./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_table_init_bounded_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_table_init_bounded_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 d12a34793c57f8d305ef4fdd2f8c6896c9044345 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:53:46,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:53:46,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:53:46,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:53:46,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:53:46,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:53:46,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:53:46,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:53:46,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:53:46,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:53:46,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:53:46,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:53:46,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:53:46,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:53:46,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:53:46,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:53:46,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:53:46,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:53:46,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:53:46,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:53:46,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:53:46,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:53:46,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:53:46,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:53:46,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:53:46,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:53:46,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:53:46,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:53:46,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:53:46,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:53:46,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:53:46,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:53:46,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:53:46,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:53:46,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:53:46,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:53:46,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:53:46,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:53:46,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:53:46,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:53:46,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:53:46,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:53:46,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:53:46,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:53:46,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:53:46,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:53:46,750 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:53:46,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:53:46,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:53:46,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:53:46,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:53:46,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:53:46,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:53:46,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:53:46,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:53:46,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:53:46,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:53:46,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:53:46,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:53:46,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:53:46,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:53:46,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:53:46,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:53:46,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:53:46,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:53:46,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:53:46,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:53:46,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d12a34793c57f8d305ef4fdd2f8c6896c9044345 [2020-12-04 18:53:47,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:53:47,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:53:47,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:53:47,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:53:47,320 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:53:47,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_init_bounded_harness.i [2020-12-04 18:53:47,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ee73d4b/08511fbb45174e66ab3490d8455f9e07/FLAGacff929b9 [2020-12-04 18:53:48,600 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:53:48,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_init_bounded_harness.i [2020-12-04 18:53:48,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ee73d4b/08511fbb45174e66ab3490d8455f9e07/FLAGacff929b9 [2020-12-04 18:53:48,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ee73d4b/08511fbb45174e66ab3490d8455f9e07 [2020-12-04 18:53:48,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:53:48,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:53:48,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:53:48,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:53:48,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:53:48,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:53:48" (1/1) ... [2020-12-04 18:53:48,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6fd464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:48, skipping insertion in model container [2020-12-04 18:53:48,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:53:48" (1/1) ... [2020-12-04 18:53:48,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:53:49,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:53:49,556 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_table_init_bounded_harness.i[4501,4514] [2020-12-04 18:53:49,567 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_table_init_bounded_harness.i[4561,4574] [2020-12-04 18:53:49,607 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:53:49,615 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:53:50,868 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,869 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,871 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,872 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,874 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,903 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,904 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,908 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,912 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,918 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,923 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,924 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:50,925 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:51,494 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:53:51,496 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:53:51,501 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:53:51,504 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:53:51,508 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:53:51,513 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:53:51,514 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:53:51,518 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:53:51,519 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:53:51,523 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:53:51,807 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:53:52,270 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,275 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,324 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,329 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,350 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,351 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,383 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,386 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,388 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,389 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,389 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,390 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,393 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:53:52,540 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:53:52,574 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_table_init_bounded_harness.i[4501,4514] [2020-12-04 18:53:52,575 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_table_init_bounded_harness.i[4561,4574] [2020-12-04 18:53:52,578 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:53:52,579 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:53:52,640 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,642 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,642 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,643 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,643 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,681 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,682 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,684 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,684 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,689 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,692 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,692 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,697 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,752 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:53:52,753 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:53:52,754 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:53:52,755 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:53:52,756 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:53:52,757 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:53:52,757 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:53:52,758 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:53:52,758 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:53:52,759 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:53:52,794 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:53:52,937 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,940 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,965 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,967 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,972 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:52,972 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,001 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,002 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,003 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,004 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,004 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,005 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,006 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:53:53,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:53:54,312 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:53:54,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54 WrapperNode [2020-12-04 18:53:54,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:53:54,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:53:54,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:53:54,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:53:54,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:53:54,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:53:54,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:53:54,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:53:54,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (1/1) ... [2020-12-04 18:53:54,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:53:54,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:53:54,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:53:54,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:53:54,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (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 18:53:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-04 18:53:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:53:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:53:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:53:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:53:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:53:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-04 18:53:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:53:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-04 18:53:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:53:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:53:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:53:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-04 18:53:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:53:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:54:05,028 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !true; [2020-12-04 18:54:05,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:54:05,047 INFO L299 CfgBuilder]: Removed 130 assume(true) statements. [2020-12-04 18:54:05,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:54:05 BoogieIcfgContainer [2020-12-04 18:54:05,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:54:05,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:54:05,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:54:05,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:54:05,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:53:48" (1/3) ... [2020-12-04 18:54:05,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f786bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:54:05, skipping insertion in model container [2020-12-04 18:54:05,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:53:54" (2/3) ... [2020-12-04 18:54:05,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f786bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:54:05, skipping insertion in model container [2020-12-04 18:54:05,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:54:05" (3/3) ... [2020-12-04 18:54:05,064 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_bounded_harness.i [2020-12-04 18:54:05,090 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:54:05,095 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-04 18:54:05,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-04 18:54:05,158 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:54:05,158 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:54:05,158 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:54:05,159 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:54:05,159 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:54:05,159 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:54:05,160 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:54:05,160 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:54:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-12-04 18:54:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-04 18:54:05,206 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:05,207 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] [2020-12-04 18:54:05,208 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:05,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:05,219 INFO L82 PathProgramCache]: Analyzing trace with hash -227722536, now seen corresponding path program 1 times [2020-12-04 18:54:05,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:05,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588676023] [2020-12-04 18:54:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:06,071 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 18:54:06,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588676023] [2020-12-04 18:54:06,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:06,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:54:06,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623841994] [2020-12-04 18:54:06,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:54:06,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:06,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:54:06,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:54:06,100 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-12-04 18:54:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:06,147 INFO L93 Difference]: Finished difference Result 243 states and 324 transitions. [2020-12-04 18:54:06,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:54:06,149 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2020-12-04 18:54:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:06,161 INFO L225 Difference]: With dead ends: 243 [2020-12-04 18:54:06,162 INFO L226 Difference]: Without dead ends: 116 [2020-12-04 18:54:06,166 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 18:54:06,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-04 18:54:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-04 18:54:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-04 18:54:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 139 transitions. [2020-12-04 18:54:06,217 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 139 transitions. Word has length 33 [2020-12-04 18:54:06,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:06,218 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 139 transitions. [2020-12-04 18:54:06,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:54:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2020-12-04 18:54:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-04 18:54:06,220 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:06,221 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] [2020-12-04 18:54:06,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:54:06,221 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:06,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:06,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1424964684, now seen corresponding path program 1 times [2020-12-04 18:54:06,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:06,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128590401] [2020-12-04 18:54:06,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:06,730 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 18:54:06,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128590401] [2020-12-04 18:54:06,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:06,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:06,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695002876] [2020-12-04 18:54:06,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:54:06,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:06,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:54:06,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:54:06,738 INFO L87 Difference]: Start difference. First operand 116 states and 139 transitions. Second operand 4 states. [2020-12-04 18:54:06,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:06,951 INFO L93 Difference]: Finished difference Result 298 states and 359 transitions. [2020-12-04 18:54:06,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:54:06,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-04 18:54:06,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:06,955 INFO L225 Difference]: With dead ends: 298 [2020-12-04 18:54:06,958 INFO L226 Difference]: Without dead ends: 209 [2020-12-04 18:54:06,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:54:06,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-12-04 18:54:06,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 118. [2020-12-04 18:54:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-04 18:54:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 141 transitions. [2020-12-04 18:54:06,998 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 141 transitions. Word has length 33 [2020-12-04 18:54:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:06,999 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 141 transitions. [2020-12-04 18:54:06,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:54:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 141 transitions. [2020-12-04 18:54:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-04 18:54:07,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:07,002 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] [2020-12-04 18:54:07,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:54:07,003 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:07,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1779813818, now seen corresponding path program 1 times [2020-12-04 18:54:07,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:07,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710249175] [2020-12-04 18:54:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:07,433 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 18:54:07,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710249175] [2020-12-04 18:54:07,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:07,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:07,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080164180] [2020-12-04 18:54:07,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:54:07,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:07,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:54:07,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:54:07,441 INFO L87 Difference]: Start difference. First operand 118 states and 141 transitions. Second operand 4 states. [2020-12-04 18:54:07,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:07,576 INFO L93 Difference]: Finished difference Result 228 states and 271 transitions. [2020-12-04 18:54:07,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:54:07,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-12-04 18:54:07,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:07,579 INFO L225 Difference]: With dead ends: 228 [2020-12-04 18:54:07,579 INFO L226 Difference]: Without dead ends: 207 [2020-12-04 18:54:07,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:54:07,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-04 18:54:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 120. [2020-12-04 18:54:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-12-04 18:54:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 143 transitions. [2020-12-04 18:54:07,595 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 143 transitions. Word has length 35 [2020-12-04 18:54:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:07,595 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 143 transitions. [2020-12-04 18:54:07,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:54:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 143 transitions. [2020-12-04 18:54:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:54:07,598 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:07,598 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] [2020-12-04 18:54:07,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 18:54:07,599 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:07,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:07,599 INFO L82 PathProgramCache]: Analyzing trace with hash 194776032, now seen corresponding path program 1 times [2020-12-04 18:54:07,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:07,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225051712] [2020-12-04 18:54:07,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:07,883 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 18:54:07,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225051712] [2020-12-04 18:54:07,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:07,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:07,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907051321] [2020-12-04 18:54:07,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:54:07,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:07,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:54:07,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:54:07,886 INFO L87 Difference]: Start difference. First operand 120 states and 143 transitions. Second operand 4 states. [2020-12-04 18:54:07,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:07,927 INFO L93 Difference]: Finished difference Result 141 states and 166 transitions. [2020-12-04 18:54:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:54:07,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-12-04 18:54:07,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:07,929 INFO L225 Difference]: With dead ends: 141 [2020-12-04 18:54:07,930 INFO L226 Difference]: Without dead ends: 120 [2020-12-04 18:54:07,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:54:07,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-04 18:54:07,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2020-12-04 18:54:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-04 18:54:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2020-12-04 18:54:07,940 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 36 [2020-12-04 18:54:07,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:07,941 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2020-12-04 18:54:07,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:54:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2020-12-04 18:54:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-04 18:54:07,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:07,943 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] [2020-12-04 18:54:07,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 18:54:07,944 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:07,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:07,945 INFO L82 PathProgramCache]: Analyzing trace with hash -150404056, now seen corresponding path program 1 times [2020-12-04 18:54:07,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:07,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037161310] [2020-12-04 18:54:07,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:08,085 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:08,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80178994] [2020-12-04 18:54:08,086 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 18:54:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:09,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 2446 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-04 18:54:09,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:09,605 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 18:54:09,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037161310] [2020-12-04 18:54:09,606 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:09,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80178994] [2020-12-04 18:54:09,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:09,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:09,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713754992] [2020-12-04 18:54:09,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:54:09,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:09,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:54:09,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:54:09,612 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 4 states. [2020-12-04 18:54:09,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:09,868 INFO L93 Difference]: Finished difference Result 154 states and 180 transitions. [2020-12-04 18:54:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:54:09,869 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-12-04 18:54:09,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:09,870 INFO L225 Difference]: With dead ends: 154 [2020-12-04 18:54:09,870 INFO L226 Difference]: Without dead ends: 118 [2020-12-04 18:54:09,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 18:54:09,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-04 18:54:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-12-04 18:54:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-04 18:54:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2020-12-04 18:54:09,879 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 43 [2020-12-04 18:54:09,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:09,880 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2020-12-04 18:54:09,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:54:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2020-12-04 18:54:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-04 18:54:09,882 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:09,883 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] [2020-12-04 18:54:10,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:10,098 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:10,099 INFO L82 PathProgramCache]: Analyzing trace with hash 113873422, now seen corresponding path program 1 times [2020-12-04 18:54:10,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:10,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274557538] [2020-12-04 18:54:10,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:10,220 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:10,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744876736] [2020-12-04 18:54:10,221 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 18:54:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:11,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 2606 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-04 18:54:11,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:11,735 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 18:54:11,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274557538] [2020-12-04 18:54:11,736 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:11,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744876736] [2020-12-04 18:54:11,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:11,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:11,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662794228] [2020-12-04 18:54:11,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:54:11,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:11,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:54:11,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:54:11,739 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 4 states. [2020-12-04 18:54:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:11,778 INFO L93 Difference]: Finished difference Result 191 states and 220 transitions. [2020-12-04 18:54:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:54:11,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-12-04 18:54:11,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:11,780 INFO L225 Difference]: With dead ends: 191 [2020-12-04 18:54:11,781 INFO L226 Difference]: Without dead ends: 118 [2020-12-04 18:54:11,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 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 18:54:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-04 18:54:11,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-12-04 18:54:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-04 18:54:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2020-12-04 18:54:11,789 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 56 [2020-12-04 18:54:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:11,790 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2020-12-04 18:54:11,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:54:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2020-12-04 18:54:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-04 18:54:11,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:11,793 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] [2020-12-04 18:54:12,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:12,008 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:12,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:12,009 INFO L82 PathProgramCache]: Analyzing trace with hash 957442156, now seen corresponding path program 1 times [2020-12-04 18:54:12,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:12,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54307360] [2020-12-04 18:54:12,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:12,131 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:12,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233944138] [2020-12-04 18:54:12,132 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 18:54:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:13,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 2679 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-04 18:54:13,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:13,719 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 18:54:13,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54307360] [2020-12-04 18:54:13,720 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:13,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233944138] [2020-12-04 18:54:13,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:13,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:13,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881535897] [2020-12-04 18:54:13,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:54:13,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:13,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:54:13,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:54:13,723 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 4 states. [2020-12-04 18:54:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:13,873 INFO L93 Difference]: Finished difference Result 156 states and 178 transitions. [2020-12-04 18:54:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:54:13,891 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-12-04 18:54:13,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:13,892 INFO L225 Difference]: With dead ends: 156 [2020-12-04 18:54:13,892 INFO L226 Difference]: Without dead ends: 118 [2020-12-04 18:54:13,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 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 18:54:13,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-04 18:54:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-12-04 18:54:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-04 18:54:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 134 transitions. [2020-12-04 18:54:13,900 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 134 transitions. Word has length 61 [2020-12-04 18:54:13,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:13,900 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 134 transitions. [2020-12-04 18:54:13,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:54:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 134 transitions. [2020-12-04 18:54:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-04 18:54:13,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:13,902 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] [2020-12-04 18:54:14,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:14,118 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:14,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:14,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1184207723, now seen corresponding path program 1 times [2020-12-04 18:54:14,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:14,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882226685] [2020-12-04 18:54:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:14,263 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:14,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347243900] [2020-12-04 18:54:14,264 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 18:54:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:15,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2704 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-04 18:54:15,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:15,845 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 18:54:15,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882226685] [2020-12-04 18:54:15,845 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:15,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347243900] [2020-12-04 18:54:15,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:15,846 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:54:15,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631515719] [2020-12-04 18:54:15,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:54:15,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:15,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:54:15,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:54:15,848 INFO L87 Difference]: Start difference. First operand 118 states and 134 transitions. Second operand 9 states. [2020-12-04 18:54:16,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:16,376 INFO L93 Difference]: Finished difference Result 168 states and 190 transitions. [2020-12-04 18:54:16,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-04 18:54:16,377 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-12-04 18:54:16,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:16,378 INFO L225 Difference]: With dead ends: 168 [2020-12-04 18:54:16,378 INFO L226 Difference]: Without dead ends: 116 [2020-12-04 18:54:16,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2020-12-04 18:54:16,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-04 18:54:16,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-04 18:54:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-04 18:54:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 130 transitions. [2020-12-04 18:54:16,385 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 130 transitions. Word has length 67 [2020-12-04 18:54:16,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:16,385 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 130 transitions. [2020-12-04 18:54:16,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:54:16,386 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2020-12-04 18:54:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-04 18:54:16,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:16,388 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] [2020-12-04 18:54:16,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:16,602 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:16,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:16,603 INFO L82 PathProgramCache]: Analyzing trace with hash -487211800, now seen corresponding path program 1 times [2020-12-04 18:54:16,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:16,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563853519] [2020-12-04 18:54:16,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:16,775 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:16,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879345367] [2020-12-04 18:54:16,776 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 18:54:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:18,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 2828 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-04 18:54:18,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:18,341 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-04 18:54:18,342 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:54:18,353 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:54:18,354 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:54:18,355 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2020-12-04 18:54:18,507 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 18:54:18,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563853519] [2020-12-04 18:54:18,507 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:18,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879345367] [2020-12-04 18:54:18,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:18,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-04 18:54:18,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561324492] [2020-12-04 18:54:18,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-04 18:54:18,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:18,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-04 18:54:18,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-12-04 18:54:18,513 INFO L87 Difference]: Start difference. First operand 116 states and 130 transitions. Second operand 14 states. [2020-12-04 18:54:25,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:25,528 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2020-12-04 18:54:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-04 18:54:25,531 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 77 [2020-12-04 18:54:25,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:25,532 INFO L225 Difference]: With dead ends: 149 [2020-12-04 18:54:25,532 INFO L226 Difference]: Without dead ends: 122 [2020-12-04 18:54:25,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2020-12-04 18:54:25,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-12-04 18:54:25,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2020-12-04 18:54:25,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-04 18:54:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 132 transitions. [2020-12-04 18:54:25,545 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 132 transitions. Word has length 77 [2020-12-04 18:54:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:25,547 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 132 transitions. [2020-12-04 18:54:25,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-04 18:54:25,547 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2020-12-04 18:54:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-04 18:54:25,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:25,551 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] [2020-12-04 18:54:25,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:25,765 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:25,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:25,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1287795562, now seen corresponding path program 1 times [2020-12-04 18:54:25,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:25,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517482904] [2020-12-04 18:54:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:25,934 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:25,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948875880] [2020-12-04 18:54:25,935 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 18:54:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:27,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 2823 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-04 18:54:27,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:27,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:54:27,367 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 18:54:27,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517482904] [2020-12-04 18:54:27,368 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:27,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948875880] [2020-12-04 18:54:27,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:27,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:54:27,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023218496] [2020-12-04 18:54:27,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:54:27,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:27,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:54:27,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:54:27,370 INFO L87 Difference]: Start difference. First operand 118 states and 132 transitions. Second operand 5 states. [2020-12-04 18:54:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:27,574 INFO L93 Difference]: Finished difference Result 148 states and 165 transitions. [2020-12-04 18:54:27,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:54:27,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-04 18:54:27,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:27,577 INFO L225 Difference]: With dead ends: 148 [2020-12-04 18:54:27,577 INFO L226 Difference]: Without dead ends: 116 [2020-12-04 18:54:27,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 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 18:54:27,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-04 18:54:27,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-04 18:54:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-04 18:54:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2020-12-04 18:54:27,585 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 77 [2020-12-04 18:54:27,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:27,586 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2020-12-04 18:54:27,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:54:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2020-12-04 18:54:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-04 18:54:27,587 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:27,587 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] [2020-12-04 18:54:27,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:27,801 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:27,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:27,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1523686877, now seen corresponding path program 1 times [2020-12-04 18:54:27,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:27,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84561226] [2020-12-04 18:54:27,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:27,921 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:27,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982888326] [2020-12-04 18:54:27,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:54:29,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 2849 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-04 18:54:29,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:54:29,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:54:29,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:54:29,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:54:29,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:54:29,535 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 18:54:29,538 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:54:29,546 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 18:54:29,551 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:54:29,574 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:54:29,579 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 18:54:29,582 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:54:29,588 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 18:54:29,590 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:54:29,599 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:54:29,600 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 18:54:29,600 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:47, output treesize:9 [2020-12-04 18:54:29,629 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 18:54:29,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84561226] [2020-12-04 18:54:29,630 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:54:29,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982888326] [2020-12-04 18:54:29,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:54:29,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:54:29,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595733304] [2020-12-04 18:54:29,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:54:29,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:29,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:54:29,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:54:29,632 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand 5 states. [2020-12-04 18:54:34,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:54:34,804 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2020-12-04 18:54:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:54:34,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-04 18:54:34,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:54:34,806 INFO L225 Difference]: With dead ends: 165 [2020-12-04 18:54:34,806 INFO L226 Difference]: Without dead ends: 137 [2020-12-04 18:54:34,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 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 18:54:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-04 18:54:34,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 119. [2020-12-04 18:54:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-04 18:54:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2020-12-04 18:54:34,815 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 79 [2020-12-04 18:54:34,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:54:34,816 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2020-12-04 18:54:34,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:54:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2020-12-04 18:54:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-04 18:54:34,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:54:34,817 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 18:54:35,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:54:35,028 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:54:35,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:54:35,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1724339831, now seen corresponding path program 1 times [2020-12-04 18:54:35,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:54:35,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224333022] [2020-12-04 18:54:35,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:54:35,141 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:54:35,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [756272872] [2020-12-04 18:54:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:59:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:59:46,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 2874 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-04 18:59:46,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:59:46,862 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 18:59:46,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224333022] [2020-12-04 18:59:46,863 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:59:46,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756272872] [2020-12-04 18:59:46,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:59:46,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:59:46,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685573552] [2020-12-04 18:59:46,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:59:46,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:59:46,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:59:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:59:46,865 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand 4 states. [2020-12-04 18:59:46,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:59:46,974 INFO L93 Difference]: Finished difference Result 312 states and 343 transitions. [2020-12-04 18:59:46,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:59:46,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2020-12-04 18:59:46,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:59:46,977 INFO L225 Difference]: With dead ends: 312 [2020-12-04 18:59:46,977 INFO L226 Difference]: Without dead ends: 218 [2020-12-04 18:59:46,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 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 18:59:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-12-04 18:59:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 122. [2020-12-04 18:59:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-04 18:59:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 134 transitions. [2020-12-04 18:59:46,990 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 134 transitions. Word has length 80 [2020-12-04 18:59:46,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:59:46,990 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 134 transitions. [2020-12-04 18:59:46,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:59:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 134 transitions. [2020-12-04 18:59:46,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-04 18:59:46,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:59:46,992 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] [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forcibly destroying the process [2020-12-04 18:59:47,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-04 18:59:47,206 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:59:47,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:59:47,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1306943225, now seen corresponding path program 1 times [2020-12-04 18:59:47,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:59:47,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685997138] [2020-12-04 18:59:47,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:59:47,366 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:59:47,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999986391] [2020-12-04 18:59:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:59:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:59:48,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-04 18:59:48,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:59:48,882 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 18:59:48,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685997138] [2020-12-04 18:59:48,883 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:59:48,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999986391] [2020-12-04 18:59:48,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:59:48,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:59:48,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927335051] [2020-12-04 18:59:48,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:59:48,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:59:48,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:59:48,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:59:48,884 INFO L87 Difference]: Start difference. First operand 122 states and 134 transitions. Second operand 4 states. [2020-12-04 18:59:48,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:59:48,969 INFO L93 Difference]: Finished difference Result 214 states and 234 transitions. [2020-12-04 18:59:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:59:48,970 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2020-12-04 18:59:48,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:59:48,971 INFO L225 Difference]: With dead ends: 214 [2020-12-04 18:59:48,971 INFO L226 Difference]: Without dead ends: 120 [2020-12-04 18:59:48,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 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 18:59:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-04 18:59:48,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2020-12-04 18:59:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-04 18:59:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2020-12-04 18:59:48,981 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 80 [2020-12-04 18:59:48,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:59:48,981 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2020-12-04 18:59:48,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:59:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2020-12-04 18:59:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-04 18:59:48,983 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:59:48,983 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] [2020-12-04 18:59:49,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:59:49,198 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:59:49,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:59:49,199 INFO L82 PathProgramCache]: Analyzing trace with hash -441626851, now seen corresponding path program 1 times [2020-12-04 18:59:49,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:59:49,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394950411] [2020-12-04 18:59:49,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:59:49,307 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:59:49,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584904421] [2020-12-04 18:59:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:59:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:59:50,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-04 18:59:50,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:59:50,785 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 18:59:50,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394950411] [2020-12-04 18:59:50,786 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:59:50,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584904421] [2020-12-04 18:59:50,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:59:50,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:59:50,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031099996] [2020-12-04 18:59:50,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:59:50,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:59:50,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:59:50,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:59:50,788 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 4 states. [2020-12-04 18:59:50,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:59:50,885 INFO L93 Difference]: Finished difference Result 207 states and 224 transitions. [2020-12-04 18:59:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:59:50,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 81 [2020-12-04 18:59:50,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:59:50,887 INFO L225 Difference]: With dead ends: 207 [2020-12-04 18:59:50,887 INFO L226 Difference]: Without dead ends: 117 [2020-12-04 18:59:50,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 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 18:59:50,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-04 18:59:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-04 18:59:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-04 18:59:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 126 transitions. [2020-12-04 18:59:50,898 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 126 transitions. Word has length 81 [2020-12-04 18:59:50,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:59:50,898 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 126 transitions. [2020-12-04 18:59:50,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:59:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2020-12-04 18:59:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-04 18:59:50,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:59:50,899 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 18:59:51,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:59:51,115 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:59:51,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:59:51,116 INFO L82 PathProgramCache]: Analyzing trace with hash -190563229, now seen corresponding path program 1 times [2020-12-04 18:59:51,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:59:51,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131092976] [2020-12-04 18:59:51,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:59:51,237 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:59:51,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021400154] [2020-12-04 18:59:51,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:59:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:59:52,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 2884 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-04 18:59:52,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:59:52,695 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 18:59:52,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131092976] [2020-12-04 18:59:52,696 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:59:52,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021400154] [2020-12-04 18:59:52,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:59:52,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:59:52,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131752887] [2020-12-04 18:59:52,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:59:52,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:59:52,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:59:52,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:59:52,698 INFO L87 Difference]: Start difference. First operand 117 states and 126 transitions. Second operand 5 states. [2020-12-04 18:59:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:59:52,806 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2020-12-04 18:59:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:59:52,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-12-04 18:59:52,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:59:52,807 INFO L225 Difference]: With dead ends: 117 [2020-12-04 18:59:52,807 INFO L226 Difference]: Without dead ends: 0 [2020-12-04 18:59:52,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 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 18:59:52,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-04 18:59:52,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-04 18:59:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-04 18:59:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-04 18:59:52,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-12-04 18:59:52,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:59:52,811 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-04 18:59:52,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:59:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-04 18:59:52,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 18:59:53,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-04 18:59:53,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-04 18:59:53,256 INFO L258 CegarLoopResult]: At program point L10044(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:59:53,257 INFO L258 CegarLoopResult]: At program point L10044-1(lines 9999 10046) the Hoare annotation is: false [2020-12-04 18:59:53,257 INFO L258 CegarLoopResult]: At program point L250(lines 248 251) the Hoare annotation is: false [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point L7385-3(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point L7385-2(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point L7385-1(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L258 CegarLoopResult]: At program point L9202(lines 9202 9243) the Hoare annotation is: (<= (+ |ULTIMATE.start_aws_hash_table_init_#res| 1) 0) [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point L7385-5(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point L7385-4(lines 7385 7387) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 18:59:53,257 INFO L258 CegarLoopResult]: At program point L6940(lines 6934 6941) the Hoare annotation is: false [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L10128(lines 10128 10132) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L10128-2(lines 10128 10132) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L258 CegarLoopResult]: At program point L2630(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:59:53,258 INFO L258 CegarLoopResult]: At program point L2630-1(lines 2626 2631) the Hoare annotation is: false [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L2498(lines 2498 2499) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L2498-2(lines 2498 2499) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L258 CegarLoopResult]: At program point L10112(lines 10101 10113) the Hoare annotation is: (<= (+ |ULTIMATE.start_hash_table_state_required_bytes_#res| 1) 0) [2020-12-04 18:59:53,258 INFO L258 CegarLoopResult]: At program point L9171(lines 9153 9172) the Hoare annotation is: (and (= |ULTIMATE.start_s_alloc_state_#res.base| 0) (= |ULTIMATE.start_s_alloc_state_#res.offset| 0)) [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L9155(lines 9155 9159) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L9238(lines 9238 9240) no Hoare annotation was computed. [2020-12-04 18:59:53,258 INFO L262 CegarLoopResult]: For program point L10114(lines 10114 10133) no Hoare annotation was computed. [2020-12-04 18:59:53,259 INFO L262 CegarLoopResult]: For program point L7175(lines 1 10134) no Hoare annotation was computed. [2020-12-04 18:59:53,259 INFO L258 CegarLoopResult]: At program point L2501-1(lines 2497 2502) the Hoare annotation is: false [2020-12-04 18:59:53,259 INFO L262 CegarLoopResult]: For program point L7010(lines 7010 7014) no Hoare annotation was computed. [2020-12-04 18:59:53,259 INFO L258 CegarLoopResult]: At program point L2501(lines 2497 2502) the Hoare annotation is: false [2020-12-04 18:59:53,259 INFO L258 CegarLoopResult]: At program point L2501-2(lines 2497 2502) the Hoare annotation is: false [2020-12-04 18:59:53,259 INFO L258 CegarLoopResult]: At program point L255(lines 253 256) the Hoare annotation is: false [2020-12-04 18:59:53,259 INFO L258 CegarLoopResult]: At program point L255-1(lines 253 256) the Hoare annotation is: false [2020-12-04 18:59:53,259 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:59:53,259 INFO L258 CegarLoopResult]: At program point L255-2(lines 253 256) the Hoare annotation is: false [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:59:53,260 INFO L258 CegarLoopResult]: At program point L2617(lines 2613 2621) the Hoare annotation is: false [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point L7176(lines 7176 7182) no Hoare annotation was computed. [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,260 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L223-6(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L223-7(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L10001(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L10001-1(lines 10001 10005) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L9192(lines 9192 9194) no Hoare annotation was computed. [2020-12-04 18:59:53,261 INFO L262 CegarLoopResult]: For program point L9192-2(lines 9192 9194) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L258 CegarLoopResult]: At program point L9242-2(line 9242) the Hoare annotation is: false [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L9242-3(line 9242) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L265 CegarLoopResult]: At program point L10134(line 10134) the Hoare annotation is: true [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L9178(lines 9178 9180) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L9178-2(lines 9178 9180) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,262 INFO L262 CegarLoopResult]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-9(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-10(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L210-11(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L10104(lines 10104 10106) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,263 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-10(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-12(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-14(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L258 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: false [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-16(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-18(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L258 CegarLoopResult]: At program point L2590(lines 2586 2594) the Hoare annotation is: false [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-20(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L258 CegarLoopResult]: At program point L2590-2(lines 2586 2594) the Hoare annotation is: false [2020-12-04 18:59:53,264 INFO L262 CegarLoopResult]: For program point L211-22(line 211) no Hoare annotation was computed. [2020-12-04 18:59:53,264 INFO L258 CegarLoopResult]: At program point L2590-1(lines 2586 2594) the Hoare annotation is: false [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9164(lines 9164 9168) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L258 CegarLoopResult]: At program point L6951-1(lines 6950 6952) the Hoare annotation is: false [2020-12-04 18:59:53,265 INFO L258 CegarLoopResult]: At program point L6951(lines 6950 6952) the Hoare annotation is: (< 0 |#StackHeapBarrier|) [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9990-2(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9990-3(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9990(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9990-9(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L258 CegarLoopResult]: At program point L2657(lines 2637 2658) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_aws_raise_error_#res| 1) 0) (<= 2 (mod ULTIMATE.start_s_update_template_size_~min_size~0 4294967296)) (< 1 ULTIMATE.start_aws_hash_table_init_~map.base) (<= 2 (mod ULTIMATE.start_aws_round_up_to_power_of_two_~n 4294967296)) (< 0 |#StackHeapBarrier|) (<= (+ |ULTIMATE.start_aws_round_up_to_power_of_two_#res| 1) 0)) [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9990-10(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,265 INFO L262 CegarLoopResult]: For program point L9990-12(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point L9990-5(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L258 CegarLoopResult]: At program point L9990-6(lines 9988 9991) the Hoare annotation is: false [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point L9990-7(line 9990) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L258 CegarLoopResult]: At program point L9990-13(lines 9988 9991) the Hoare annotation is: false [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L262 CegarLoopResult]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2020-12-04 18:59:53,266 INFO L258 CegarLoopResult]: At program point L1998(lines 1988 1999) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_aws_raise_error_#res| 1) 0) (<= 2 (mod ULTIMATE.start_s_update_template_size_~min_size~0 4294967296)) (< 1 ULTIMATE.start_aws_hash_table_init_~map.base) (<= 2 (mod ULTIMATE.start_aws_round_up_to_power_of_two_~n 4294967296)) (< 0 |#StackHeapBarrier|)) [2020-12-04 18:59:53,266 INFO L258 CegarLoopResult]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: false [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L6986(lines 6984 6987) the Hoare annotation is: false [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L1998-2(lines 1988 1999) the Hoare annotation is: false [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L9199(lines 9175 9200) the Hoare annotation is: (and (<= 2 (mod ULTIMATE.start_s_update_template_size_~min_size~0 4294967296)) (< 1 ULTIMATE.start_aws_hash_table_init_~map.base) (<= (+ |ULTIMATE.start_s_update_template_size_#res| 1) 0) (<= 2 (mod ULTIMATE.start_aws_round_up_to_power_of_two_~n 4294967296)) (< 0 |#StackHeapBarrier|)) [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L1998-3(lines 1988 1999) the Hoare annotation is: false [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L1998-4(lines 1988 1999) the Hoare annotation is: false [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L1998-5(lines 1988 1999) the Hoare annotation is: (and (= ULTIMATE.start_aws_mem_calloc_~mem~1.base 0) (= ULTIMATE.start_aws_mem_calloc_~mem~1.offset 0)) [2020-12-04 18:59:53,267 INFO L262 CegarLoopResult]: For program point L10108(lines 10108 10110) no Hoare annotation was computed. [2020-12-04 18:59:53,267 INFO L262 CegarLoopResult]: For program point L9233(lines 9233 9235) no Hoare annotation was computed. [2020-12-04 18:59:53,267 INFO L258 CegarLoopResult]: At program point L7020(lines 7001 7021) the Hoare annotation is: (and (= |ULTIMATE.start_aws_mem_calloc_#res.offset| 0) (= |ULTIMATE.start_aws_mem_calloc_#res.base| 0)) [2020-12-04 18:59:53,267 INFO L262 CegarLoopResult]: For program point L9184(lines 9184 9186) no Hoare annotation was computed. [2020-12-04 18:59:53,268 INFO L258 CegarLoopResult]: At program point L2545(lines 2541 2546) the Hoare annotation is: false [2020-12-04 18:59:53,268 INFO L262 CegarLoopResult]: For program point L6955(lines 6955 6957) no Hoare annotation was computed. [2020-12-04 18:59:53,268 INFO L258 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: false [2020-12-04 18:59:53,268 INFO L258 CegarLoopResult]: At program point L6955-3(lines 6954 6958) the Hoare annotation is: (and (= |ULTIMATE.start_can_fail_calloc_#res.offset| 0) (= |ULTIMATE.start_can_fail_calloc_#res.base| 0)) [2020-12-04 18:59:53,268 INFO L262 CegarLoopResult]: For program point L6955-2(lines 6955 6957) no Hoare annotation was computed. [2020-12-04 18:59:53,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:59:53 BoogieIcfgContainer [2020-12-04 18:59:53,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:59:53,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:59:53,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:59:53,316 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:59:53,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:54:05" (3/4) ... [2020-12-04 18:59:53,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 18:59:53,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 194 nodes and edges [2020-12-04 18:59:53,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2020-12-04 18:59:53,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2020-12-04 18:59:53,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-04 18:59:53,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-04 18:59:53,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-04 18:59:53,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-04 18:59:53,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 18:59:53,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown) && \result + 1 <= 0 [2020-12-04 18:59:53,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= min_size % 4294967296 && 1 < map) && \result + 1 <= 0) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown [2020-12-04 18:59:53,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown [2020-12-04 18:59:53,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result + 1 <= 0 [2020-12-04 18:59:53,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result + 1 <= 0 [2020-12-04 18:59:53,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && \result == 0 [2020-12-04 18:59:53,417 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && \result == 0 [2020-12-04 18:59:53,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && \result == 0 [2020-12-04 18:59:54,391 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 18:59:54,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:59:54,393 INFO L168 Benchmark]: Toolchain (without parser) took 365425.10 ms. Allocated memory was 46.1 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 22.7 MB in the beginning and 385.3 MB in the end (delta: -362.6 MB). Peak memory consumption was 711.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,394 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 37.7 MB. Free memory is still 19.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:59:54,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5344.07 ms. Allocated memory was 46.1 MB in the beginning and 121.6 MB in the end (delta: 75.5 MB). Free memory was 22.5 MB in the beginning and 41.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 348.14 ms. Allocated memory is still 121.6 MB. Free memory was 41.3 MB in the beginning and 28.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,395 INFO L168 Benchmark]: Boogie Preprocessor took 193.11 ms. Allocated memory is still 121.6 MB. Free memory was 28.7 MB in the beginning and 19.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,395 INFO L168 Benchmark]: RCFGBuilder took 10192.02 ms. Allocated memory was 121.6 MB in the beginning and 497.0 MB in the end (delta: 375.4 MB). Free memory was 19.2 MB in the beginning and 250.6 MB in the end (delta: -231.4 MB). Peak memory consumption was 202.7 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,396 INFO L168 Benchmark]: TraceAbstraction took 348260.02 ms. Allocated memory was 497.0 MB in the beginning and 1.1 GB in the end (delta: 580.9 MB). Free memory was 249.5 MB in the beginning and 527.9 MB in the end (delta: -278.4 MB). Peak memory consumption was 303.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,396 INFO L168 Benchmark]: Witness Printer took 1076.51 ms. Allocated memory is still 1.1 GB. Free memory was 527.9 MB in the beginning and 385.3 MB in the end (delta: 142.6 MB). Peak memory consumption was 184.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:59:54,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 37.7 MB. Free memory is still 19.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5344.07 ms. Allocated memory was 46.1 MB in the beginning and 121.6 MB in the end (delta: 75.5 MB). Free memory was 22.5 MB in the beginning and 41.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 348.14 ms. Allocated memory is still 121.6 MB. Free memory was 41.3 MB in the beginning and 28.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 193.11 ms. Allocated memory is still 121.6 MB. Free memory was 28.7 MB in the beginning and 19.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10192.02 ms. Allocated memory was 121.6 MB in the beginning and 497.0 MB in the end (delta: 375.4 MB). Free memory was 19.2 MB in the beginning and 250.6 MB in the end (delta: -231.4 MB). Peak memory consumption was 202.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 348260.02 ms. Allocated memory was 497.0 MB in the beginning and 1.1 GB in the end (delta: 580.9 MB). Free memory was 249.5 MB in the beginning and 527.9 MB in the end (delta: -278.4 MB). Peak memory consumption was 303.6 MB. Max. memory is 16.1 GB. * Witness Printer took 1076.51 ms. Allocated memory is still 1.1 GB. Free memory was 527.9 MB in the beginning and 385.3 MB in the end (delta: 142.6 MB). Peak memory consumption was 184.5 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: (((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9175]: Loop Invariant Derived loop invariant: (((2 <= min_size % 4294967296 && 1 < map) && \result + 1 <= 0) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10101]: Loop Invariant Derived loop invariant: \result + 1 <= 0 - InvariantResult [Line: 9988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: \result == 0 && \result == 0 - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2637]: Loop Invariant Derived loop invariant: ((((\result + 1 <= 0 && 2 <= min_size % 4294967296) && 1 < map) && 2 <= n % 4294967296) && 0 < unknown-#StackHeapBarrier-unknown) && \result + 1 <= 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: mem == 0 && mem == 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9202]: Loop Invariant Derived loop invariant: \result + 1 <= 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6954]: Loop Invariant Derived loop invariant: \result == 0 && \result == 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9153]: Loop Invariant Derived loop invariant: \result == 0 && \result == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 347.8s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1945 SDtfs, 1309 SDslu, 4491 SDs, 0 SdLazy, 379 SolverSat, 26 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 821 GetRequests, 741 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 301 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 52 NumberOfFragments, 141 HoareAnnotationTreeSize, 39 FomulaSimplifications, 92 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.0s SsaConstructionTime, 321.0s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 921 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 88740 SizeOfPredicates, 73 NumberOfNonLiveVariables, 30428 ConjunctsInSsa, 158 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...