 19:14:25,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,082 INFO L137 Inliner]: procedures = 710, calls = 1561, calls flagged for inlining = 581, calls inlined = 50, statements flattened = 926 [2021-11-22 19:14:26,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 19:14:26,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 19:14:26,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 19:14:26,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 19:14:26,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 19:14:26,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 19:14:26,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 19:14:26,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 19:14:26,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (1/1) ... [2021-11-22 19:14:26,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 19:14:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 19:14:26,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 19:14:26,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 19:14:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 19:14:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 19:14:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 19:14:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-22 19:14:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 19:14:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 19:14:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 19:14:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 19:14:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 19:14:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-22 19:14:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-22 19:14:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 19:14:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 19:14:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-22 19:14:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 19:14:26,491 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 19:14:26,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 19:14:28,158 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 19:14:28,162 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 19:14:28,162 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 19:14:28,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:14:28 BoogieIcfgContainer [2021-11-22 19:14:28,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 19:14:28,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 19:14:28,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 19:14:28,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 19:14:28,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 07:14:24" (1/3) ... [2021-11-22 19:14:28,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c327753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:14:28, skipping insertion in model container [2021-11-22 19:14:28,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:14:25" (2/3) ... [2021-11-22 19:14:28,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c327753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:14:28, skipping insertion in model container [2021-11-22 19:14:28,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:14:28" (3/3) ... [2021-11-22 19:14:28,168 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2021-11-22 19:14:28,171 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 19:14:28,172 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-22 19:14:28,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 19:14:28,204 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 19:14:28,204 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-22 19:14:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 120 states have (on average 1.4416666666666667) internal successors, (173), 129 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 19:14:28,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:28,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:28,218 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:28,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:28,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1177145769, now seen corresponding path program 1 times [2021-11-22 19:14:28,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:28,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [229740317] [2021-11-22 19:14:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:14:28,232 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:28,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:28,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:28,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 19:14:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:14:28,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 19:14:28,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:14:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:28,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:14:28,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:28,868 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 19:14:28,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [229740317] [2021-11-22 19:14:28,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [229740317] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 19:14:28,869 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:14:28,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 19:14:28,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296074187] [2021-11-22 19:14:28,871 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 19:14:28,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 19:14:28,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 19:14:28,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 19:14:28,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 19:14:28,895 INFO L87 Difference]: Start difference. First operand has 130 states, 120 states have (on average 1.4416666666666667) internal successors, (173), 129 states have internal predecessors, (173), 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 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:28,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:14:28,911 INFO L93 Difference]: Finished difference Result 256 states and 341 transitions. [2021-11-22 19:14:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 19:14:28,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-11-22 19:14:28,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:14:28,918 INFO L225 Difference]: With dead ends: 256 [2021-11-22 19:14:28,918 INFO L226 Difference]: Without dead ends: 123 [2021-11-22 19:14:28,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 19:14:28,922 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:28,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:14:28,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-11-22 19:14:28,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2021-11-22 19:14:28,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 114 states have (on average 1.263157894736842) internal successors, (144), 122 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2021-11-22 19:14:28,946 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 26 [2021-11-22 19:14:28,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:14:28,946 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2021-11-22 19:14:28,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:28,946 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2021-11-22 19:14:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 19:14:28,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:28,947 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:28,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 19:14:29,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 19:14:29,170 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:29,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:29,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2072739675, now seen corresponding path program 1 times [2021-11-22 19:14:29,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:29,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119375579] [2021-11-22 19:14:29,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:14:29,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:29,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:29,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:29,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 19:14:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:14:29,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 19:14:29,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:14:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:29,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:14:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:29,864 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 19:14:29,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119375579] [2021-11-22 19:14:29,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119375579] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 19:14:29,864 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:14:29,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-22 19:14:29,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523241003] [2021-11-22 19:14:29,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 19:14:29,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 19:14:29,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 19:14:29,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 19:14:29,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:14:29,866 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:29,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:14:29,902 INFO L93 Difference]: Finished difference Result 233 states and 276 transitions. [2021-11-22 19:14:29,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 19:14:29,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 29 [2021-11-22 19:14:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:14:29,904 INFO L225 Difference]: With dead ends: 233 [2021-11-22 19:14:29,904 INFO L226 Difference]: Without dead ends: 125 [2021-11-22 19:14:29,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 19:14:29,905 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:29,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 19:14:29,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-22 19:14:29,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-11-22 19:14:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2021-11-22 19:14:29,915 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 29 [2021-11-22 19:14:29,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:14:29,915 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2021-11-22 19:14:29,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2021-11-22 19:14:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 19:14:29,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:29,916 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:29,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 19:14:30,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 19:14:30,120 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:30,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:30,120 INFO L85 PathProgramCache]: Analyzing trace with hash 286731973, now seen corresponding path program 1 times [2021-11-22 19:14:30,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:30,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644919388] [2021-11-22 19:14:30,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:14:30,122 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:30,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:30,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:30,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 19:14:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:14:30,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 19:14:30,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:14:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:30,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:14:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:30,916 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 19:14:30,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644919388] [2021-11-22 19:14:30,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644919388] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:14:30,918 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:14:30,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-22 19:14:30,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114723098] [2021-11-22 19:14:30,919 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:14:30,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 19:14:30,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 19:14:30,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 19:14:30,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 19:14:30,923 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:31,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:14:31,168 INFO L93 Difference]: Finished difference Result 237 states and 282 transitions. [2021-11-22 19:14:31,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 19:14:31,169 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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 31 [2021-11-22 19:14:31,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:14:31,170 INFO L225 Difference]: With dead ends: 237 [2021-11-22 19:14:31,170 INFO L226 Difference]: Without dead ends: 129 [2021-11-22 19:14:31,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-22 19:14:31,171 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:31,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 707 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:14:31,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-11-22 19:14:31,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2021-11-22 19:14:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 120 states have (on average 1.25) internal successors, (150), 128 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2021-11-22 19:14:31,178 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 31 [2021-11-22 19:14:31,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:14:31,179 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2021-11-22 19:14:31,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2021-11-22 19:14:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 19:14:31,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:31,180 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:31,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-22 19:14:31,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 19:14:31,396 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:31,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:31,396 INFO L85 PathProgramCache]: Analyzing trace with hash 19231493, now seen corresponding path program 2 times [2021-11-22 19:14:31,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:31,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408331468] [2021-11-22 19:14:31,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 19:14:31,399 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:31,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:31,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:31,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 19:14:31,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-22 19:14:31,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 19:14:31,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1191 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 19:14:31,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:14:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 19:14:31,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:14:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 19:14:32,035 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 19:14:32,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408331468] [2021-11-22 19:14:32,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408331468] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 19:14:32,035 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 19:14:32,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-22 19:14:32,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672908564] [2021-11-22 19:14:32,035 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 19:14:32,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 19:14:32,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 19:14:32,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 19:14:32,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 19:14:32,036 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:14:32,190 INFO L93 Difference]: Finished difference Result 148 states and 174 transitions. [2021-11-22 19:14:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 19:14:32,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 35 [2021-11-22 19:14:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:14:32,191 INFO L225 Difference]: With dead ends: 148 [2021-11-22 19:14:32,191 INFO L226 Difference]: Without dead ends: 146 [2021-11-22 19:14:32,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-22 19:14:32,192 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 90 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:32,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 399 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 19:14:32,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-22 19:14:32,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 131. [2021-11-22 19:14:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 122 states have (on average 1.2459016393442623) internal successors, (152), 130 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:32,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2021-11-22 19:14:32,198 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 35 [2021-11-22 19:14:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:14:32,198 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2021-11-22 19:14:32,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2021-11-22 19:14:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 19:14:32,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:32,199 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:32,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 19:14:32,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 19:14:32,411 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash 19291075, now seen corresponding path program 1 times [2021-11-22 19:14:32,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:32,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596715152] [2021-11-22 19:14:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 19:14:32,413 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:32,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:32,414 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:32,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-22 19:14:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 19:14:32,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 19:14:32,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:14:33,132 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:33,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:14:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:33,798 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 19:14:33,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596715152] [2021-11-22 19:14:33,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596715152] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:14:33,798 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:14:33,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-22 19:14:33,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441696074] [2021-11-22 19:14:33,798 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:14:33,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-22 19:14:33,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 19:14:33,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-22 19:14:33,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-22 19:14:33,799 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:14:35,262 INFO L93 Difference]: Finished difference Result 249 states and 298 transitions. [2021-11-22 19:14:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 19:14:35,264 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 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 35 [2021-11-22 19:14:35,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:14:35,265 INFO L225 Difference]: With dead ends: 249 [2021-11-22 19:14:35,265 INFO L226 Difference]: Without dead ends: 139 [2021-11-22 19:14:35,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=174, Invalid=288, Unknown=0, NotChecked=0, Total=462 [2021-11-22 19:14:35,267 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1271 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:35,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1271 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 19:14:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-22 19:14:35,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-11-22 19:14:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 130 states have (on average 1.2307692307692308) internal successors, (160), 138 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 160 transitions. [2021-11-22 19:14:35,276 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 160 transitions. Word has length 35 [2021-11-22 19:14:35,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:14:35,277 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 160 transitions. [2021-11-22 19:14:35,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 160 transitions. [2021-11-22 19:14:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 19:14:35,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:35,278 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:35,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-22 19:14:35,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 19:14:35,500 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:35,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:35,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1017021507, now seen corresponding path program 2 times [2021-11-22 19:14:35,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:35,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139850308] [2021-11-22 19:14:35,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 19:14:35,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:35,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:35,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-22 19:14:47,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 19:14:47,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 19:14:47,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 19:14:47,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 19:14:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:48,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 19:14:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 19:14:50,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 19:14:50,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139850308] [2021-11-22 19:14:50,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139850308] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 19:14:50,336 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-22 19:14:50,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-22 19:14:50,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213519502] [2021-11-22 19:14:50,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-22 19:14:50,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-22 19:14:50,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 19:14:50,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-22 19:14:50,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=706, Unknown=0, NotChecked=0, Total=992 [2021-11-22 19:14:50,337 INFO L87 Difference]: Start difference. First operand 139 states and 160 transitions. Second operand has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:59,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 19:14:59,505 INFO L93 Difference]: Finished difference Result 265 states and 322 transitions. [2021-11-22 19:14:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-22 19:14:59,506 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 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 43 [2021-11-22 19:14:59,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 19:14:59,507 INFO L225 Difference]: With dead ends: 265 [2021-11-22 19:14:59,507 INFO L226 Difference]: Without dead ends: 155 [2021-11-22 19:14:59,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=734, Invalid=1336, Unknown=0, NotChecked=0, Total=2070 [2021-11-22 19:14:59,508 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 19:14:59,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2540 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 19:14:59,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-11-22 19:14:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2021-11-22 19:14:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 146 states have (on average 1.2054794520547945) internal successors, (176), 154 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 176 transitions. [2021-11-22 19:14:59,514 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 176 transitions. Word has length 43 [2021-11-22 19:14:59,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 19:14:59,514 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 176 transitions. [2021-11-22 19:14:59,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 19:14:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2021-11-22 19:14:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 19:14:59,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 19:14:59,516 INFO L514 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 19:14:59,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-22 19:14:59,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-22 19:14:59,732 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-22 19:14:59,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 19:14:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2126337347, now seen corresponding path program 3 times [2021-11-22 19:14:59,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 19:14:59,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380736683] [2021-11-22 19:14:59,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 19:14:59,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 19:14:59,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-22 19:14:59,738 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 19:14:59,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process Killed by 15