./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 11:33:52,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 11:33:52,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 11:33:52,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 11:33:52,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 11:33:52,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 11:33:52,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 11:33:52,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 11:33:52,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 11:33:52,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 11:33:52,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 11:33:52,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 11:33:52,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 11:33:52,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 11:33:52,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 11:33:52,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 11:33:52,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 11:33:52,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 11:33:52,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 11:33:52,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 11:33:52,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 11:33:52,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 11:33:52,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 11:33:52,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 11:33:52,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 11:33:52,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 11:33:52,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 11:33:52,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 11:33:52,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 11:33:52,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 11:33:52,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 11:33:52,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 11:33:52,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 11:33:52,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 11:33:52,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 11:33:52,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 11:33:52,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 11:33:52,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 11:33:52,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 11:33:52,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 11:33:52,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 11:33:52,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 11:33:52,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 11:33:52,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 11:33:52,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 11:33:52,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 11:33:52,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 11:33:52,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 11:33:52,451 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 11:33:52,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 11:33:52,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 11:33:52,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 11:33:52,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 11:33:52,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 11:33:52,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 11:33:52,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 11:33:52,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 11:33:52,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 11:33:52,454 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 11:33:52,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 11:33:52,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 11:33:52,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 11:33:52,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 11:33:52,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 11:33:52,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 11:33:52,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 11:33:52,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 11:33:52,455 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 11:33:52,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 11:33:52,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 11:33:52,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 11:33:52,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2021-11-06 11:33:52,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 11:33:52,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 11:33:52,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 11:33:52,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 11:33:52,740 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 11:33:52,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-06 11:33:52,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a5296d5b/55169f2b281c42fcbcaa1b14b8acc10e/FLAG8960b8d75 [2021-11-06 11:33:53,508 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 11:33:53,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-06 11:33:53,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a5296d5b/55169f2b281c42fcbcaa1b14b8acc10e/FLAG8960b8d75 [2021-11-06 11:33:53,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a5296d5b/55169f2b281c42fcbcaa1b14b8acc10e [2021-11-06 11:33:53,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 11:33:53,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 11:33:53,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 11:33:53,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 11:33:53,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 11:33:53,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:33:53" (1/1) ... [2021-11-06 11:33:53,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f932675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:53, skipping insertion in model container [2021-11-06 11:33:53,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:33:53" (1/1) ... [2021-11-06 11:33:53,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 11:33:53,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 11:33:54,090 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-06 11:33:54,096 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-06 11:33:54,112 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 11:33:54,116 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 11:33:54,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,720 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,721 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,742 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,742 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,744 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,744 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,745 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,746 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:54,973 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 11:33:54,974 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 11:33:54,975 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 11:33:54,976 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 11:33:54,977 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 11:33:54,977 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 11:33:54,978 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 11:33:54,978 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 11:33:54,979 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 11:33:54,979 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 11:33:55,107 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 11:33:55,144 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,149 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,213 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,214 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,216 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,217 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,218 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,218 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,219 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,219 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,219 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,227 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,228 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,236 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,237 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,245 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,247 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,247 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 11:33:55,320 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 11:33:55,369 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-06 11:33:55,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-06 11:33:55,372 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 11:33:55,372 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 11:33:55,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,401 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,405 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,406 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,408 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,409 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,440 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 11:33:55,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 11:33:55,441 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 11:33:55,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 11:33:55,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 11:33:55,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 11:33:55,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 11:33:55,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 11:33:55,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 11:33:55,446 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 11:33:55,488 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 11:33:55,506 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,512 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,546 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,546 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,547 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,549 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,549 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,550 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,550 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,552 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,561 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,561 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:33:55,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 11:33:55,778 INFO L208 MainTranslator]: Completed translation [2021-11-06 11:33:55,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55 WrapperNode [2021-11-06 11:33:55,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 11:33:55,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 11:33:55,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 11:33:55,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 11:33:55,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:55,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 11:33:56,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 11:33:56,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 11:33:56,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 11:33:56,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 11:33:56,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 11:33:56,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 11:33:56,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 11:33:56,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (1/1) ... [2021-11-06 11:33:56,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 11:33:56,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:33:56,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 11:33:56,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 11:33:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 11:33:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 11:33:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 11:33:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 11:33:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 11:33:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 11:33:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-06 11:33:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 11:33:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-06 11:33:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 11:33:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 11:33:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 11:33:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 11:34:14,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 11:34:14,677 INFO L299 CfgBuilder]: Removed 1883 assume(true) statements. [2021-11-06 11:34:14,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:34:14 BoogieIcfgContainer [2021-11-06 11:34:14,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 11:34:14,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 11:34:14,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 11:34:14,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 11:34:14,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:33:53" (1/3) ... [2021-11-06 11:34:14,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091f19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:34:14, skipping insertion in model container [2021-11-06 11:34:14,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:33:55" (2/3) ... [2021-11-06 11:34:14,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4091f19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:34:14, skipping insertion in model container [2021-11-06 11:34:14,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:34:14" (3/3) ... [2021-11-06 11:34:14,699 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2021-11-06 11:34:14,704 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 11:34:14,704 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 63 error locations. [2021-11-06 11:34:14,762 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 11:34:14,777 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 11:34:14,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2021-11-06 11:34:14,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 2319 states, 2255 states have (on average 1.4124168514412416) internal successors, (3185), 2318 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 11:34:14,841 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:14,842 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:14,843 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:14,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:14,848 INFO L85 PathProgramCache]: Analyzing trace with hash -966206977, now seen corresponding path program 1 times [2021-11-06 11:34:14,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:14,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719446271] [2021-11-06 11:34:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:14,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:15,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:15,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719446271] [2021-11-06 11:34:15,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719446271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:15,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:15,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 11:34:15,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543485123] [2021-11-06 11:34:15,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 11:34:15,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:15,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 11:34:15,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 11:34:15,500 INFO L87 Difference]: Start difference. First operand has 2319 states, 2255 states have (on average 1.4124168514412416) internal successors, (3185), 2318 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:15,596 INFO L93 Difference]: Finished difference Result 4632 states and 6363 transitions. [2021-11-06 11:34:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 11:34:15,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 11:34:15,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:15,617 INFO L225 Difference]: With dead ends: 4632 [2021-11-06 11:34:15,618 INFO L226 Difference]: Without dead ends: 2314 [2021-11-06 11:34:15,626 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 11:34:15,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2021-11-06 11:34:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2314. [2021-11-06 11:34:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2251 states have (on average 1.3251888049755665) internal successors, (2983), 2313 states have internal predecessors, (2983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2983 transitions. [2021-11-06 11:34:15,730 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2983 transitions. Word has length 64 [2021-11-06 11:34:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:15,730 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 2983 transitions. [2021-11-06 11:34:15,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2983 transitions. [2021-11-06 11:34:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 11:34:15,733 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:15,733 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:15,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 11:34:15,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:15,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:15,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1823598091, now seen corresponding path program 1 times [2021-11-06 11:34:15,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:15,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682181303] [2021-11-06 11:34:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:15,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:16,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:16,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682181303] [2021-11-06 11:34:16,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682181303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:16,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:16,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:34:16,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476584541] [2021-11-06 11:34:16,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:34:16,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:16,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:34:16,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:34:16,146 INFO L87 Difference]: Start difference. First operand 2314 states and 2983 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:16,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:16,409 INFO L93 Difference]: Finished difference Result 4548 states and 5861 transitions. [2021-11-06 11:34:16,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 11:34:16,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-06 11:34:16,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:16,419 INFO L225 Difference]: With dead ends: 4548 [2021-11-06 11:34:16,420 INFO L226 Difference]: Without dead ends: 2314 [2021-11-06 11:34:16,424 INFO L786 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 [2021-11-06 11:34:16,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2021-11-06 11:34:16,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2314. [2021-11-06 11:34:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2251 states have (on average 1.3238560639715682) internal successors, (2980), 2313 states have internal predecessors, (2980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2980 transitions. [2021-11-06 11:34:16,490 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2980 transitions. Word has length 64 [2021-11-06 11:34:16,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:16,490 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 2980 transitions. [2021-11-06 11:34:16,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2980 transitions. [2021-11-06 11:34:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-06 11:34:16,493 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:16,493 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:16,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 11:34:16,494 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash 998964115, now seen corresponding path program 1 times [2021-11-06 11:34:16,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:16,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14841300] [2021-11-06 11:34:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:16,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:16,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:16,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14841300] [2021-11-06 11:34:16,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14841300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:16,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:16,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 11:34:16,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592126808] [2021-11-06 11:34:16,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 11:34:16,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:16,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 11:34:16,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:34:16,867 INFO L87 Difference]: Start difference. First operand 2314 states and 2980 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:20,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:20,152 INFO L93 Difference]: Finished difference Result 5247 states and 6724 transitions. [2021-11-06 11:34:20,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 11:34:20,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-06 11:34:20,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:20,164 INFO L225 Difference]: With dead ends: 5247 [2021-11-06 11:34:20,165 INFO L226 Difference]: Without dead ends: 2981 [2021-11-06 11:34:20,169 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-06 11:34:20,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2021-11-06 11:34:20,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2314. [2021-11-06 11:34:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2251 states have (on average 1.32252332296757) internal successors, (2977), 2313 states have internal predecessors, (2977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2977 transitions. [2021-11-06 11:34:20,235 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2977 transitions. Word has length 72 [2021-11-06 11:34:20,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:20,235 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 2977 transitions. [2021-11-06 11:34:20,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2977 transitions. [2021-11-06 11:34:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-06 11:34:20,237 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:20,238 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:20,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 11:34:20,238 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:20,239 INFO L85 PathProgramCache]: Analyzing trace with hash -984193973, now seen corresponding path program 1 times [2021-11-06 11:34:20,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:20,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659057566] [2021-11-06 11:34:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:20,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:20,404 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:20,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204308958] [2021-11-06 11:34:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:20,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:20,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:20,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:20,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 11:34:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:21,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 11:34:21,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:21,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:21,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:21,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659057566] [2021-11-06 11:34:21,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:21,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204308958] [2021-11-06 11:34:21,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204308958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:21,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:21,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 11:34:21,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478650551] [2021-11-06 11:34:21,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:34:21,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:21,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:34:21,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:21,908 INFO L87 Difference]: Start difference. First operand 2314 states and 2977 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:23,262 INFO L93 Difference]: Finished difference Result 5255 states and 6739 transitions. [2021-11-06 11:34:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 11:34:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-06 11:34:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:23,276 INFO L225 Difference]: With dead ends: 5255 [2021-11-06 11:34:23,276 INFO L226 Difference]: Without dead ends: 3020 [2021-11-06 11:34:23,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-06 11:34:23,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2021-11-06 11:34:23,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 2314. [2021-11-06 11:34:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2251 states have (on average 1.3211905819635716) internal successors, (2974), 2313 states have internal predecessors, (2974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2974 transitions. [2021-11-06 11:34:23,369 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2974 transitions. Word has length 88 [2021-11-06 11:34:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:23,369 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 2974 transitions. [2021-11-06 11:34:23,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2974 transitions. [2021-11-06 11:34:23,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 11:34:23,371 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:23,371 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:23,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:23,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:23,600 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:23,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:23,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1935115155, now seen corresponding path program 1 times [2021-11-06 11:34:23,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:23,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737509670] [2021-11-06 11:34:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:23,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:23,694 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:23,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673687068] [2021-11-06 11:34:23,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:23,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:23,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:23,697 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:23,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 11:34:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:24,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2842 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 11:34:24,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:24,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:24,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737509670] [2021-11-06 11:34:24,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:24,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673687068] [2021-11-06 11:34:24,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673687068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:24,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:24,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:34:24,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470106095] [2021-11-06 11:34:24,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:34:24,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:24,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:34:24,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:34:24,844 INFO L87 Difference]: Start difference. First operand 2314 states and 2974 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:25,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:25,353 INFO L93 Difference]: Finished difference Result 4597 states and 5908 transitions. [2021-11-06 11:34:25,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 11:34:25,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-11-06 11:34:25,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:25,363 INFO L225 Difference]: With dead ends: 4597 [2021-11-06 11:34:25,363 INFO L226 Difference]: Without dead ends: 2354 [2021-11-06 11:34:25,367 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:34:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2021-11-06 11:34:25,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2334. [2021-11-06 11:34:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2271 states have (on average 1.3183619550858652) internal successors, (2994), 2333 states have internal predecessors, (2994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 2994 transitions. [2021-11-06 11:34:25,442 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 2994 transitions. Word has length 112 [2021-11-06 11:34:25,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:25,444 INFO L470 AbstractCegarLoop]: Abstraction has 2334 states and 2994 transitions. [2021-11-06 11:34:25,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2994 transitions. [2021-11-06 11:34:25,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-06 11:34:25,448 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:25,448 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:25,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:25,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:25,672 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:25,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1660355541, now seen corresponding path program 1 times [2021-11-06 11:34:25,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:25,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098103869] [2021-11-06 11:34:25,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:25,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:25,766 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:25,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600931029] [2021-11-06 11:34:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:25,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:25,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:25,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 11:34:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:26,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 2837 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-06 11:34:26,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:27,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:27,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098103869] [2021-11-06 11:34:27,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:27,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600931029] [2021-11-06 11:34:27,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600931029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:27,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:27,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 11:34:27,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479764551] [2021-11-06 11:34:27,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 11:34:27,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:27,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 11:34:27,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-06 11:34:27,144 INFO L87 Difference]: Start difference. First operand 2334 states and 2994 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:30,399 INFO L93 Difference]: Finished difference Result 5311 states and 6797 transitions. [2021-11-06 11:34:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 11:34:30,399 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-11-06 11:34:30,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:30,409 INFO L225 Difference]: With dead ends: 5311 [2021-11-06 11:34:30,410 INFO L226 Difference]: Without dead ends: 3040 [2021-11-06 11:34:30,414 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-11-06 11:34:30,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3040 states. [2021-11-06 11:34:30,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3040 to 2334. [2021-11-06 11:34:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2271 states have (on average 1.3170409511228534) internal successors, (2991), 2333 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 2991 transitions. [2021-11-06 11:34:30,485 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 2991 transitions. Word has length 112 [2021-11-06 11:34:30,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:30,486 INFO L470 AbstractCegarLoop]: Abstraction has 2334 states and 2991 transitions. [2021-11-06 11:34:30,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2991 transitions. [2021-11-06 11:34:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-06 11:34:30,487 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:30,487 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:30,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:30,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:30,714 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash 485350515, now seen corresponding path program 1 times [2021-11-06 11:34:30,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:30,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313885432] [2021-11-06 11:34:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:30,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:30,794 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:30,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1074116876] [2021-11-06 11:34:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:30,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:30,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:30,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:30,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 11:34:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:31,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 3027 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-06 11:34:31,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:32,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:32,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313885432] [2021-11-06 11:34:32,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:32,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074116876] [2021-11-06 11:34:32,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074116876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:32,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:32,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 11:34:32,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819528303] [2021-11-06 11:34:32,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:34:32,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:32,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:34:32,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:32,369 INFO L87 Difference]: Start difference. First operand 2334 states and 2991 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:34,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:34,858 INFO L93 Difference]: Finished difference Result 4497 states and 5766 transitions. [2021-11-06 11:34:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 11:34:34,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-11-06 11:34:34,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:34,867 INFO L225 Difference]: With dead ends: 4497 [2021-11-06 11:34:34,868 INFO L226 Difference]: Without dead ends: 2334 [2021-11-06 11:34:34,871 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:34:34,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2021-11-06 11:34:34,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2334. [2021-11-06 11:34:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2271 states have (on average 1.3157199471598415) internal successors, (2988), 2333 states have internal predecessors, (2988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 2988 transitions. [2021-11-06 11:34:34,954 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 2988 transitions. Word has length 128 [2021-11-06 11:34:34,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:34,956 INFO L470 AbstractCegarLoop]: Abstraction has 2334 states and 2988 transitions. [2021-11-06 11:34:34,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2988 transitions. [2021-11-06 11:34:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-06 11:34:34,958 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:34,958 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:34,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:35,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:35,167 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:35,168 INFO L85 PathProgramCache]: Analyzing trace with hash -451771305, now seen corresponding path program 1 times [2021-11-06 11:34:35,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:35,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286570541] [2021-11-06 11:34:35,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:35,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:35,258 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:35,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767223666] [2021-11-06 11:34:35,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:35,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:35,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:35,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:35,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 11:34:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:36,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 3122 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-06 11:34:36,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:36,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:36,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286570541] [2021-11-06 11:34:36,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:36,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767223666] [2021-11-06 11:34:36,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767223666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:36,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:36,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-06 11:34:36,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009158408] [2021-11-06 11:34:36,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 11:34:36,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:36,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 11:34:36,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-06 11:34:36,797 INFO L87 Difference]: Start difference. First operand 2334 states and 2988 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:39,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:39,124 INFO L93 Difference]: Finished difference Result 4831 states and 6197 transitions. [2021-11-06 11:34:39,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-06 11:34:39,125 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2021-11-06 11:34:39,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:39,135 INFO L225 Difference]: With dead ends: 4831 [2021-11-06 11:34:39,135 INFO L226 Difference]: Without dead ends: 2692 [2021-11-06 11:34:39,138 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-11-06 11:34:39,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-11-06 11:34:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2334. [2021-11-06 11:34:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2271 states have (on average 1.3117569352708058) internal successors, (2979), 2333 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 2979 transitions. [2021-11-06 11:34:39,212 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 2979 transitions. Word has length 136 [2021-11-06 11:34:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:39,212 INFO L470 AbstractCegarLoop]: Abstraction has 2334 states and 2979 transitions. [2021-11-06 11:34:39,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 7 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2979 transitions. [2021-11-06 11:34:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-06 11:34:39,214 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:39,214 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:39,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:39,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:39,427 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash 957929247, now seen corresponding path program 1 times [2021-11-06 11:34:39,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:39,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564072327] [2021-11-06 11:34:39,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:39,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:39,512 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:39,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171005824] [2021-11-06 11:34:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:39,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:39,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:39,514 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:39,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 11:34:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:40,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 3312 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-06 11:34:40,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:41,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:41,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564072327] [2021-11-06 11:34:41,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:41,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171005824] [2021-11-06 11:34:41,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171005824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:41,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:41,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 11:34:41,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028900319] [2021-11-06 11:34:41,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:34:41,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:41,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:34:41,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:41,046 INFO L87 Difference]: Start difference. First operand 2334 states and 2979 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:41,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:41,555 INFO L93 Difference]: Finished difference Result 11262 states and 14389 transitions. [2021-11-06 11:34:41,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-06 11:34:41,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2021-11-06 11:34:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:41,600 INFO L225 Difference]: With dead ends: 11262 [2021-11-06 11:34:41,601 INFO L226 Difference]: Without dead ends: 9028 [2021-11-06 11:34:41,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-06 11:34:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2021-11-06 11:34:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 2344. [2021-11-06 11:34:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2344 states, 2281 states have (on average 1.310828583954406) internal successors, (2990), 2343 states have internal predecessors, (2990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 2990 transitions. [2021-11-06 11:34:41,759 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 2990 transitions. Word has length 152 [2021-11-06 11:34:41,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:41,759 INFO L470 AbstractCegarLoop]: Abstraction has 2344 states and 2990 transitions. [2021-11-06 11:34:41,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2990 transitions. [2021-11-06 11:34:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-06 11:34:41,763 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:41,763 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:41,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:41,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:41,982 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:41,983 INFO L85 PathProgramCache]: Analyzing trace with hash -36764451, now seen corresponding path program 1 times [2021-11-06 11:34:41,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:41,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449965188] [2021-11-06 11:34:41,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:41,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:42,090 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:42,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701581033] [2021-11-06 11:34:42,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:42,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:42,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:42,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:42,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 11:34:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:43,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-06 11:34:43,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:44,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:44,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449965188] [2021-11-06 11:34:44,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:44,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701581033] [2021-11-06 11:34:44,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701581033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:44,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:44,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 11:34:44,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396655161] [2021-11-06 11:34:44,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:34:44,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:44,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:34:44,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:44,091 INFO L87 Difference]: Start difference. First operand 2344 states and 2990 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:44,492 INFO L93 Difference]: Finished difference Result 6760 states and 8632 transitions. [2021-11-06 11:34:44,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 11:34:44,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2021-11-06 11:34:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:44,503 INFO L225 Difference]: With dead ends: 6760 [2021-11-06 11:34:44,503 INFO L226 Difference]: Without dead ends: 4581 [2021-11-06 11:34:44,509 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:34:44,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2021-11-06 11:34:44,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 2399. [2021-11-06 11:34:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2399 states, 2336 states have (on average 1.3099315068493151) internal successors, (3060), 2398 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2399 states and 3060 transitions. [2021-11-06 11:34:44,683 INFO L78 Accepts]: Start accepts. Automaton has 2399 states and 3060 transitions. Word has length 152 [2021-11-06 11:34:44,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:44,684 INFO L470 AbstractCegarLoop]: Abstraction has 2399 states and 3060 transitions. [2021-11-06 11:34:44,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 3060 transitions. [2021-11-06 11:34:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-06 11:34:44,686 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:44,686 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:44,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:44,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:44,900 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1902397595, now seen corresponding path program 1 times [2021-11-06 11:34:44,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:44,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322986610] [2021-11-06 11:34:44,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:44,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:45,006 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:45,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019108003] [2021-11-06 11:34:45,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:45,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:45,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:45,008 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:45,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 11:34:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:46,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 3306 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-06 11:34:46,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:46,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:46,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322986610] [2021-11-06 11:34:46,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:46,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019108003] [2021-11-06 11:34:46,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019108003] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:46,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:46,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 11:34:46,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089232404] [2021-11-06 11:34:46,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:34:46,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:46,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:34:46,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:46,663 INFO L87 Difference]: Start difference. First operand 2399 states and 3060 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:47,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:47,001 INFO L93 Difference]: Finished difference Result 6740 states and 8606 transitions. [2021-11-06 11:34:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 11:34:47,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2021-11-06 11:34:47,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:47,009 INFO L225 Difference]: With dead ends: 6740 [2021-11-06 11:34:47,009 INFO L226 Difference]: Without dead ends: 4581 [2021-11-06 11:34:47,014 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:34:47,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2021-11-06 11:34:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 2419. [2021-11-06 11:34:47,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2419 states, 2356 states have (on average 1.3089983022071308) internal successors, (3084), 2418 states have internal predecessors, (3084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3084 transitions. [2021-11-06 11:34:47,196 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3084 transitions. Word has length 152 [2021-11-06 11:34:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:47,196 INFO L470 AbstractCegarLoop]: Abstraction has 2419 states and 3084 transitions. [2021-11-06 11:34:47,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3084 transitions. [2021-11-06 11:34:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-06 11:34:47,199 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:47,199 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:47,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:47,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-06 11:34:47,416 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -2117810087, now seen corresponding path program 1 times [2021-11-06 11:34:47,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:47,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736345738] [2021-11-06 11:34:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:47,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:47,502 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:47,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149623470] [2021-11-06 11:34:47,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:47,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:47,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:47,504 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:47,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-06 11:34:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:48,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 3303 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-06 11:34:48,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:49,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:49,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736345738] [2021-11-06 11:34:49,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:49,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149623470] [2021-11-06 11:34:49,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149623470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:49,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:49,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:34:49,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428621732] [2021-11-06 11:34:49,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:34:49,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:49,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:34:49,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:34:49,153 INFO L87 Difference]: Start difference. First operand 2419 states and 3084 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:50,124 INFO L93 Difference]: Finished difference Result 4598 states and 5867 transitions. [2021-11-06 11:34:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 11:34:50,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2021-11-06 11:34:50,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:50,129 INFO L225 Difference]: With dead ends: 4598 [2021-11-06 11:34:50,129 INFO L226 Difference]: Without dead ends: 2354 [2021-11-06 11:34:50,133 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:34:50,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2021-11-06 11:34:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2354. [2021-11-06 11:34:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 2291 states have (on average 1.3099083369707551) internal successors, (3001), 2353 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3001 transitions. [2021-11-06 11:34:50,322 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3001 transitions. Word has length 152 [2021-11-06 11:34:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:50,323 INFO L470 AbstractCegarLoop]: Abstraction has 2354 states and 3001 transitions. [2021-11-06 11:34:50,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3001 transitions. [2021-11-06 11:34:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-06 11:34:50,325 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:50,325 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:50,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-06 11:34:50,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:50,547 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:50,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:50,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1484791415, now seen corresponding path program 1 times [2021-11-06 11:34:50,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:50,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244308253] [2021-11-06 11:34:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:50,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:50,628 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:50,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860964951] [2021-11-06 11:34:50,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:50,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:50,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:50,630 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:50,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-06 11:34:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:51,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 3334 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-06 11:34:51,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:52,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:52,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244308253] [2021-11-06 11:34:52,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:52,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860964951] [2021-11-06 11:34:52,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860964951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:52,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:52,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 11:34:52,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560301120] [2021-11-06 11:34:52,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 11:34:52,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:52,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 11:34:52,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:34:52,253 INFO L87 Difference]: Start difference. First operand 2354 states and 3001 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:53,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:34:53,011 INFO L93 Difference]: Finished difference Result 6753 states and 8589 transitions. [2021-11-06 11:34:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 11:34:53,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-11-06 11:34:53,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:34:53,018 INFO L225 Difference]: With dead ends: 6753 [2021-11-06 11:34:53,019 INFO L226 Difference]: Without dead ends: 4479 [2021-11-06 11:34:53,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:53,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4479 states. [2021-11-06 11:34:53,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4479 to 2434. [2021-11-06 11:34:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2371 states have (on average 1.3078869675242513) internal successors, (3101), 2433 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3101 transitions. [2021-11-06 11:34:53,178 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3101 transitions. Word has length 155 [2021-11-06 11:34:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:34:53,179 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 3101 transitions. [2021-11-06 11:34:53,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:34:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3101 transitions. [2021-11-06 11:34:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-06 11:34:53,181 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:34:53,181 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:34:53,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-06 11:34:53,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-06 11:34:53,396 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:34:53,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:34:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1162812939, now seen corresponding path program 1 times [2021-11-06 11:34:53,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:34:53,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110089000] [2021-11-06 11:34:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:53,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:34:53,473 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:34:53,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294597429] [2021-11-06 11:34:53,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:34:53,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:34:53,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:34:53,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:34:53,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-06 11:34:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:34:54,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 3339 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-06 11:34:54,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:34:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:34:55,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:34:55,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110089000] [2021-11-06 11:34:55,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:34:55,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294597429] [2021-11-06 11:34:55,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294597429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:34:55,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:34:55,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-06 11:34:55,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904460707] [2021-11-06 11:34:55,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 11:34:55,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:34:55,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 11:34:55,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-06 11:34:55,492 INFO L87 Difference]: Start difference. First operand 2434 states and 3101 transitions. Second operand has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:15,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:35:15,377 INFO L93 Difference]: Finished difference Result 6811 states and 8651 transitions. [2021-11-06 11:35:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-06 11:35:15,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-11-06 11:35:15,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:35:15,390 INFO L225 Difference]: With dead ends: 6811 [2021-11-06 11:35:15,391 INFO L226 Difference]: Without dead ends: 4456 [2021-11-06 11:35:15,395 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-06 11:35:15,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2021-11-06 11:35:15,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 2474. [2021-11-06 11:35:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2474 states, 2411 states have (on average 1.3069265864786395) internal successors, (3151), 2473 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3151 transitions. [2021-11-06 11:35:15,535 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3151 transitions. Word has length 155 [2021-11-06 11:35:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:35:15,535 INFO L470 AbstractCegarLoop]: Abstraction has 2474 states and 3151 transitions. [2021-11-06 11:35:15,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3151 transitions. [2021-11-06 11:35:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-06 11:35:15,537 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:35:15,537 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:35:15,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-06 11:35:15,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-06 11:35:15,761 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:35:15,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:35:15,762 INFO L85 PathProgramCache]: Analyzing trace with hash -48290695, now seen corresponding path program 1 times [2021-11-06 11:35:15,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:35:15,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434981074] [2021-11-06 11:35:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:35:15,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:35:15,840 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:35:15,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45022938] [2021-11-06 11:35:15,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:35:15,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:35:15,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:35:15,841 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:35:15,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-06 11:35:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:35:17,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 3331 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-06 11:35:17,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:35:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:35:18,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:35:18,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434981074] [2021-11-06 11:35:18,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:35:18,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45022938] [2021-11-06 11:35:18,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45022938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:35:18,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:35:18,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-06 11:35:18,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036657163] [2021-11-06 11:35:18,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-06 11:35:18,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:35:18,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-06 11:35:18,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-06 11:35:18,523 INFO L87 Difference]: Start difference. First operand 2474 states and 3151 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:41,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:35:41,426 INFO L93 Difference]: Finished difference Result 12235 states and 15430 transitions. [2021-11-06 11:35:41,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-06 11:35:41,426 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-11-06 11:35:41,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:35:41,440 INFO L225 Difference]: With dead ends: 12235 [2021-11-06 11:35:41,440 INFO L226 Difference]: Without dead ends: 9853 [2021-11-06 11:35:41,446 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=369, Invalid=1353, Unknown=0, NotChecked=0, Total=1722 [2021-11-06 11:35:41,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9853 states. [2021-11-06 11:35:41,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9853 to 2507. [2021-11-06 11:35:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 2444 states have (on average 1.3076923076923077) internal successors, (3196), 2506 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3196 transitions. [2021-11-06 11:35:41,621 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3196 transitions. Word has length 155 [2021-11-06 11:35:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:35:41,621 INFO L470 AbstractCegarLoop]: Abstraction has 2507 states and 3196 transitions. [2021-11-06 11:35:41,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 13 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3196 transitions. [2021-11-06 11:35:41,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-06 11:35:41,623 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:35:41,623 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:35:41,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-06 11:35:41,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-06 11:35:41,840 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:35:41,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:35:41,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1188047161, now seen corresponding path program 1 times [2021-11-06 11:35:41,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:35:41,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355767579] [2021-11-06 11:35:41,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:35:41,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:35:41,914 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:35:41,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702505211] [2021-11-06 11:35:41,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:35:41,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:35:41,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:35:41,916 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:35:41,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-06 11:35:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:35:43,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 3321 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 11:35:43,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:35:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:35:43,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:35:43,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355767579] [2021-11-06 11:35:43,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:35:43,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702505211] [2021-11-06 11:35:43,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702505211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:35:43,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:35:43,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:35:43,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378668009] [2021-11-06 11:35:43,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:35:43,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:35:43,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:35:43,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:35:43,628 INFO L87 Difference]: Start difference. First operand 2507 states and 3196 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:47,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:35:47,545 INFO L93 Difference]: Finished difference Result 5426 states and 6977 transitions. [2021-11-06 11:35:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 11:35:47,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-11-06 11:35:47,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:35:47,550 INFO L225 Difference]: With dead ends: 5426 [2021-11-06 11:35:47,550 INFO L226 Difference]: Without dead ends: 2966 [2021-11-06 11:35:47,554 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:35:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2966 states. [2021-11-06 11:35:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2966 to 2687. [2021-11-06 11:35:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2687 states, 2624 states have (on average 1.2854420731707317) internal successors, (3373), 2686 states have internal predecessors, (3373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2687 states and 3373 transitions. [2021-11-06 11:35:47,675 INFO L78 Accepts]: Start accepts. Automaton has 2687 states and 3373 transitions. Word has length 155 [2021-11-06 11:35:47,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:35:47,675 INFO L470 AbstractCegarLoop]: Abstraction has 2687 states and 3373 transitions. [2021-11-06 11:35:47,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:35:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3373 transitions. [2021-11-06 11:35:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-06 11:35:47,677 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:35:47,677 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:35:47,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-06 11:35:47,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-06 11:35:47,892 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:35:47,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:35:47,892 INFO L85 PathProgramCache]: Analyzing trace with hash 708247065, now seen corresponding path program 1 times [2021-11-06 11:35:47,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:35:47,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703602582] [2021-11-06 11:35:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:35:47,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:35:47,960 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:35:47,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2053138850] [2021-11-06 11:35:47,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:35:47,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:35:47,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:35:47,962 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:35:47,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-06 11:35:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:35:50,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 149 conjunts are in the unsatisfiable core [2021-11-06 11:35:50,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:35:50,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 11:35:50,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:50,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-06 11:35:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:50,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-06 11:35:51,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:51,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-06 11:35:51,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:51,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-06 11:35:51,340 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-06 11:35:51,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-06 11:35:51,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:51,560 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-11-06 11:35:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 58 [2021-11-06 11:35:51,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:51,605 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-11-06 11:35:51,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 43 [2021-11-06 11:35:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:52,404 INFO L354 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2021-11-06 11:35:52,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-06 11:35:52,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:35:52,439 INFO L354 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2021-11-06 11:35:52,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2021-11-06 11:35:52,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-06 11:35:52,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-11-06 11:35:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:35:53,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:35:53,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703602582] [2021-11-06 11:35:53,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:35:53,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053138850] [2021-11-06 11:35:53,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053138850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:35:53,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:35:53,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-06 11:35:53,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677786160] [2021-11-06 11:35:53,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-06 11:35:53,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:35:53,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-06 11:35:53,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-11-06 11:35:53,173 INFO L87 Difference]: Start difference. First operand 2687 states and 3373 transitions. Second operand has 18 states, 18 states have (on average 8.833333333333334) internal successors, (159), 18 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:36:18,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:36:18,023 INFO L93 Difference]: Finished difference Result 5471 states and 6866 transitions. [2021-11-06 11:36:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-06 11:36:18,023 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.833333333333334) internal successors, (159), 18 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-11-06 11:36:18,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:36:18,026 INFO L225 Difference]: With dead ends: 5471 [2021-11-06 11:36:18,026 INFO L226 Difference]: Without dead ends: 2857 [2021-11-06 11:36:18,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-11-06 11:36:18,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2021-11-06 11:36:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 2717. [2021-11-06 11:36:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2654 states have (on average 1.284476262245667) internal successors, (3409), 2716 states have internal predecessors, (3409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:36:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3409 transitions. [2021-11-06 11:36:18,136 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3409 transitions. Word has length 159 [2021-11-06 11:36:18,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:36:18,137 INFO L470 AbstractCegarLoop]: Abstraction has 2717 states and 3409 transitions. [2021-11-06 11:36:18,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.833333333333334) internal successors, (159), 18 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:36:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3409 transitions. [2021-11-06 11:36:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-06 11:36:18,138 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:36:18,139 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:36:18,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-06 11:36:18,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:36:18,368 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:36:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:36:18,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1342161833, now seen corresponding path program 1 times [2021-11-06 11:36:18,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:36:18,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491102801] [2021-11-06 11:36:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:36:18,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:36:18,466 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:36:18,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394255883] [2021-11-06 11:36:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:36:18,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:36:18,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:36:18,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:36:18,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-06 11:36:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:36:19,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 11:36:19,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:36:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:36:20,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:36:20,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491102801] [2021-11-06 11:36:20,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:36:20,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394255883] [2021-11-06 11:36:20,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394255883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:36:20,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:36:20,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 11:36:20,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325208534] [2021-11-06 11:36:20,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 11:36:20,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:36:20,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 11:36:20,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:36:20,457 INFO L87 Difference]: Start difference. First operand 2717 states and 3409 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:36:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:36:39,968 INFO L93 Difference]: Finished difference Result 6873 states and 8558 transitions. [2021-11-06 11:36:39,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 11:36:39,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-11-06 11:36:39,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:36:39,976 INFO L225 Difference]: With dead ends: 6873 [2021-11-06 11:36:39,976 INFO L226 Difference]: Without dead ends: 4220 [2021-11-06 11:36:39,979 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 11:36:39,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4220 states. [2021-11-06 11:36:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4220 to 2811. [2021-11-06 11:36:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2748 states have (on average 1.274745269286754) internal successors, (3503), 2810 states have internal predecessors, (3503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:36:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3503 transitions. [2021-11-06 11:36:40,186 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3503 transitions. Word has length 159 [2021-11-06 11:36:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:36:40,187 INFO L470 AbstractCegarLoop]: Abstraction has 2811 states and 3503 transitions. [2021-11-06 11:36:40,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 5 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:36:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3503 transitions. [2021-11-06 11:36:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-06 11:36:40,188 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:36:40,188 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:36:40,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-06 11:36:40,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-06 11:36:40,404 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:36:40,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:36:40,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1670633177, now seen corresponding path program 1 times [2021-11-06 11:36:40,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:36:40,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099642710] [2021-11-06 11:36:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:36:40,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:36:40,491 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:36:40,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737739728] [2021-11-06 11:36:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:36:40,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:36:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:36:40,492 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:36:40,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-06 11:36:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:36:42,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 126 conjunts are in the unsatisfiable core [2021-11-06 11:36:42,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:36:42,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 11:36:43,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:36:43,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-06 11:36:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:36:43,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-06 11:36:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:36:43,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-06 11:36:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:36:43,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-06 11:36:43,540 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-06 11:36:43,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-06 11:36:43,759 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-11-06 11:36:43,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 54 [2021-11-06 11:36:43,826 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-11-06 11:36:43,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 39 [2021-11-06 11:36:44,496 INFO L354 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2021-11-06 11:36:44,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 54 [2021-11-06 11:36:44,539 INFO L354 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2021-11-06 11:36:44,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 43 [2021-11-06 11:36:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:36:45,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:36:45,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099642710] [2021-11-06 11:36:45,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:36:45,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737739728] [2021-11-06 11:36:45,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737739728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:36:45,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:36:45,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-06 11:36:45,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999546284] [2021-11-06 11:36:45,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-06 11:36:45,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:36:45,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-06 11:36:45,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2021-11-06 11:36:45,529 INFO L87 Difference]: Start difference. First operand 2811 states and 3503 transitions. Second operand has 20 states, 20 states have (on average 7.95) internal successors, (159), 20 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:37:22,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:37:22,126 INFO L93 Difference]: Finished difference Result 6656 states and 8218 transitions. [2021-11-06 11:37:22,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-06 11:37:22,127 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.95) internal successors, (159), 20 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-11-06 11:37:22,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:37:22,131 INFO L225 Difference]: With dead ends: 6656 [2021-11-06 11:37:22,131 INFO L226 Difference]: Without dead ends: 3962 [2021-11-06 11:37:22,134 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=256, Invalid=1466, Unknown=0, NotChecked=0, Total=1722 [2021-11-06 11:37:22,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2021-11-06 11:37:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 2832. [2021-11-06 11:37:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2769 states have (on average 1.2726616106897797) internal successors, (3524), 2831 states have internal predecessors, (3524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:37:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3524 transitions. [2021-11-06 11:37:22,305 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3524 transitions. Word has length 159 [2021-11-06 11:37:22,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:37:22,306 INFO L470 AbstractCegarLoop]: Abstraction has 2832 states and 3524 transitions. [2021-11-06 11:37:22,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.95) internal successors, (159), 20 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:37:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3524 transitions. [2021-11-06 11:37:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-06 11:37:22,307 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:37:22,307 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:37:22,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-06 11:37:22,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:37:22,524 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:37:22,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:37:22,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1990545623, now seen corresponding path program 1 times [2021-11-06 11:37:22,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:37:22,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837124133] [2021-11-06 11:37:22,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:37:22,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:37:22,607 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:37:22,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798521203] [2021-11-06 11:37:22,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:37:22,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:37:22,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:37:22,609 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:37:22,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-06 11:37:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:37:23,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 3346 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 11:37:24,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:37:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:37:24,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:37:24,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837124133] [2021-11-06 11:37:24,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:37:24,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798521203] [2021-11-06 11:37:24,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798521203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:37:24,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:37:24,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 11:37:24,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359546254] [2021-11-06 11:37:24,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 11:37:24,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:37:24,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 11:37:24,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 11:37:24,558 INFO L87 Difference]: Start difference. First operand 2832 states and 3524 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:37:25,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:37:25,120 INFO L93 Difference]: Finished difference Result 5510 states and 6848 transitions. [2021-11-06 11:37:25,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 11:37:25,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-11-06 11:37:25,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:37:25,124 INFO L225 Difference]: With dead ends: 5510 [2021-11-06 11:37:25,124 INFO L226 Difference]: Without dead ends: 2802 [2021-11-06 11:37:25,127 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 11:37:25,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2802 states. [2021-11-06 11:37:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2802 to 2786. [2021-11-06 11:37:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 2723 states have (on average 1.2651487330150568) internal successors, (3445), 2785 states have internal predecessors, (3445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:37:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3445 transitions. [2021-11-06 11:37:25,325 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3445 transitions. Word has length 159 [2021-11-06 11:37:25,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:37:25,326 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3445 transitions. [2021-11-06 11:37:25,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:37:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3445 transitions. [2021-11-06 11:37:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-06 11:37:25,326 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:37:25,327 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:37:25,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-06 11:37:25,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:37:25,527 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:37:25,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:37:25,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1787039805, now seen corresponding path program 1 times [2021-11-06 11:37:25,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:37:25,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213122158] [2021-11-06 11:37:25,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:37:25,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:37:25,603 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:37:25,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312265849] [2021-11-06 11:37:25,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:37:25,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:37:25,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:37:25,605 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:37:25,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-06 11:37:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:37:28,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 3363 conjuncts, 166 conjunts are in the unsatisfiable core [2021-11-06 11:37:28,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:37:30,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2021-11-06 11:37:30,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2021-11-06 11:37:30,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-06 11:37:30,888 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-06 11:37:30,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-06 11:37:31,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-11-06 11:37:31,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-06 11:37:31,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-11-06 11:37:31,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-06 11:37:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:37:32,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:37:32,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213122158] [2021-11-06 11:37:32,387 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:37:32,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312265849] [2021-11-06 11:37:32,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312265849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:37:32,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:37:32,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-06 11:37:32,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479897111] [2021-11-06 11:37:32,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-06 11:37:32,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:37:32,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-06 11:37:32,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2021-11-06 11:37:32,388 INFO L87 Difference]: Start difference. First operand 2786 states and 3445 transitions. Second operand has 22 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 22 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:38:43,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:38:43,015 INFO L93 Difference]: Finished difference Result 12094 states and 14875 transitions. [2021-11-06 11:38:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-06 11:38:43,018 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 22 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 160 [2021-11-06 11:38:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:38:43,031 INFO L225 Difference]: With dead ends: 12094 [2021-11-06 11:38:43,032 INFO L226 Difference]: Without dead ends: 9509 [2021-11-06 11:38:43,036 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=616, Invalid=2354, Unknown=0, NotChecked=0, Total=2970 [2021-11-06 11:38:43,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9509 states. [2021-11-06 11:38:43,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9509 to 6778. [2021-11-06 11:38:43,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6778 states, 6715 states have (on average 1.2707371556217424) internal successors, (8533), 6777 states have internal predecessors, (8533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:38:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6778 states to 6778 states and 8533 transitions. [2021-11-06 11:38:43,407 INFO L78 Accepts]: Start accepts. Automaton has 6778 states and 8533 transitions. Word has length 160 [2021-11-06 11:38:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:38:43,407 INFO L470 AbstractCegarLoop]: Abstraction has 6778 states and 8533 transitions. [2021-11-06 11:38:43,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 22 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:38:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 6778 states and 8533 transitions. [2021-11-06 11:38:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-06 11:38:43,409 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:38:43,409 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:38:43,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-11-06 11:38:43,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:38:43,610 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:38:43,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:38:43,611 INFO L85 PathProgramCache]: Analyzing trace with hash 380601358, now seen corresponding path program 1 times [2021-11-06 11:38:43,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:38:43,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164919551] [2021-11-06 11:38:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:38:43,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:38:43,692 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:38:43,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750036411] [2021-11-06 11:38:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:38:43,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:38:43,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:38:43,693 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:38:43,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-06 11:45:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:45:28,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 102 conjunts are in the unsatisfiable core [2021-11-06 11:45:28,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:45:29,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 11:45:29,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 55 [2021-11-06 11:45:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:45:31,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:45:31,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164919551] [2021-11-06 11:45:31,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:45:31,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750036411] [2021-11-06 11:45:31,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750036411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:45:31,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:45:31,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-06 11:45:31,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231190591] [2021-11-06 11:45:31,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-06 11:45:31,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:45:31,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-06 11:45:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-11-06 11:45:31,838 INFO L87 Difference]: Start difference. First operand 6778 states and 8533 transitions. Second operand has 16 states, 16 states have (on average 10.0625) internal successors, (161), 16 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:46:16,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:46:16,384 INFO L93 Difference]: Finished difference Result 24290 states and 30165 transitions. [2021-11-06 11:46:16,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-06 11:46:16,389 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.0625) internal successors, (161), 16 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-11-06 11:46:16,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:46:16,418 INFO L225 Difference]: With dead ends: 24290 [2021-11-06 11:46:16,418 INFO L226 Difference]: Without dead ends: 17662 [2021-11-06 11:46:16,429 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=682, Invalid=2180, Unknown=0, NotChecked=0, Total=2862 [2021-11-06 11:46:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17662 states. [2021-11-06 11:46:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17662 to 6790. [2021-11-06 11:46:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 6727 states have (on average 1.2702541994945742) internal successors, (8545), 6789 states have internal predecessors, (8545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:46:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 8545 transitions. [2021-11-06 11:46:16,896 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 8545 transitions. Word has length 161 [2021-11-06 11:46:16,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:46:16,897 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 8545 transitions. [2021-11-06 11:46:16,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.0625) internal successors, (161), 16 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:46:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 8545 transitions. [2021-11-06 11:46:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-06 11:46:16,899 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:46:16,899 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:46:17,127 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forcibly destroying the process [2021-11-06 11:46:17,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 137 [2021-11-06 11:46:17,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:46:17,189 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:46:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:46:17,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1192089338, now seen corresponding path program 1 times [2021-11-06 11:46:17,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:46:17,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747376875] [2021-11-06 11:46:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:46:17,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:46:17,266 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:46:17,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083148743] [2021-11-06 11:46:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:46:17,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:46:17,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:46:17,268 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:46:17,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-06 11:46:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:46:18,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 3388 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-06 11:46:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:46:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 11:46:19,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:46:19,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747376875] [2021-11-06 11:46:19,623 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:46:19,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083148743] [2021-11-06 11:46:19,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083148743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 11:46:19,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:46:19,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-06 11:46:19,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208563975] [2021-11-06 11:46:19,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 11:46:19,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 11:46:19,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 11:46:19,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-06 11:46:19,625 INFO L87 Difference]: Start difference. First operand 6790 states and 8545 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:46:23,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 11:46:23,708 INFO L93 Difference]: Finished difference Result 19079 states and 23987 transitions. [2021-11-06 11:46:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-06 11:46:23,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-11-06 11:46:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 11:46:23,727 INFO L225 Difference]: With dead ends: 19079 [2021-11-06 11:46:23,727 INFO L226 Difference]: Without dead ends: 12376 [2021-11-06 11:46:23,738 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-11-06 11:46:23,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12376 states. [2021-11-06 11:46:24,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12376 to 6210. [2021-11-06 11:46:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6210 states, 6147 states have (on average 1.2672848544005206) internal successors, (7790), 6209 states have internal predecessors, (7790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:46:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6210 states to 6210 states and 7790 transitions. [2021-11-06 11:46:24,161 INFO L78 Accepts]: Start accepts. Automaton has 6210 states and 7790 transitions. Word has length 161 [2021-11-06 11:46:24,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 11:46:24,161 INFO L470 AbstractCegarLoop]: Abstraction has 6210 states and 7790 transitions. [2021-11-06 11:46:24,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 11:46:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 6210 states and 7790 transitions. [2021-11-06 11:46:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-06 11:46:24,163 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 11:46:24,164 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 11:46:24,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-06 11:46:24,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-06 11:46:24,379 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 60 more)] === [2021-11-06 11:46:24,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 11:46:24,380 INFO L85 PathProgramCache]: Analyzing trace with hash -841556905, now seen corresponding path program 1 times [2021-11-06 11:46:24,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 11:46:24,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202174762] [2021-11-06 11:46:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:46:24,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 11:46:24,462 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 11:46:24,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052610204] [2021-11-06 11:46:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 11:46:24,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 11:46:24,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:46:24,464 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 11:46:24,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-06 11:46:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 11:46:27,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 156 conjunts are in the unsatisfiable core [2021-11-06 11:46:27,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 11:46:27,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 11:46:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:28,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-06 11:46:29,292 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-06 11:46:29,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-06 11:46:29,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:29,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:29,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:29,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2021-11-06 11:46:29,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:29,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:29,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:29,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 30 [2021-11-06 11:46:30,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:30,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:30,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:30,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2021-11-06 11:46:30,626 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-06 11:46:30,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2021-11-06 11:46:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 11:46:30,857 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-06 11:46:30,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 43 [2021-11-06 11:46:38,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 11:46:38,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202174762] [2021-11-06 11:46:38,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 11:46:38,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052610204] [2021-11-06 11:46:38,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [ULTIMATE.start_aws_mul_u64_checked_~r.base, ULTIMATE.start_aws_mul_u64_checked_~r.offset] [2021-11-06 11:46:38,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-06 11:46:38,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-06 11:46:38,278 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-11-06 11:46:38,278 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-06 11:46:38,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,288 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,289 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,290 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,291 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,292 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,293 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,294 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,295 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,296 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,297 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION [2021-11-06 11:46:38,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-06 11:46:38,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-06 11:46:38,510 INFO L731 BasicCegarLoop]: Path program 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] [2021-11-06 11:46:38,512 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-06 11:46:38,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:46:38 BoogieIcfgContainer [2021-11-06 11:46:38,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-06 11:46:38,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-06 11:46:38,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-06 11:46:38,558 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-06 11:46:38,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:34:14" (3/4) ... [2021-11-06 11:46:38,562 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-06 11:46:38,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-06 11:46:38,563 INFO L168 Benchmark]: Toolchain (without parser) took 764780.70 ms. Allocated memory was 113.2 MB in the beginning and 929.0 MB in the end (delta: 815.8 MB). Free memory was 71.6 MB in the beginning and 584.5 MB in the end (delta: -513.0 MB). Peak memory consumption was 302.6 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,564 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 113.2 MB. Free memory was 84.7 MB in the beginning and 84.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-06 11:46:38,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1995.75 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 51.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 422.64 ms. Allocated memory is still 136.3 MB. Free memory was 51.4 MB in the beginning and 54.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,564 INFO L168 Benchmark]: Boogie Preprocessor took 449.19 ms. Allocated memory was 136.3 MB in the beginning and 222.3 MB in the end (delta: 86.0 MB). Free memory was 54.7 MB in the beginning and 111.5 MB in the end (delta: -56.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,565 INFO L168 Benchmark]: RCFGBuilder took 18029.45 ms. Allocated memory was 222.3 MB in the beginning and 526.4 MB in the end (delta: 304.1 MB). Free memory was 111.5 MB in the beginning and 270.5 MB in the end (delta: -159.0 MB). Peak memory consumption was 315.9 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,565 INFO L168 Benchmark]: TraceAbstraction took 743870.58 ms. Allocated memory was 526.4 MB in the beginning and 929.0 MB in the end (delta: 402.7 MB). Free memory was 269.4 MB in the beginning and 585.6 MB in the end (delta: -316.2 MB). Peak memory consumption was 86.5 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,565 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 929.0 MB. Free memory was 585.6 MB in the beginning and 584.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-06 11:46:38,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 113.2 MB. Free memory was 84.7 MB in the beginning and 84.7 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1995.75 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 51.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 422.64 ms. Allocated memory is still 136.3 MB. Free memory was 51.4 MB in the beginning and 54.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 449.19 ms. Allocated memory was 136.3 MB in the beginning and 222.3 MB in the end (delta: 86.0 MB). Free memory was 54.7 MB in the beginning and 111.5 MB in the end (delta: -56.8 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 18029.45 ms. Allocated memory was 222.3 MB in the beginning and 526.4 MB in the end (delta: 304.1 MB). Free memory was 111.5 MB in the beginning and 270.5 MB in the end (delta: -159.0 MB). Peak memory consumption was 315.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 743870.58 ms. Allocated memory was 526.4 MB in the beginning and 929.0 MB in the end (delta: 402.7 MB). Free memory was 269.4 MB in the beginning and 585.6 MB in the end (delta: -316.2 MB). Peak memory consumption was 86.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.23 ms. Allocated memory is still 929.0 MB. Free memory was 585.6 MB in the beginning and 584.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 7788. Possible FailurePath: [L6915-L6920] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7360] static __thread int tl_last_error = 0; [L7787-L7935] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L7938-L7941] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L7943-L7952] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L7954-L7957] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L7959-L7963] static _Bool s_common_library_initialized = 0 ; [L8450] struct aws_priority_queue queue; [L6735] EXPR list->item_size [L6734-L6735] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L6738] EXPR list->length [L6737-L6738] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L6739] return item_size_is_bounded && length_is_bounded; [L6789-L6791] _Bool container_is_bounded = aws_array_list_is_bounded(&queue->container, max_initial_item_allocation, max_item_size); [L6735] EXPR list->item_size [L6734-L6735] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L6738] EXPR list->length [L6737-L6738] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L6739] return item_size_is_bounded && length_is_bounded; [L6797-L6799] _Bool backpointers_list_is_bounded = aws_array_list_is_bounded( &queue->backpointers, max_initial_item_allocation, sizeof(struct aws_priority_queue_node *)); [L6800] return container_is_bounded && backpointers_list_is_bounded; [L211] COND FALSE !(!cond) [L6743] EXPR list->current_size [L6743] list->current_size == 0 && list->length == 0 [L6743] EXPR list->length [L6743] list->current_size == 0 && list->length == 0 [L6743] COND TRUE list->current_size == 0 && list->length == 0 [L6744] list->data [L211] COND FALSE !(!cond) [L6939] return &s_can_fail_allocator_static; [L6747] list->alloc = can_fail_allocator() [L6743] EXPR list->current_size [L6743] list->current_size == 0 && list->length == 0 [L6743] EXPR list->length [L6743] list->current_size == 0 && list->length == 0 [L6743] COND FALSE !(list->current_size == 0 && list->length == 0) [L6749] EXPR list->current_size [L211] COND FALSE !(!cond) [L6935] return malloc(size); [L6749] list->data = bounded_malloc(list->current_size) [L261] return __VERIFIER_nondet_bool(); [L6750-L6752] EXPR nondet_bool() ? ((void *)0) : can_fail_allocator() [L6750-L6752] list->alloc = nondet_bool() ? ((void *)0) : can_fail_allocator() [L6806] queue->pred = nondet_compare [L8279] COND FALSE !(!queue) [L8286] EXPR queue->pred [L8285-L8288] _Bool pred_is_valid = (queue->pred != ((void *)0) ); [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8290-L8291] _Bool container_is_valid = aws_array_list_is_valid(&queue->container); [L8220] COND FALSE !(!queue) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2957] EXPR list->current_size [L2957] EXPR (((list->current_size)) == 0) || ((list->data)) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8230] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8230] EXPR queue->backpointers.current_size [L8230] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8230-L8233] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8231] EXPR queue->backpointers.data [L8230-L8233] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8228-L8233] _Bool backpointer_list_is_valid = ((aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ))); [L8241] EXPR queue->backpointers.item_size [L8240-L8241] _Bool backpointer_list_item_size = queue->backpointers.item_size == sizeof(struct aws_priority_queue_node *); [L8244] EXPR queue->backpointers.length [L8244] EXPR queue->container.length [L8243-L8244] _Bool lists_equal_lengths = queue->backpointers.length == queue->container.length; [L8247] EXPR queue->backpointers.current_size [L8246-L8247] _Bool backpointers_non_zero_current_size = queue->backpointers.current_size > 0; [L8255-L8258] _Bool backpointers_valid_deep = 1 ; [L8263] EXPR queue->backpointers.current_size [L8263] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 [L8263-L8264] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) [L8261-L8265] _Bool backpointers_zero = (queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) ); [L8267-L8270] _Bool backpointer_struct_is_valid = backpointers_zero || (backpointer_list_item_size && lists_equal_lengths && backpointers_non_zero_current_size && backpointers_valid_deep); [L8272] EXPR (backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers)) [L8272] return ((backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers))); [L8294-L8295] _Bool backpointers_valid = aws_priority_queue_backpointers_valid(queue); [L8296] return pred_is_valid && container_is_valid && backpointers_valid; [L211] COND FALSE !(!cond) [L8456] EXPR queue.container.item_size [L261] return __VERIFIER_nondet_bool(); [L6949-L6951] EXPR nondet_bool() ? ((void *)0) : bounded_malloc(size) [L211] COND FALSE !(!cond) [L6935] return malloc(size); [L6949-L6951] EXPR nondet_bool() ? ((void *)0) : bounded_malloc(size) [L6949-L6951] return nondet_bool() ? ((void *)0) : bounded_malloc(size); [L8456] void *item = can_fail_malloc(queue.container.item_size); [L261] return __VERIFIER_nondet_bool(); [L6949-L6951] EXPR nondet_bool() ? ((void *)0) : bounded_malloc(size) [L6949-L6951] return nondet_bool() ? ((void *)0) : bounded_malloc(size); [L8457] struct aws_priority_queue_node *backpointer = can_fail_malloc(sizeof(struct aws_priority_queue_node)); [L8460] item && ((((queue.container.item_size)) == 0) || ((item))) [L8460] EXPR queue.container.item_size [L8460] item && ((((queue.container.item_size)) == 0) || ((item))) [L211] COND FALSE !(!cond) [L8279] COND FALSE !(!queue) [L8286] EXPR queue->pred [L8285-L8288] _Bool pred_is_valid = (queue->pred != ((void *)0) ); [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8290-L8291] _Bool container_is_valid = aws_array_list_is_valid(&queue->container); [L8220] COND FALSE !(!queue) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2957] EXPR list->current_size [L2957] EXPR (((list->current_size)) == 0) || ((list->data)) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L8230] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8230] EXPR queue->backpointers.current_size [L8230] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) [L8230-L8233] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8231] EXPR queue->backpointers.data [L8230-L8233] EXPR aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ) [L8228-L8233] _Bool backpointer_list_is_valid = ((aws_array_list_is_valid(&queue->backpointers) && (queue->backpointers.current_size != 0) && (queue->backpointers.data != ((void *)0) ))); [L8241] EXPR queue->backpointers.item_size [L8240-L8241] _Bool backpointer_list_item_size = queue->backpointers.item_size == sizeof(struct aws_priority_queue_node *); [L8244] EXPR queue->backpointers.length [L8244] EXPR queue->container.length [L8243-L8244] _Bool lists_equal_lengths = queue->backpointers.length == queue->container.length; [L8247] EXPR queue->backpointers.current_size [L8246-L8247] _Bool backpointers_non_zero_current_size = queue->backpointers.current_size > 0; [L8255-L8258] _Bool backpointers_valid_deep = 1 ; [L8263] EXPR queue->backpointers.current_size [L8263] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 [L8263-L8264] EXPR queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) [L8261-L8265] _Bool backpointers_zero = (queue->backpointers.current_size == 0 && queue->backpointers.length == 0 && queue->backpointers.data == ((void *)0) ); [L8267-L8270] _Bool backpointer_struct_is_valid = backpointers_zero || (backpointer_list_item_size && lists_equal_lengths && backpointers_non_zero_current_size && backpointers_valid_deep); [L8272] EXPR (backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers)) [L8272] return ((backpointer_list_is_valid && backpointer_struct_is_valid) || aws_is_mem_zeroed(&(queue->backpointers), sizeof(queue->backpointers))); [L8294-L8295] _Bool backpointers_valid = aws_priority_queue_backpointers_valid(queue); [L8296] return pred_is_valid && container_is_valid && backpointers_valid; [L211] COND FALSE !(!cond) [L8321] item && ((((queue->container.item_size)) == 0) || ((item))) [L8321] EXPR queue->container.item_size [L8321] item && ((((queue->container.item_size)) == 0) || ((item))) [L211] COND FALSE !(!cond) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L211] COND FALSE !(!cond) [L2989] val && ((((list->item_size)) == 0) || ((val))) [L2989] EXPR list->item_size [L2989] val && ((((list->item_size)) == 0) || ((val))) [L211] COND FALSE !(!cond) [L3169] EXPR list->length [L3169] !list->length || list->data [L211] COND FALSE !(!cond) [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L211] COND FALSE !(!cond) [L3171] EXPR list->length [L3171] size_t len = list->length; [L2939] COND FALSE !(!list) [L2944] size_t required_size = 0; [L2948] EXPR list->length [L2948] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2498] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2500] *r = a * b [L2501] return (0); [L2590] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L2946-L2948] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L2951] EXPR list->current_size [L2951] EXPR \read(required_size) [L2950-L2951] _Bool current_size_is_valid = (list->current_size >= required_size); [L2955] EXPR list->current_size [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955] EXPR list->data [L2955-L2956] EXPR list->current_size == 0 && list->data == ((void *)0) [L2955-L2957] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L2953-L2957] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L2960] EXPR list->item_size [L2959-L2960] _Bool item_size_is_valid = (list->item_size != 0); [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L2944] size_t required_size = 0; [L2961] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L223] COND TRUE !cond [L223] reach_error() - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 233]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2319 locations, 63 error locations. Started 1 CEGAR loops. OverallTime: 743.7s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 264.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 83251 SDtfs, 155187 SDslu, 320652 SDs, 0 SdLazy, 63805 SolverSat, 4691 SolverUnsat, 23 SolverUnknown, 0 SolverNotchecked, 209.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3103 GetRequests, 2780 SyntacticMatches, 0 SemanticMatches, 323 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2501 ImplicationChecksByTransitivity, 21.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6790occurred in iteration=22, InterpolantAutomatonStates: 288, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 23 MinimizatonAttempts, 47601 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.0s SsaConstructionTime, 420.1s SatisfiabilityAnalysisTime, 35.4s InterpolantComputationTime, 3284 NumberOfCodeBlocks, 3284 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3099 ConstructedInterpolants, 2 QuantifiedInterpolants, 9063 SizeOfPredicates, 322 NumberOfNonLiveVariables, 67978 ConjunctsInSsa, 944 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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 could not prove your program: unable to determine feasibility of some traces [2021-11-06 11:46:38,786 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-06 11:46:38,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 11:46:40,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 11:46:40,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 11:46:40,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 11:46:40,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 11:46:40,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 11:46:40,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 11:46:40,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 11:46:40,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 11:46:40,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 11:46:40,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 11:46:40,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 11:46:40,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 11:46:40,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 11:46:40,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 11:46:40,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 11:46:40,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 11:46:40,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 11:46:40,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 11:46:40,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 11:46:40,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 11:46:40,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 11:46:40,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 11:46:40,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 11:46:40,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 11:46:40,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 11:46:40,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 11:46:40,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 11:46:40,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 11:46:40,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 11:46:40,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 11:46:40,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 11:46:40,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 11:46:40,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 11:46:40,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 11:46:40,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 11:46:40,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 11:46:40,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 11:46:40,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 11:46:40,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 11:46:40,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 11:46:40,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-06 11:46:40,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 11:46:40,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 11:46:40,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 11:46:40,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 11:46:40,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 11:46:40,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 11:46:40,902 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 11:46:40,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 11:46:40,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 11:46:40,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 11:46:40,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 11:46:40,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 11:46:40,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-06 11:46:40,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-06 11:46:40,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 11:46:40,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 11:46:40,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 11:46:40,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 11:46:40,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 11:46:40,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 11:46:40,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 11:46:40,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 11:46:40,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 11:46:40,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 11:46:40,907 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-06 11:46:40,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-06 11:46:40,907 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 11:46:40,907 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 11:46:40,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 11:46:40,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 11:46:40,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-06 11:46:40,908 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2021-11-06 11:46:41,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 11:46:41,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 11:46:41,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 11:46:41,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 11:46:41,280 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 11:46:41,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-06 11:46:41,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570e8486d/c98dad65008e40b682fe7d1b34fc3e7d/FLAG97a8950f3 [2021-11-06 11:46:42,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 11:46:42,031 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2021-11-06 11:46:42,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570e8486d/c98dad65008e40b682fe7d1b34fc3e7d/FLAG97a8950f3 [2021-11-06 11:46:42,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570e8486d/c98dad65008e40b682fe7d1b34fc3e7d [2021-11-06 11:46:42,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 11:46:42,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 11:46:42,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 11:46:42,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 11:46:42,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 11:46:42,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:46:42" (1/1) ... [2021-11-06 11:46:42,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4321c63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:42, skipping insertion in model container [2021-11-06 11:46:42,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:46:42" (1/1) ... [2021-11-06 11:46:42,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 11:46:42,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 11:46:42,635 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-06 11:46:42,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-06 11:46:42,666 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 11:46:42,673 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 11:46:43,678 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,683 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,684 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,686 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,687 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,706 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,707 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,708 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,709 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,711 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,712 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,712 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:43,713 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 11:46:44,065 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 11:46:44,067 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 11:46:44,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 11:46:44,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 11:46:44,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 11:46:44,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 11:46:44,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 11:46:44,082 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 11:46:44,084 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 11:46:44,221 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 11:46:44,251 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,257 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,308 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,309 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,310 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,310 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,310 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,311 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,311 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,312 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,312 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,312 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,312 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,316 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,317 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,317 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,317 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,339 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 11:46:44,421 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 11:46:44,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2021-11-06 11:46:44,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2021-11-06 11:46:44,456 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-06 11:46:44,458 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-06 11:46:44,487 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,494 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,495 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,497 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,497 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,539 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-06 11:46:44,540 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-06 11:46:44,541 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-06 11:46:44,541 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-06 11:46:44,542 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-06 11:46:44,542 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-06 11:46:44,543 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-06 11:46:44,543 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-06 11:46:44,544 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-06 11:46:44,544 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-06 11:46:44,571 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-06 11:46:44,592 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,602 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,637 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,638 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,639 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,640 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,640 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,658 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,659 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,659 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-06 11:46:44,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 11:46:44,986 INFO L208 MainTranslator]: Completed translation [2021-11-06 11:46:44,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44 WrapperNode [2021-11-06 11:46:44,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 11:46:44,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 11:46:44,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 11:46:44,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 11:46:44,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 11:46:45,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 11:46:45,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 11:46:45,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 11:46:45,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:45,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:46,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 11:46:46,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 11:46:46,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 11:46:46,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 11:46:46,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:46:44" (1/1) ... [2021-11-06 11:46:46,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 11:46:46,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 11:46:46,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 11:46:46,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 11:46:46,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 11:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-06 11:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-06 11:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-06 11:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 11:46:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 11:46:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 11:46:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 11:46:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-06 11:46:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-06 11:46:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-06 11:46:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 11:46:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-06 11:46:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 11:46:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-06 11:46:46,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ Killed by 15