./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 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 /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_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 bb933e595520a78d0b51478b52dcb149336f7178 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:49:10,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:49:10,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:49:10,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:49:10,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:49:10,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:49:10,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:49:10,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:49:10,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:49:10,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:49:10,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:49:10,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:49:10,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:49:10,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:49:10,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:49:10,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:49:10,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:49:10,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:49:10,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:49:10,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:49:10,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:49:10,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:49:10,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:49:10,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:49:10,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:49:10,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:49:10,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:49:10,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:49:10,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:49:10,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:49:10,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:49:10,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:49:10,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:49:10,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:49:10,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:49:10,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:49:10,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:49:10,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:49:10,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:49:10,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:49:10,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:49:10,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:49:10,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:49:10,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:49:10,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:49:10,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:49:10,529 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:49:10,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:49:10,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:49:10,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:49:10,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:49:10,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:49:10,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:49:10,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:49:10,534 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:49:10,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:49:10,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:49:10,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:49:10,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:49:10,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:49:10,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:49:10,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:49:10,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:49:10,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:49:10,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:49:10,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:49:10,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:49:10,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb933e595520a78d0b51478b52dcb149336f7178 [2020-12-04 18:49:11,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:49:11,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:49:11,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:49:11,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:49:11,093 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:49:11,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i [2020-12-04 18:49:11,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49c77674/9c4820e2ef564eaf8c8d7425ae607e3c/FLAG51bb533e6 [2020-12-04 18:49:12,318 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:49:12,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i [2020-12-04 18:49:12,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49c77674/9c4820e2ef564eaf8c8d7425ae607e3c/FLAG51bb533e6 [2020-12-04 18:49:12,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49c77674/9c4820e2ef564eaf8c8d7425ae607e3c [2020-12-04 18:49:12,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:49:12,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:49:12,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:49:12,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:49:12,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:49:12,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:49:12" (1/1) ... [2020-12-04 18:49:12,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fffab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:12, skipping insertion in model container [2020-12-04 18:49:12,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:49:12" (1/1) ... [2020-12-04 18:49:12,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:49:12,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:49:13,191 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i[4494,4507] [2020-12-04 18:49:13,199 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i[4554,4567] [2020-12-04 18:49:13,223 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:49:13,229 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:49:14,106 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,107 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,108 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,109 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,110 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,126 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,127 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,130 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,131 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,136 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,139 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,140 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,141 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:14,586 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:49:14,587 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:49:14,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:49:14,590 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:49:14,592 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:49:14,593 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:49:14,593 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:49:14,594 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:49:14,595 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:49:14,596 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:49:14,885 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:49:15,311 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,312 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,338 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,340 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,347 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,348 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,364 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,366 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,366 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,367 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,367 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,368 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,368 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:49:15,580 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:49:15,613 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i[4494,4507] [2020-12-04 18:49:15,614 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_delete_harness.i[4554,4567] [2020-12-04 18:49:15,617 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:49:15,622 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:49:15,686 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,688 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,688 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,689 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,689 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,702 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,703 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,706 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,707 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,708 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,709 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,710 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,710 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,764 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:49:15,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:49:15,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:49:15,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:49:15,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:49:15,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:49:15,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:49:15,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:49:15,769 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:49:15,769 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:49:15,806 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:49:15,987 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:15,990 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,017 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,022 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,028 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,030 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,070 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,071 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,071 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,072 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,072 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,073 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,075 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:49:16,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:49:17,563 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:49:17,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17 WrapperNode [2020-12-04 18:49:17,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:49:17,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:49:17,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:49:17,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:49:17,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:17,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:49:18,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:49:18,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:49:18,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:49:18,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... [2020-12-04 18:49:18,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:49:18,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:49:18,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:49:18,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:49:18,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:49:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-04 18:49:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:49:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:49:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:49:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:49:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:49:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-04 18:49:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:49:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-04 18:49:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:49:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:49:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:49:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:49:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:49:28,331 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !true; [2020-12-04 18:49:28,332 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !true; [2020-12-04 18:49:28,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:49:28,344 INFO L299 CfgBuilder]: Removed 171 assume(true) statements. [2020-12-04 18:49:28,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:49:28 BoogieIcfgContainer [2020-12-04 18:49:28,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:49:28,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:49:28,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:49:28,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:49:28,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:49:12" (1/3) ... [2020-12-04 18:49:28,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22808c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:49:28, skipping insertion in model container [2020-12-04 18:49:28,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:49:17" (2/3) ... [2020-12-04 18:49:28,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22808c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:49:28, skipping insertion in model container [2020-12-04 18:49:28,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:49:28" (3/3) ... [2020-12-04 18:49:28,358 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_delete_harness.i [2020-12-04 18:49:28,378 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:49:28,384 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-04 18:49:28,400 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-04 18:49:28,433 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:49:28,433 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:49:28,433 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:49:28,434 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:49:28,434 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:49:28,434 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:49:28,434 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:49:28,434 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:49:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-04 18:49:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-04 18:49:28,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:28,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:28,473 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:28,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1182384430, now seen corresponding path program 1 times [2020-12-04 18:49:28,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:28,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984902044] [2020-12-04 18:49:28,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:29,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984902044] [2020-12-04 18:49:29,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:29,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:49:29,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697930147] [2020-12-04 18:49:29,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:49:29,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:29,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:49:29,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:49:29,429 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2020-12-04 18:49:29,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:29,479 INFO L93 Difference]: Finished difference Result 450 states and 653 transitions. [2020-12-04 18:49:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:49:29,483 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 80 [2020-12-04 18:49:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:29,500 INFO L225 Difference]: With dead ends: 450 [2020-12-04 18:49:29,501 INFO L226 Difference]: Without dead ends: 222 [2020-12-04 18:49:29,506 INFO L677 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 [2020-12-04 18:49:29,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-12-04 18:49:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2020-12-04 18:49:29,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-12-04 18:49:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 293 transitions. [2020-12-04 18:49:29,589 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 293 transitions. Word has length 80 [2020-12-04 18:49:29,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:29,589 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 293 transitions. [2020-12-04 18:49:29,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:49:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 293 transitions. [2020-12-04 18:49:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-04 18:49:29,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:29,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:29,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:49:29,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:29,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:29,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1987564250, now seen corresponding path program 1 times [2020-12-04 18:49:29,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:29,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192807881] [2020-12-04 18:49:29,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:29,844 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:49:29,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448133056] [2020-12-04 18:49:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:31,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-04 18:49:31,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:31,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192807881] [2020-12-04 18:49:31,659 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:49:31,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448133056] [2020-12-04 18:49:31,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:31,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:49:31,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570559027] [2020-12-04 18:49:31,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:49:31,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:31,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:49:31,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:31,671 INFO L87 Difference]: Start difference. First operand 222 states and 293 transitions. Second operand 5 states. [2020-12-04 18:49:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:32,092 INFO L93 Difference]: Finished difference Result 547 states and 730 transitions. [2020-12-04 18:49:32,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:49:32,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2020-12-04 18:49:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:32,097 INFO L225 Difference]: With dead ends: 547 [2020-12-04 18:49:32,098 INFO L226 Difference]: Without dead ends: 360 [2020-12-04 18:49:32,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:49:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-04 18:49:32,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 222. [2020-12-04 18:49:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-12-04 18:49:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 292 transitions. [2020-12-04 18:49:32,135 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 292 transitions. Word has length 80 [2020-12-04 18:49:32,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:32,135 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 292 transitions. [2020-12-04 18:49:32,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:49:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 292 transitions. [2020-12-04 18:49:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-04 18:49:32,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:32,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:32,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-04 18:49:32,354 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:32,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:32,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1025944543, now seen corresponding path program 1 times [2020-12-04 18:49:32,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:32,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558967434] [2020-12-04 18:49:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:32,484 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:49:32,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510313497] [2020-12-04 18:49:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:33,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2662 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-04 18:49:33,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:33,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:33,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:33,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:34,001 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:49:34,056 INFO L382 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 16 treesize of output 8 [2020-12-04 18:49:34,058 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:34,065 INFO L382 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 7 treesize of output 3 [2020-12-04 18:49:34,069 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:34,095 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:34,102 INFO L382 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 7 treesize of output 3 [2020-12-04 18:49:34,105 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:34,110 INFO L382 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 16 treesize of output 8 [2020-12-04 18:49:34,113 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:34,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:34,124 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 18:49:34,124 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-12-04 18:49:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:34,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558967434] [2020-12-04 18:49:34,223 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:49:34,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510313497] [2020-12-04 18:49:34,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:34,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:49:34,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828907754] [2020-12-04 18:49:34,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:49:34,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:34,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:49:34,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:34,227 INFO L87 Difference]: Start difference. First operand 222 states and 292 transitions. Second operand 5 states. [2020-12-04 18:49:38,666 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-04 18:49:39,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:39,840 INFO L93 Difference]: Finished difference Result 628 states and 831 transitions. [2020-12-04 18:49:39,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:49:39,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-04 18:49:39,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:39,847 INFO L225 Difference]: With dead ends: 628 [2020-12-04 18:49:39,847 INFO L226 Difference]: Without dead ends: 440 [2020-12-04 18:49:39,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:49:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-12-04 18:49:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 237. [2020-12-04 18:49:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-12-04 18:49:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 311 transitions. [2020-12-04 18:49:39,882 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 311 transitions. Word has length 82 [2020-12-04 18:49:39,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:39,885 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 311 transitions. [2020-12-04 18:49:39,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:49:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 311 transitions. [2020-12-04 18:49:39,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-04 18:49:39,888 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:39,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:40,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:40,104 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:40,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:40,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1705216797, now seen corresponding path program 1 times [2020-12-04 18:49:40,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:40,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443527408] [2020-12-04 18:49:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:40,215 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:49:40,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973190023] [2020-12-04 18:49:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:41,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 2657 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-04 18:49:41,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:41,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443527408] [2020-12-04 18:49:41,527 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:49:41,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973190023] [2020-12-04 18:49:41,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:41,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:49:41,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927901770] [2020-12-04 18:49:41,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:49:41,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:41,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:49:41,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:49:41,530 INFO L87 Difference]: Start difference. First operand 237 states and 311 transitions. Second operand 4 states. [2020-12-04 18:49:41,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:41,743 INFO L93 Difference]: Finished difference Result 442 states and 580 transitions. [2020-12-04 18:49:41,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:49:41,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-12-04 18:49:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:41,746 INFO L225 Difference]: With dead ends: 442 [2020-12-04 18:49:41,747 INFO L226 Difference]: Without dead ends: 238 [2020-12-04 18:49:41,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-12-04 18:49:41,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2020-12-04 18:49:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-04 18:49:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2020-12-04 18:49:41,759 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 82 [2020-12-04 18:49:41,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:41,760 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2020-12-04 18:49:41,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:49:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2020-12-04 18:49:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-04 18:49:41,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:41,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:41,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:41,979 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:41,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:41,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1672016582, now seen corresponding path program 1 times [2020-12-04 18:49:41,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:41,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481194718] [2020-12-04 18:49:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:42,088 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:49:42,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800306820] [2020-12-04 18:49:42,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:43,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 2687 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-04 18:49:43,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:43,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:43,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481194718] [2020-12-04 18:49:43,617 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:49:43,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800306820] [2020-12-04 18:49:43,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:43,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:49:43,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908841645] [2020-12-04 18:49:43,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:49:43,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:43,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:49:43,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:49:43,620 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand 4 states. [2020-12-04 18:49:43,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:43,794 INFO L93 Difference]: Finished difference Result 438 states and 562 transitions. [2020-12-04 18:49:43,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:49:43,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2020-12-04 18:49:43,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:43,797 INFO L225 Difference]: With dead ends: 438 [2020-12-04 18:49:43,798 INFO L226 Difference]: Without dead ends: 230 [2020-12-04 18:49:43,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:43,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-12-04 18:49:43,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2020-12-04 18:49:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-04 18:49:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 292 transitions. [2020-12-04 18:49:43,807 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 292 transitions. Word has length 83 [2020-12-04 18:49:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:43,808 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 292 transitions. [2020-12-04 18:49:43,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:49:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 292 transitions. [2020-12-04 18:49:43,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-04 18:49:43,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:43,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:44,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:44,026 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:44,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:44,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1453722935, now seen corresponding path program 1 times [2020-12-04 18:49:44,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:44,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780225103] [2020-12-04 18:49:44,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:44,132 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:49:44,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658092480] [2020-12-04 18:49:44,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:45,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-04 18:49:45,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:45,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780225103] [2020-12-04 18:49:45,570 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:49:45,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658092480] [2020-12-04 18:49:45,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:45,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:49:45,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611589277] [2020-12-04 18:49:45,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:49:45,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:45,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:49:45,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:49:45,573 INFO L87 Difference]: Start difference. First operand 230 states and 292 transitions. Second operand 4 states. [2020-12-04 18:49:45,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:45,820 INFO L93 Difference]: Finished difference Result 396 states and 504 transitions. [2020-12-04 18:49:45,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:49:45,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2020-12-04 18:49:45,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:45,823 INFO L225 Difference]: With dead ends: 396 [2020-12-04 18:49:45,823 INFO L226 Difference]: Without dead ends: 242 [2020-12-04 18:49:45,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:45,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-12-04 18:49:45,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 228. [2020-12-04 18:49:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-12-04 18:49:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2020-12-04 18:49:45,832 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 88 [2020-12-04 18:49:45,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:45,833 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2020-12-04 18:49:45,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:49:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2020-12-04 18:49:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-04 18:49:45,834 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:45,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:49:46,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-04 18:49:46,050 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:46,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:46,051 INFO L82 PathProgramCache]: Analyzing trace with hash -270066543, now seen corresponding path program 1 times [2020-12-04 18:49:46,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:46,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470821218] [2020-12-04 18:49:46,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:46,169 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:49:46,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2025497197] [2020-12-04 18:49:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:47,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 2870 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-04 18:49:47,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:47,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470821218] [2020-12-04 18:49:47,653 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:49:47,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025497197] [2020-12-04 18:49:47,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:47,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:49:47,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208455530] [2020-12-04 18:49:47,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:49:47,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:47,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:49:47,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:47,656 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand 5 states. [2020-12-04 18:49:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:47,746 INFO L93 Difference]: Finished difference Result 228 states and 280 transitions. [2020-12-04 18:49:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:49:47,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-12-04 18:49:47,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:47,747 INFO L225 Difference]: With dead ends: 228 [2020-12-04 18:49:47,747 INFO L226 Difference]: Without dead ends: 0 [2020-12-04 18:49:47,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:49:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-04 18:49:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-04 18:49:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-04 18:49:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-04 18:49:47,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2020-12-04 18:49:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:47,749 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-04 18:49:47,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:49:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-04 18:49:47,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 18:49:47,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:49:47,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-04 18:49:48,208 INFO L258 CegarLoopResult]: At program point L10044(lines 9999 10046) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,209 INFO L258 CegarLoopResult]: At program point L10044-1(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,209 INFO L258 CegarLoopResult]: At program point L10044-2(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,209 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,209 INFO L258 CegarLoopResult]: At program point L10044-7(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,209 INFO L258 CegarLoopResult]: At program point L10044-8(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,210 INFO L258 CegarLoopResult]: At program point L10044-3(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,210 INFO L258 CegarLoopResult]: At program point L10044-4(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,210 INFO L258 CegarLoopResult]: At program point L10044-5(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,210 INFO L258 CegarLoopResult]: At program point L10044-6(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:49:48,210 INFO L262 CegarLoopResult]: For program point L10079-2(line 10079) no Hoare annotation was computed. [2020-12-04 18:49:48,210 INFO L262 CegarLoopResult]: For program point L10079-3(line 10079) no Hoare annotation was computed. [2020-12-04 18:49:48,211 INFO L258 CegarLoopResult]: At program point L10112(lines 10101 10113) the Hoare annotation is: (or (<= (+ |ULTIMATE.start_hash_table_state_required_bytes_#res| 1) 0) (< 0 |#StackHeapBarrier|)) [2020-12-04 18:49:48,211 INFO L262 CegarLoopResult]: For program point L10079(line 10079) no Hoare annotation was computed. [2020-12-04 18:49:48,211 INFO L262 CegarLoopResult]: For program point L10079-1(line 10079) no Hoare annotation was computed. [2020-12-04 18:49:48,211 INFO L262 CegarLoopResult]: For program point L6809(lines 6809 6819) no Hoare annotation was computed. [2020-12-04 18:49:48,211 INFO L258 CegarLoopResult]: At program point L9617-2(lines 9617 9636) the Hoare annotation is: false [2020-12-04 18:49:48,211 INFO L262 CegarLoopResult]: For program point L9882(lines 9882 9889) no Hoare annotation was computed. [2020-12-04 18:49:48,211 INFO L258 CegarLoopResult]: At program point L6843(lines 6837 6844) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L9882-1(lines 9882 9889) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L10114(lines 10114 10133) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L9883(lines 9883 9885) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L9883-2(lines 9883 9885) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L10082(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L10082-6(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L10082-8(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L10082-2(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,212 INFO L262 CegarLoopResult]: For program point L10082-4(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,213 INFO L258 CegarLoopResult]: At program point L2617(lines 2613 2621) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,213 INFO L262 CegarLoopResult]: For program point L10082-14(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,213 INFO L262 CegarLoopResult]: For program point L10082-10(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,213 INFO L262 CegarLoopResult]: For program point L10082-12(lines 10082 10083) no Hoare annotation was computed. [2020-12-04 18:49:48,213 INFO L262 CegarLoopResult]: For program point L9621(lines 9621 9623) no Hoare annotation was computed. [2020-12-04 18:49:48,213 INFO L262 CegarLoopResult]: For program point L9886(lines 9886 9888) no Hoare annotation was computed. [2020-12-04 18:49:48,214 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,214 INFO L262 CegarLoopResult]: For program point L10085(line 10085) no Hoare annotation was computed. [2020-12-04 18:49:48,214 INFO L262 CegarLoopResult]: For program point L10085-1(line 10085) no Hoare annotation was computed. [2020-12-04 18:49:48,214 INFO L262 CegarLoopResult]: For program point L10085-2(line 10085) no Hoare annotation was computed. [2020-12-04 18:49:48,214 INFO L262 CegarLoopResult]: For program point L10085-3(line 10085) no Hoare annotation was computed. [2020-12-04 18:49:48,215 INFO L258 CegarLoopResult]: At program point L6947(lines 6943 6948) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,215 INFO L262 CegarLoopResult]: For program point L10119-2(line 10119) no Hoare annotation was computed. [2020-12-04 18:49:48,215 INFO L262 CegarLoopResult]: For program point L10119(line 10119) no Hoare annotation was computed. [2020-12-04 18:49:48,215 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,215 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,216 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,216 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,216 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,216 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,216 INFO L262 CegarLoopResult]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,216 INFO L262 CegarLoopResult]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,217 INFO L262 CegarLoopResult]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,217 INFO L262 CegarLoopResult]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,217 INFO L262 CegarLoopResult]: For program point L210-9(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,217 INFO L262 CegarLoopResult]: For program point L10087-2(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,217 INFO L262 CegarLoopResult]: For program point L10054-1(lines 10054 10058) no Hoare annotation was computed. [2020-12-04 18:49:48,217 INFO L262 CegarLoopResult]: For program point L210-10(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,218 INFO L262 CegarLoopResult]: For program point L10054-2(lines 10054 10058) no Hoare annotation was computed. [2020-12-04 18:49:48,218 INFO L262 CegarLoopResult]: For program point L210-11(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,218 INFO L262 CegarLoopResult]: For program point L10087-4(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,218 INFO L262 CegarLoopResult]: For program point L10054-3(lines 10054 10058) no Hoare annotation was computed. [2020-12-04 18:49:48,218 INFO L262 CegarLoopResult]: For program point L210-12(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,218 INFO L262 CegarLoopResult]: For program point L210-13(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,219 INFO L262 CegarLoopResult]: For program point L10120(line 10120) no Hoare annotation was computed. [2020-12-04 18:49:48,219 INFO L262 CegarLoopResult]: For program point L210-14(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,219 INFO L262 CegarLoopResult]: For program point L10087(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,219 INFO L262 CegarLoopResult]: For program point L210-15(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,219 INFO L262 CegarLoopResult]: For program point L10120-2(line 10120) no Hoare annotation was computed. [2020-12-04 18:49:48,219 INFO L262 CegarLoopResult]: For program point L10054(lines 10054 10058) no Hoare annotation was computed. [2020-12-04 18:49:48,220 INFO L262 CegarLoopResult]: For program point L210-16(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,220 INFO L262 CegarLoopResult]: For program point L210-17(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,220 INFO L262 CegarLoopResult]: For program point L10087-10(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,220 INFO L262 CegarLoopResult]: For program point L210-18(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:49:48,220 INFO L262 CegarLoopResult]: For program point L10087-12(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,220 INFO L262 CegarLoopResult]: For program point L10087-6(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,221 INFO L262 CegarLoopResult]: For program point L10087-8(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,221 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,221 INFO L262 CegarLoopResult]: For program point L10087-14(line 10087) no Hoare annotation was computed. [2020-12-04 18:49:48,221 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,221 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,221 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-10(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-12(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-14(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-16(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,222 INFO L262 CegarLoopResult]: For program point L211-18(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,223 INFO L258 CegarLoopResult]: At program point L2590(lines 2586 2594) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,223 INFO L262 CegarLoopResult]: For program point L211-20(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,223 INFO L262 CegarLoopResult]: For program point L211-22(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,223 INFO L262 CegarLoopResult]: For program point L211-24(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,223 INFO L262 CegarLoopResult]: For program point L211-26(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,223 INFO L262 CegarLoopResult]: For program point L211-28(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L262 CegarLoopResult]: For program point L211-30(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L262 CegarLoopResult]: For program point L211-32(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L262 CegarLoopResult]: For program point L211-34(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L262 CegarLoopResult]: For program point L211-36(line 211) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L262 CegarLoopResult]: For program point L9990-2(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L262 CegarLoopResult]: For program point L9990-3(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,224 INFO L258 CegarLoopResult]: At program point L6852-1(line 6852) the Hoare annotation is: false [2020-12-04 18:49:48,225 INFO L258 CegarLoopResult]: At program point L6852(line 6852) the Hoare annotation is: false [2020-12-04 18:49:48,225 INFO L262 CegarLoopResult]: For program point L9990(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,225 INFO L262 CegarLoopResult]: For program point L9990-9(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,225 INFO L262 CegarLoopResult]: For program point L9990-10(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,225 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,225 INFO L262 CegarLoopResult]: For program point L9990-12(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,226 INFO L262 CegarLoopResult]: For program point L9990-5(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,226 INFO L258 CegarLoopResult]: At program point L9990-6(lines 9988 9991) the Hoare annotation is: (or (= |ULTIMATE.start_aws_hash_table_is_valid_#res| 0) (< 0 |#StackHeapBarrier|)) [2020-12-04 18:49:48,226 INFO L262 CegarLoopResult]: For program point L9990-7(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,226 INFO L262 CegarLoopResult]: For program point L9990-17(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,226 INFO L262 CegarLoopResult]: For program point L9990-19(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,226 INFO L258 CegarLoopResult]: At program point L9990-20(lines 9988 9991) the Hoare annotation is: false [2020-12-04 18:49:48,227 INFO L258 CegarLoopResult]: At program point L9990-13(lines 9988 9991) the Hoare annotation is: false [2020-12-04 18:49:48,227 INFO L262 CegarLoopResult]: For program point L9990-14(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,227 INFO L262 CegarLoopResult]: For program point L9990-16(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,227 INFO L262 CegarLoopResult]: For program point L9990-26(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,227 INFO L258 CegarLoopResult]: At program point L9990-27(lines 9988 9991) the Hoare annotation is: false [2020-12-04 18:49:48,227 INFO L258 CegarLoopResult]: At program point L10090(lines 10052 10093) the Hoare annotation is: (= |ULTIMATE.start_aws_hash_iter_is_valid_#res| 0) [2020-12-04 18:49:48,228 INFO L262 CegarLoopResult]: For program point L9990-28(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,228 INFO L262 CegarLoopResult]: For program point L9990-21(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,228 INFO L262 CegarLoopResult]: For program point L9990-23(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,228 INFO L262 CegarLoopResult]: For program point L9990-24(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,228 INFO L262 CegarLoopResult]: For program point L9990-33(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,228 INFO L262 CegarLoopResult]: For program point L9892(line 9892) no Hoare annotation was computed. [2020-12-04 18:49:48,229 INFO L258 CegarLoopResult]: At program point L9990-34(lines 9988 9991) the Hoare annotation is: false [2020-12-04 18:49:48,229 INFO L262 CegarLoopResult]: For program point L9892-2(lines 9892 9894) no Hoare annotation was computed. [2020-12-04 18:49:48,229 INFO L258 CegarLoopResult]: At program point L10090-1(lines 10052 10093) the Hoare annotation is: (= |ULTIMATE.start_aws_hash_iter_is_valid_#res| 0) [2020-12-04 18:49:48,229 INFO L258 CegarLoopResult]: At program point L10090-2(lines 10052 10093) the Hoare annotation is: false [2020-12-04 18:49:48,229 INFO L262 CegarLoopResult]: For program point L9990-30(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,229 INFO L262 CegarLoopResult]: For program point L9990-31(line 9990) no Hoare annotation was computed. [2020-12-04 18:49:48,229 INFO L258 CegarLoopResult]: At program point L10090-3(lines 10052 10093) the Hoare annotation is: false [2020-12-04 18:49:48,230 INFO L262 CegarLoopResult]: For program point L9892-4(lines 9892 9894) no Hoare annotation was computed. [2020-12-04 18:49:48,230 INFO L258 CegarLoopResult]: At program point L1998(lines 1988 1999) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,230 INFO L258 CegarLoopResult]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,230 INFO L262 CegarLoopResult]: For program point L9629(lines 9629 9631) no Hoare annotation was computed. [2020-12-04 18:49:48,230 INFO L262 CegarLoopResult]: For program point L10059(lines 10059 10063) no Hoare annotation was computed. [2020-12-04 18:49:48,230 INFO L262 CegarLoopResult]: For program point L10059-1(lines 10059 10063) no Hoare annotation was computed. [2020-12-04 18:49:48,230 INFO L262 CegarLoopResult]: For program point L10059-2(lines 10059 10063) no Hoare annotation was computed. [2020-12-04 18:49:48,230 INFO L262 CegarLoopResult]: For program point L10059-3(lines 10059 10063) no Hoare annotation was computed. [2020-12-04 18:49:48,230 INFO L258 CegarLoopResult]: At program point L250(lines 248 251) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,231 INFO L262 CegarLoopResult]: For program point L7385-1(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:49:48,231 INFO L262 CegarLoopResult]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:49:48,231 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 18:49:48,231 INFO L258 CegarLoopResult]: At program point L2630(lines 2626 2631) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,231 INFO L258 CegarLoopResult]: At program point L2630-2(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,232 INFO L258 CegarLoopResult]: At program point L2630-1(lines 2626 2631) the Hoare annotation is: (and (or (not (= ULTIMATE.start_hash_table_state_is_valid_~map.base 0)) (not (= ULTIMATE.start_hash_table_state_is_valid_~map.offset 0))) (< 0 |#StackHeapBarrier|)) [2020-12-04 18:49:48,232 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2499) no Hoare annotation was computed. [2020-12-04 18:49:48,232 INFO L258 CegarLoopResult]: At program point L2630-4(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,232 INFO L258 CegarLoopResult]: At program point L2630-3(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,232 INFO L258 CegarLoopResult]: At program point L2630-6(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,232 INFO L258 CegarLoopResult]: At program point L2630-5(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,233 INFO L258 CegarLoopResult]: At program point L2630-8(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,233 INFO L258 CegarLoopResult]: At program point L2630-7(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,233 INFO L258 CegarLoopResult]: At program point L2630-9(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:49:48,233 INFO L258 CegarLoopResult]: At program point L9139(lines 9139 9143) the Hoare annotation is: false [2020-12-04 18:49:48,233 INFO L262 CegarLoopResult]: For program point L10064-3(lines 10064 10068) no Hoare annotation was computed. [2020-12-04 18:49:48,233 INFO L262 CegarLoopResult]: For program point L10064(lines 10064 10068) no Hoare annotation was computed. [2020-12-04 18:49:48,234 INFO L262 CegarLoopResult]: For program point L10064-1(lines 10064 10068) no Hoare annotation was computed. [2020-12-04 18:49:48,234 INFO L262 CegarLoopResult]: For program point L10064-2(lines 10064 10068) no Hoare annotation was computed. [2020-12-04 18:49:48,234 INFO L258 CegarLoopResult]: At program point L9603(lines 9603 9641) the Hoare annotation is: false [2020-12-04 18:49:48,234 INFO L258 CegarLoopResult]: At program point L2501(lines 2497 2502) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,234 INFO L258 CegarLoopResult]: At program point L255(lines 253 256) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,234 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:49:48,235 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:49:48,235 INFO L262 CegarLoopResult]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:49:48,235 INFO L262 CegarLoopResult]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:49:48,235 INFO L262 CegarLoopResult]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:49:48,235 INFO L262 CegarLoopResult]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:49:48,235 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L9142-1(line 9142) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L223-6(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,236 INFO L262 CegarLoopResult]: For program point L223-7(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,237 INFO L262 CegarLoopResult]: For program point L9142-3(line 9142) no Hoare annotation was computed. [2020-12-04 18:49:48,237 INFO L262 CegarLoopResult]: For program point L223-9(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,237 INFO L262 CegarLoopResult]: For program point L223-10(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,237 INFO L262 CegarLoopResult]: For program point L223-12(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,237 INFO L262 CegarLoopResult]: For program point L223-13(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,237 INFO L262 CegarLoopResult]: For program point L10001-4(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L262 CegarLoopResult]: For program point L10001-5(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L262 CegarLoopResult]: For program point L223-15(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L262 CegarLoopResult]: For program point L10001-6(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L262 CegarLoopResult]: For program point L223-16(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L262 CegarLoopResult]: For program point L10001-7(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L262 CegarLoopResult]: For program point L10001(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,238 INFO L258 CegarLoopResult]: At program point L9142-5(line 9142) the Hoare annotation is: false [2020-12-04 18:49:48,239 INFO L262 CegarLoopResult]: For program point L10001-1(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,239 INFO L262 CegarLoopResult]: For program point L10001-2(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,239 INFO L262 CegarLoopResult]: For program point L10001-3(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,239 INFO L262 CegarLoopResult]: For program point L10001-8(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:49:48,239 INFO L265 CegarLoopResult]: At program point L10134(line 10134) the Hoare annotation is: true [2020-12-04 18:49:48,239 INFO L262 CegarLoopResult]: For program point L9606-2(line 9606) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L9639(line 9639) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L9606(line 9606) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L9639-1(lines 9603 9641) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L10069(lines 10069 10073) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L10069-1(lines 10069 10073) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L10069-2(lines 10069 10073) no Hoare annotation was computed. [2020-12-04 18:49:48,240 INFO L262 CegarLoopResult]: For program point L10069-3(lines 10069 10073) no Hoare annotation was computed. [2020-12-04 18:49:48,241 INFO L262 CegarLoopResult]: For program point L9871(lines 9871 9904) no Hoare annotation was computed. [2020-12-04 18:49:48,241 INFO L262 CegarLoopResult]: For program point L9640-4(lines 9603 9641) no Hoare annotation was computed. [2020-12-04 18:49:48,241 INFO L262 CegarLoopResult]: For program point L9640(line 9640) no Hoare annotation was computed. [2020-12-04 18:49:48,241 INFO L262 CegarLoopResult]: For program point L9640-2(line 9640) no Hoare annotation was computed. [2020-12-04 18:49:48,241 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 18:49:48,241 INFO L258 CegarLoopResult]: At program point L6833(lines 6831 6834) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,242 INFO L262 CegarLoopResult]: For program point L10104(lines 10104 10106) no Hoare annotation was computed. [2020-12-04 18:49:48,242 INFO L258 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: false [2020-12-04 18:49:48,242 INFO L262 CegarLoopResult]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2020-12-04 18:49:48,242 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 18:49:48,242 INFO L258 CegarLoopResult]: At program point L-1-2(line -1) the Hoare annotation is: false [2020-12-04 18:49:48,242 INFO L262 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2020-12-04 18:49:48,243 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:49:48,243 INFO L262 CegarLoopResult]: For program point L10108(lines 10108 10110) no Hoare annotation was computed. [2020-12-04 18:49:48,243 INFO L262 CegarLoopResult]: For program point L10075(lines 10075 10088) no Hoare annotation was computed. [2020-12-04 18:49:48,243 INFO L262 CegarLoopResult]: For program point L10075-1(lines 10075 10088) no Hoare annotation was computed. [2020-12-04 18:49:48,243 INFO L262 CegarLoopResult]: For program point L10075-2(lines 10075 10088) no Hoare annotation was computed. [2020-12-04 18:49:48,243 INFO L262 CegarLoopResult]: For program point L10075-3(lines 10075 10088) no Hoare annotation was computed. [2020-12-04 18:49:48,244 INFO L262 CegarLoopResult]: For program point L10076(line 10076) no Hoare annotation was computed. [2020-12-04 18:49:48,244 INFO L262 CegarLoopResult]: For program point L10076-1(line 10076) no Hoare annotation was computed. [2020-12-04 18:49:48,244 INFO L262 CegarLoopResult]: For program point L10076-2(line 10076) no Hoare annotation was computed. [2020-12-04 18:49:48,244 INFO L262 CegarLoopResult]: For program point L10076-3(line 10076) no Hoare annotation was computed. [2020-12-04 18:49:48,244 INFO L258 CegarLoopResult]: At program point L2545(lines 2541 2546) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,244 INFO L258 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,245 INFO L258 CegarLoopResult]: At program point L266-1(line 266) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:49:48,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:49:48 BoogieIcfgContainer [2020-12-04 18:49:48,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:49:48,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:49:48,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:49:48,286 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:49:48,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:49:28" (3/4) ... [2020-12-04 18:49:48,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 18:49:48,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2020-12-04 18:49:48,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2020-12-04 18:49:48,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2020-12-04 18:49:48,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-04 18:49:48,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-04 18:49:48,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-04 18:49:48,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-04 18:49:48,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 18:49:48,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result + 1 <= 0 || 0 < unknown-#StackHeapBarrier-unknown [2020-12-04 18:49:48,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 || 0 < unknown-#StackHeapBarrier-unknown [2020-12-04 18:49:48,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 [2020-12-04 18:49:48,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 [2020-12-04 18:49:49,917 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 18:49:49,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:49:49,919 INFO L168 Benchmark]: Toolchain (without parser) took 37211.26 ms. Allocated memory was 46.1 MB in the beginning and 736.1 MB in the end (delta: 690.0 MB). Free memory was 21.8 MB in the beginning and 326.7 MB in the end (delta: -304.9 MB). Peak memory consumption was 449.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,920 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory is still 22.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:49:49,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4854.38 ms. Allocated memory was 46.1 MB in the beginning and 148.9 MB in the end (delta: 102.8 MB). Free memory was 21.6 MB in the beginning and 48.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 485.90 ms. Allocated memory was 148.9 MB in the beginning and 186.6 MB in the end (delta: 37.7 MB). Free memory was 48.5 MB in the beginning and 130.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,922 INFO L168 Benchmark]: Boogie Preprocessor took 268.01 ms. Allocated memory is still 186.6 MB. Free memory was 130.4 MB in the beginning and 117.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,922 INFO L168 Benchmark]: RCFGBuilder took 10021.59 ms. Allocated memory was 186.6 MB in the beginning and 373.3 MB in the end (delta: 186.6 MB). Free memory was 117.8 MB in the beginning and 189.8 MB in the end (delta: -71.9 MB). Peak memory consumption was 220.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,923 INFO L168 Benchmark]: TraceAbstraction took 19936.57 ms. Allocated memory was 373.3 MB in the beginning and 601.9 MB in the end (delta: 228.6 MB). Free memory was 189.8 MB in the beginning and 284.8 MB in the end (delta: -95.0 MB). Peak memory consumption was 133.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,923 INFO L168 Benchmark]: Witness Printer took 1632.39 ms. Allocated memory was 601.9 MB in the beginning and 736.1 MB in the end (delta: 134.2 MB). Free memory was 284.8 MB in the beginning and 326.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 155.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:49:49,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory is still 22.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4854.38 ms. Allocated memory was 46.1 MB in the beginning and 148.9 MB in the end (delta: 102.8 MB). Free memory was 21.6 MB in the beginning and 48.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 485.90 ms. Allocated memory was 148.9 MB in the beginning and 186.6 MB in the end (delta: 37.7 MB). Free memory was 48.5 MB in the beginning and 130.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 268.01 ms. Allocated memory is still 186.6 MB. Free memory was 130.4 MB in the beginning and 117.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10021.59 ms. Allocated memory was 186.6 MB in the beginning and 373.3 MB in the end (delta: 186.6 MB). Free memory was 117.8 MB in the beginning and 189.8 MB in the end (delta: -71.9 MB). Peak memory consumption was 220.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19936.57 ms. Allocated memory was 373.3 MB in the beginning and 601.9 MB in the end (delta: 228.6 MB). Free memory was 189.8 MB in the beginning and 284.8 MB in the end (delta: -95.0 MB). Peak memory consumption was 133.6 MB. Max. memory is 16.1 GB. * Witness Printer took 1632.39 ms. Allocated memory was 601.9 MB in the beginning and 736.1 MB in the end (delta: 134.2 MB). Free memory was 284.8 MB in the beginning and 326.7 MB in the end (delta: -41.9 MB). Peak memory consumption was 155.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10052]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 10052]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10052]: Loop Invariant Derived loop invariant: \result == 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10101]: Loop Invariant Derived loop invariant: \result + 1 <= 0 || 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 10052]: Loop Invariant Derived loop invariant: \result == 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: (!(map == 0) || !(map == 0)) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6831]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: \result == 0 || 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 6852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6943]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 6852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9142]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.5s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2066 SDtfs, 517 SDslu, 3629 SDs, 0 SdLazy, 677 SolverSat, 75 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 363 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 73 NumberOfFragments, 111 HoareAnnotationTreeSize, 51 FomulaSimplifications, 84 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 601 NumberOfCodeBlocks, 601 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 70139 SizeOfPredicates, 28 NumberOfNonLiveVariables, 16277 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...