./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 13:21:23,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 13:21:23,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 13:21:23,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 13:21:23,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 13:21:23,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 13:21:23,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 13:21:23,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 13:21:23,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 13:21:23,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 13:21:23,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 13:21:23,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 13:21:23,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 13:21:23,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 13:21:23,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 13:21:23,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 13:21:23,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 13:21:23,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 13:21:23,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 13:21:23,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 13:21:23,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 13:21:23,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 13:21:23,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 13:21:23,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 13:21:23,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 13:21:23,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 13:21:23,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 13:21:23,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 13:21:23,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 13:21:23,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 13:21:23,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 13:21:23,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 13:21:23,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 13:21:23,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 13:21:23,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 13:21:23,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 13:21:23,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 13:21:23,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 13:21:23,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 13:21:23,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 13:21:23,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 13:21:23,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 13:21:23,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 13:21:23,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 13:21:23,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 13:21:23,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 13:21:23,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 13:21:23,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 13:21:23,672 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 13:21:23,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 13:21:23,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 13:21:23,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 13:21:23,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 13:21:23,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 13:21:23,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 13:21:23,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 13:21:23,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 13:21:23,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 13:21:23,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 13:21:23,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 13:21:23,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 13:21:23,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 13:21:23,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 13:21:23,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 13:21:23,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 13:21:23,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 13:21:23,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 13:21:23,676 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 13:21:23,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 13:21:23,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 13:21:23,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 13:21:23,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2021-11-02 13:21:23,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 13:21:23,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 13:21:23,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 13:21:23,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 13:21:23,971 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 13:21:23,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-11-02 13:21:24,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d00768bd/5652b414ab8d4eb7b47f4cd6982b0138/FLAGe61ab9f6f [2021-11-02 13:21:24,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 13:21:24,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2021-11-02 13:21:24,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d00768bd/5652b414ab8d4eb7b47f4cd6982b0138/FLAGe61ab9f6f [2021-11-02 13:21:25,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d00768bd/5652b414ab8d4eb7b47f4cd6982b0138 [2021-11-02 13:21:25,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 13:21:25,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 13:21:25,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 13:21:25,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 13:21:25,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 13:21:25,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 01:21:25" (1/1) ... [2021-11-02 13:21:25,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53779885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:25, skipping insertion in model container [2021-11-02 13:21:25,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 01:21:25" (1/1) ... [2021-11-02 13:21:25,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 13:21:25,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 13:21:25,409 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2021-11-02 13:21:25,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2021-11-02 13:21:25,445 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 13:21:25,452 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 13:21:26,482 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,484 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,485 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,485 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,494 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,494 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:26,867 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 13:21:26,869 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 13:21:26,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 13:21:26,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 13:21:26,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 13:21:26,878 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 13:21:26,878 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 13:21:26,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 13:21:26,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 13:21:26,883 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 13:21:27,043 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 13:21:27,109 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,110 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,482 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,483 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,508 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,510 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,520 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,521 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,540 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,543 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,544 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 13:21:27,669 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 13:21:27,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4501,4514] [2021-11-02 13:21:27,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i[4561,4574] [2021-11-02 13:21:27,694 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 13:21:27,696 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 13:21:27,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,751 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,752 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,753 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,757 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,757 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 13:21:27,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 13:21:27,791 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 13:21:27,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 13:21:27,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 13:21:27,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 13:21:27,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 13:21:27,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 13:21:27,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 13:21:27,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 13:21:27,811 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 13:21:27,882 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,885 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,953 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,954 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,960 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,963 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,964 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,968 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,969 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,970 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,970 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,970 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,970 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:27,971 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 13:21:28,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 13:21:28,218 INFO L208 MainTranslator]: Completed translation [2021-11-02 13:21:28,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28 WrapperNode [2021-11-02 13:21:28,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 13:21:28,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 13:21:28,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 13:21:28,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 13:21:28,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 13:21:28,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 13:21:28,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 13:21:28,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 13:21:28,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 13:21:28,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 13:21:28,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 13:21:28,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 13:21:28,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (1/1) ... [2021-11-02 13:21:28,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 13:21:28,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 13:21:28,637 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) [2021-11-02 13:21:28,663 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 [2021-11-02 13:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-02 13:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 13:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 13:21:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 13:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 13:21:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 13:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 13:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 13:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 13:21:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 13:21:29,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !true; [2021-11-02 13:21:29,308 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 13:21:29,308 INFO L299 CfgBuilder]: Removed 86 assume(true) statements. [2021-11-02 13:21:29,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 01:21:29 BoogieIcfgContainer [2021-11-02 13:21:29,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 13:21:29,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 13:21:29,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 13:21:29,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 13:21:29,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 01:21:25" (1/3) ... [2021-11-02 13:21:29,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f35340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 01:21:29, skipping insertion in model container [2021-11-02 13:21:29,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 01:21:28" (2/3) ... [2021-11-02 13:21:29,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f35340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 01:21:29, skipping insertion in model container [2021-11-02 13:21:29,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 01:21:29" (3/3) ... [2021-11-02 13:21:29,321 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2021-11-02 13:21:29,325 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 13:21:29,326 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-02 13:21:29,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 13:21:29,378 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 [2021-11-02 13:21:29,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-02 13:21:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-02 13:21:29,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:29,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:29,418 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:29,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:29,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1460465419, now seen corresponding path program 1 times [2021-11-02 13:21:29,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:29,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689386860] [2021-11-02 13:21:29,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:29,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:29,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:29,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689386860] [2021-11-02 13:21:29,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689386860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:29,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:29,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 13:21:29,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794090532] [2021-11-02 13:21:29,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 13:21:29,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:29,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 13:21:29,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 13:21:29,921 INFO L87 Difference]: Start difference. First operand has 101 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 100 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:30,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:30,153 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2021-11-02 13:21:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 13:21:30,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-02 13:21:30,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:30,164 INFO L225 Difference]: With dead ends: 198 [2021-11-02 13:21:30,165 INFO L226 Difference]: Without dead ends: 95 [2021-11-02 13:21:30,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 13:21:30,175 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 169.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 201.50ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:30,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 120 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 201.50ms Time] [2021-11-02 13:21:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-02 13:21:30,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-02 13:21:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 94 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2021-11-02 13:21:30,226 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 45 [2021-11-02 13:21:30,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:30,226 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2021-11-02 13:21:30,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-02 13:21:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-02 13:21:30,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:30,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:30,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 13:21:30,231 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:30,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:30,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1370581995, now seen corresponding path program 1 times [2021-11-02 13:21:30,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:30,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191459522] [2021-11-02 13:21:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:30,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:30,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:30,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191459522] [2021-11-02 13:21:30,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191459522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:30,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:30,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-02 13:21:30,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751252392] [2021-11-02 13:21:30,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-02 13:21:30,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:30,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-02 13:21:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-02 13:21:30,502 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:31,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:31,178 INFO L93 Difference]: Finished difference Result 201 states and 236 transitions. [2021-11-02 13:21:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-02 13:21:31,179 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-02 13:21:31,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:31,180 INFO L225 Difference]: With dead ends: 201 [2021-11-02 13:21:31,180 INFO L226 Difference]: Without dead ends: 136 [2021-11-02 13:21:31,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 233.43ms TimeCoverageRelationStatistics Valid=160, Invalid=392, Unknown=0, NotChecked=0, Total=552 [2021-11-02 13:21:31,182 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 821 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 364.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.21ms SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 450.21ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:31,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [821 Valid, 0 Invalid, 672 Unknown, 0 Unchecked, 8.21ms Time], IncrementalHoareTripleChecker [52 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 450.21ms Time] [2021-11-02 13:21:31,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-11-02 13:21:31,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 95. [2021-11-02 13:21:31,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 94 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-11-02 13:21:31,195 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 46 [2021-11-02 13:21:31,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:31,195 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-11-02 13:21:31,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-11-02 13:21:31,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-02 13:21:31,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:31,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:31,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 13:21:31,198 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:31,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:31,198 INFO L85 PathProgramCache]: Analyzing trace with hash 947880169, now seen corresponding path program 1 times [2021-11-02 13:21:31,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:31,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894172173] [2021-11-02 13:21:31,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:31,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:31,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:31,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894172173] [2021-11-02 13:21:31,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894172173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:31,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:31,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-02 13:21:31,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402601472] [2021-11-02 13:21:31,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 13:21:31,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:31,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 13:21:31,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-02 13:21:31,432 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:31,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:31,769 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2021-11-02 13:21:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 13:21:31,769 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-02 13:21:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:31,770 INFO L225 Difference]: With dead ends: 141 [2021-11-02 13:21:31,770 INFO L226 Difference]: Without dead ends: 95 [2021-11-02 13:21:31,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 113.28ms TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-11-02 13:21:31,772 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 514 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 188.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.57ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 229.33ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:31,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [514 Valid, 0 Invalid, 318 Unknown, 0 Unchecked, 2.57ms Time], IncrementalHoareTripleChecker [4 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 229.33ms Time] [2021-11-02 13:21:31,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-02 13:21:31,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-02 13:21:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1758241758241759) internal successors, (107), 94 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2021-11-02 13:21:31,780 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 46 [2021-11-02 13:21:31,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:31,780 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2021-11-02 13:21:31,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2021-11-02 13:21:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-02 13:21:31,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:31,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:31,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 13:21:31,782 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash 479564307, now seen corresponding path program 1 times [2021-11-02 13:21:31,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:31,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407245349] [2021-11-02 13:21:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:31,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:31,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:31,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407245349] [2021-11-02 13:21:31,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407245349] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:31,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:31,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-02 13:21:31,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660559196] [2021-11-02 13:21:31,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-02 13:21:31,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:31,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-02 13:21:31,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-02 13:21:31,992 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:32,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:32,508 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2021-11-02 13:21:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-02 13:21:32,509 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-02 13:21:32,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:32,510 INFO L225 Difference]: With dead ends: 132 [2021-11-02 13:21:32,510 INFO L226 Difference]: Without dead ends: 95 [2021-11-02 13:21:32,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 183.38ms TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2021-11-02 13:21:32,512 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 556 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 295.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.26ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 355.36ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:32,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [556 Valid, 0 Invalid, 471 Unknown, 0 Unchecked, 4.26ms Time], IncrementalHoareTripleChecker [10 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 355.36ms Time] [2021-11-02 13:21:32,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-02 13:21:32,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-02 13:21:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.164835164835165) internal successors, (106), 94 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 106 transitions. [2021-11-02 13:21:32,519 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 106 transitions. Word has length 51 [2021-11-02 13:21:32,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:32,520 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 106 transitions. [2021-11-02 13:21:32,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-02 13:21:32,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-02 13:21:32,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:32,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:32,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 13:21:32,522 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:32,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1733405211, now seen corresponding path program 1 times [2021-11-02 13:21:32,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:32,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103763508] [2021-11-02 13:21:32,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:32,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:32,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:32,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103763508] [2021-11-02 13:21:32,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103763508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:32,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:32,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-02 13:21:32,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326602093] [2021-11-02 13:21:32,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 13:21:32,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:32,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 13:21:32,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-02 13:21:32,758 INFO L87 Difference]: Start difference. First operand 95 states and 106 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:33,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:33,201 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2021-11-02 13:21:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-02 13:21:33,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-02 13:21:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:33,203 INFO L225 Difference]: With dead ends: 116 [2021-11-02 13:21:33,203 INFO L226 Difference]: Without dead ends: 95 [2021-11-02 13:21:33,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 167.59ms TimeCoverageRelationStatistics Valid=138, Invalid=282, Unknown=0, NotChecked=0, Total=420 [2021-11-02 13:21:33,204 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 469 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 241.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.76ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 292.51ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:33,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [469 Valid, 0 Invalid, 430 Unknown, 0 Unchecked, 2.76ms Time], IncrementalHoareTripleChecker [11 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 292.51ms Time] [2021-11-02 13:21:33,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-02 13:21:33,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-02 13:21:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 94 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 105 transitions. [2021-11-02 13:21:33,214 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 105 transitions. Word has length 56 [2021-11-02 13:21:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:33,217 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 105 transitions. [2021-11-02 13:21:33,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 105 transitions. [2021-11-02 13:21:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-02 13:21:33,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:33,219 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:33,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 13:21:33,220 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:33,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:33,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2102829230, now seen corresponding path program 1 times [2021-11-02 13:21:33,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:33,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679260008] [2021-11-02 13:21:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:33,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:33,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:33,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679260008] [2021-11-02 13:21:33,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679260008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:33,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:33,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-02 13:21:33,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828579943] [2021-11-02 13:21:33,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-02 13:21:33,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:33,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-02 13:21:33,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-02 13:21:33,525 INFO L87 Difference]: Start difference. First operand 95 states and 105 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:34,068 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2021-11-02 13:21:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-02 13:21:34,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-02 13:21:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:34,069 INFO L225 Difference]: With dead ends: 95 [2021-11-02 13:21:34,069 INFO L226 Difference]: Without dead ends: 93 [2021-11-02 13:21:34,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 220.33ms TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2021-11-02 13:21:34,071 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 466 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 295.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.57ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 354.82ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:34,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [466 Valid, 0 Invalid, 618 Unknown, 0 Unchecked, 3.57ms Time], IncrementalHoareTripleChecker [25 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 354.82ms Time] [2021-11-02 13:21:34,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-02 13:21:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-02 13:21:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 90 states have (on average 1.1444444444444444) internal successors, (103), 92 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions. [2021-11-02 13:21:34,076 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 57 [2021-11-02 13:21:34,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:34,077 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 103 transitions. [2021-11-02 13:21:34,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions. [2021-11-02 13:21:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-02 13:21:34,078 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 13:21:34,078 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:34,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 13:21:34,078 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-02 13:21:34,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 13:21:34,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1291137303, now seen corresponding path program 1 times [2021-11-02 13:21:34,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 13:21:34,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955816786] [2021-11-02 13:21:34,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 13:21:34,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 13:21:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 13:21:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 13:21:34,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 13:21:34,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955816786] [2021-11-02 13:21:34,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955816786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 13:21:34,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 13:21:34,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 13:21:34,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018079955] [2021-11-02 13:21:34,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 13:21:34,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 13:21:34,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 13:21:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-02 13:21:34,358 INFO L87 Difference]: Start difference. First operand 93 states and 103 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 13:21:34,411 INFO L93 Difference]: Finished difference Result 93 states and 103 transitions. [2021-11-02 13:21:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 13:21:34,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-02 13:21:34,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 13:21:34,412 INFO L225 Difference]: With dead ends: 93 [2021-11-02 13:21:34,412 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 13:21:34,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.17ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-02 13:21:34,413 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.45ms IncrementalHoareTripleChecker+Time [2021-11-02 13:21:34,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 15 Unknown, 0 Unchecked, 0.09ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 22.45ms Time] [2021-11-02 13:21:34,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 13:21:34,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 13:21:34,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 13:21:34,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-11-02 13:21:34,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 13:21:34,415 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 13:21:34,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 13:21:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 13:21:34,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 13:21:34,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-02 13:21:34,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-11-02 13:21:34,418 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-11-02 13:21:34,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-11-02 13:21:34,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 13:21:34,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 13:21:34,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 13:21:34,466 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,466 INFO L858 garLoopResultBuilder]: For program point L7699(lines 7699 7703) no Hoare annotation was computed. [2021-11-02 13:21:34,466 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 13:21:34,466 INFO L858 garLoopResultBuilder]: For program point L11317(lines 11317 11327) no Hoare annotation was computed. [2021-11-02 13:21:34,467 INFO L858 garLoopResultBuilder]: For program point L11319-2(line 11319) no Hoare annotation was computed. [2021-11-02 13:21:34,467 INFO L858 garLoopResultBuilder]: For program point L11319(line 11319) no Hoare annotation was computed. [2021-11-02 13:21:34,467 INFO L854 garLoopResultBuilder]: At program point L6828-1(lines 6819 6829) the Hoare annotation is: false [2021-11-02 13:21:34,467 INFO L854 garLoopResultBuilder]: At program point L6828(lines 6819 6829) the Hoare annotation is: false [2021-11-02 13:21:34,467 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-02 13:21:34,467 INFO L858 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-02 13:21:34,468 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 7114 7124) no Hoare annotation was computed. [2021-11-02 13:21:34,468 INFO L858 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-11-02 13:21:34,468 INFO L854 garLoopResultBuilder]: At program point L11074(lines 11056 11075) the Hoare annotation is: false [2021-11-02 13:21:34,468 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 13:21:34,468 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,468 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,468 INFO L858 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,469 INFO L858 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,469 INFO L858 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,469 INFO L854 garLoopResultBuilder]: At program point L10810-5(line 10810) the Hoare annotation is: false [2021-11-02 13:21:34,469 INFO L858 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,469 INFO L858 garLoopResultBuilder]: For program point L11058(line 11058) no Hoare annotation was computed. [2021-11-02 13:21:34,469 INFO L854 garLoopResultBuilder]: At program point L7705(lines 7686 7706) the Hoare annotation is: false [2021-11-02 13:21:34,469 INFO L858 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,470 INFO L858 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,470 INFO L858 garLoopResultBuilder]: For program point L10810-1(line 10810) no Hoare annotation was computed. [2021-11-02 13:21:34,470 INFO L858 garLoopResultBuilder]: For program point L10810-3(line 10810) no Hoare annotation was computed. [2021-11-02 13:21:34,470 INFO L858 garLoopResultBuilder]: For program point L11058-2(line 11058) no Hoare annotation was computed. [2021-11-02 13:21:34,470 INFO L858 garLoopResultBuilder]: For program point L11323(lines 11323 11326) no Hoare annotation was computed. [2021-11-02 13:21:34,470 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,471 INFO L858 garLoopResultBuilder]: For program point L11059(line 11059) no Hoare annotation was computed. [2021-11-02 13:21:34,471 INFO L858 garLoopResultBuilder]: For program point L11059-2(line 11059) no Hoare annotation was computed. [2021-11-02 13:21:34,471 INFO L858 garLoopResultBuilder]: For program point L7112(lines 7112 7125) no Hoare annotation was computed. [2021-11-02 13:21:34,471 INFO L858 garLoopResultBuilder]: For program point L11060(lines 11060 11064) no Hoare annotation was computed. [2021-11-02 13:21:34,471 INFO L854 garLoopResultBuilder]: At program point L6816-1(lines 6813 6817) the Hoare annotation is: false [2021-11-02 13:21:34,471 INFO L854 garLoopResultBuilder]: At program point L6816(lines 6813 6817) the Hoare annotation is: false [2021-11-02 13:21:34,472 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 13:21:34,472 INFO L854 garLoopResultBuilder]: At program point L6899-1(lines 6895 6900) the Hoare annotation is: false [2021-11-02 13:21:34,472 INFO L854 garLoopResultBuilder]: At program point L6899(lines 6895 6900) the Hoare annotation is: false [2021-11-02 13:21:34,472 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,472 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,472 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,472 INFO L858 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-9(lines 7693 7697) no Hoare annotation was computed. [2021-11-02 13:21:34,473 INFO L858 garLoopResultBuilder]: For program point L210-10(lines 210 212) no Hoare annotation was computed. [2021-11-02 13:21:34,474 INFO L854 garLoopResultBuilder]: At program point L6272-1(lines 6263 6273) the Hoare annotation is: false [2021-11-02 13:21:34,474 INFO L854 garLoopResultBuilder]: At program point L6272(lines 6263 6273) the Hoare annotation is: false [2021-11-02 13:21:34,474 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,474 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,474 INFO L858 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,474 INFO L858 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,475 INFO L858 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,475 INFO L858 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,475 INFO L858 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,475 INFO L858 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,475 INFO L854 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-02 13:21:34,475 INFO L858 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,475 INFO L854 garLoopResultBuilder]: At program point L261-1(line 261) the Hoare annotation is: false [2021-11-02 13:21:34,476 INFO L854 garLoopResultBuilder]: At program point L261-2(line 261) the Hoare annotation is: false [2021-11-02 13:21:34,476 INFO L858 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,476 INFO L858 garLoopResultBuilder]: For program point L211-18(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,476 INFO L858 garLoopResultBuilder]: For program point L211-20(line 211) no Hoare annotation was computed. [2021-11-02 13:21:34,476 INFO L858 garLoopResultBuilder]: For program point L6257-2(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,476 INFO L858 garLoopResultBuilder]: For program point L6257-3(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,476 INFO L858 garLoopResultBuilder]: For program point L6257(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,477 INFO L854 garLoopResultBuilder]: At program point L6257-6(lines 6253 6258) the Hoare annotation is: false [2021-11-02 13:21:34,477 INFO L858 garLoopResultBuilder]: For program point L6257-7(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,477 INFO L858 garLoopResultBuilder]: For program point L6257-5(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,477 INFO L858 garLoopResultBuilder]: For program point L6257-10(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,477 INFO L858 garLoopResultBuilder]: For program point L6257-9(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,477 INFO L858 garLoopResultBuilder]: For program point L6257-14(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,478 INFO L858 garLoopResultBuilder]: For program point L6257-12(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,478 INFO L854 garLoopResultBuilder]: At program point L6257-13(lines 6253 6258) the Hoare annotation is: false [2021-11-02 13:21:34,478 INFO L858 garLoopResultBuilder]: For program point L6257-19(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,478 INFO L858 garLoopResultBuilder]: For program point L6257-16(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,478 INFO L858 garLoopResultBuilder]: For program point L6257-17(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,478 INFO L861 garLoopResultBuilder]: At program point L11328(line 11328) the Hoare annotation is: true [2021-11-02 13:21:34,478 INFO L858 garLoopResultBuilder]: For program point L6257-23(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,479 INFO L854 garLoopResultBuilder]: At program point L6257-20(lines 6253 6258) the Hoare annotation is: false [2021-11-02 13:21:34,479 INFO L858 garLoopResultBuilder]: For program point L6257-21(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,479 INFO L858 garLoopResultBuilder]: For program point L6257-26(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,479 INFO L854 garLoopResultBuilder]: At program point L6257-27(lines 6253 6258) the Hoare annotation is: false [2021-11-02 13:21:34,479 INFO L858 garLoopResultBuilder]: For program point L6257-24(line 6257) no Hoare annotation was computed. [2021-11-02 13:21:34,479 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 13:21:34,479 INFO L854 garLoopResultBuilder]: At program point L6903-1(lines 6902 6904) the Hoare annotation is: false [2021-11-02 13:21:34,480 INFO L854 garLoopResultBuilder]: At program point L6903(lines 6902 6904) the Hoare annotation is: false [2021-11-02 13:21:34,480 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-02 13:21:34,480 INFO L858 garLoopResultBuilder]: For program point L11065(lines 11065 11073) no Hoare annotation was computed. [2021-11-02 13:21:34,480 INFO L854 garLoopResultBuilder]: At program point L10803(lines 10803 10811) the Hoare annotation is: false [2021-11-02 13:21:34,480 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size 96) [2021-11-02 13:21:34,480 INFO L854 garLoopResultBuilder]: At program point L266-1(line 266) the Hoare annotation is: false [2021-11-02 13:21:34,481 INFO L858 garLoopResultBuilder]: For program point L6823(lines 6823 6824) no Hoare annotation was computed. [2021-11-02 13:21:34,481 INFO L854 garLoopResultBuilder]: At program point L266-2(line 266) the Hoare annotation is: false [2021-11-02 13:21:34,481 INFO L858 garLoopResultBuilder]: For program point L6823-5(lines 6823 6824) no Hoare annotation was computed. [2021-11-02 13:21:34,481 INFO L858 garLoopResultBuilder]: For program point L6823-3(lines 6823 6824) no Hoare annotation was computed. [2021-11-02 13:21:34,481 INFO L858 garLoopResultBuilder]: For program point L6823-2(lines 6823 6824) no Hoare annotation was computed. [2021-11-02 13:21:34,484 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-02 13:21:34,485 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 13:21:34,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 01:21:34 BoogieIcfgContainer [2021-11-02 13:21:34,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 13:21:34,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 13:21:34,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 13:21:34,497 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 13:21:34,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 01:21:29" (3/4) ... [2021-11-02 13:21:34,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 13:21:34,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-11-02 13:21:34,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-02 13:21:34,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-02 13:21:34,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 13:21:34,701 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-02 13:21:34,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 13:21:34,702 INFO L158 Benchmark]: Toolchain (without parser) took 9647.12ms. Allocated memory was 107.0MB in the beginning and 213.9MB in the end (delta: 107.0MB). Free memory was 64.1MB in the beginning and 115.2MB in the end (delta: -51.1MB). Peak memory consumption was 129.2MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,702 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-02 13:21:34,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3161.34ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 63.8MB in the beginning and 101.2MB in the end (delta: -37.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.00ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 89.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,703 INFO L158 Benchmark]: Boogie Preprocessor took 107.15ms. Allocated memory is still 167.8MB. Free memory was 89.6MB in the beginning and 84.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,703 INFO L158 Benchmark]: RCFGBuilder took 713.10ms. Allocated memory is still 167.8MB. Free memory was 84.1MB in the beginning and 85.2MB in the end (delta: -1.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,704 INFO L158 Benchmark]: TraceAbstraction took 5185.18ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 85.2MB in the beginning and 84.5MB in the end (delta: 684.6kB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,704 INFO L158 Benchmark]: Witness Printer took 204.12ms. Allocated memory is still 213.9MB. Free memory was 84.5MB in the beginning and 115.2MB in the end (delta: -30.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-11-02 13:21:34,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 81.8MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3161.34ms. Allocated memory was 107.0MB in the beginning and 167.8MB in the end (delta: 60.8MB). Free memory was 63.8MB in the beginning and 101.2MB in the end (delta: -37.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 267.00ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 89.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.15ms. Allocated memory is still 167.8MB. Free memory was 89.6MB in the beginning and 84.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 713.10ms. Allocated memory is still 167.8MB. Free memory was 84.1MB in the beginning and 85.2MB in the end (delta: -1.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5185.18ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 85.2MB in the beginning and 84.5MB in the end (delta: 684.6kB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Witness Printer took 204.12ms. Allocated memory is still 213.9MB. Free memory was 84.5MB in the beginning and 115.2MB in the end (delta: -30.7MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5121.15ms, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 31.75ms, AutomataDifference: 2885.62ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 46.30ms, InitialAbstractionConstructionTime: 14.34ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2831 SdHoareTripleChecker+Valid, 1906.18ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2831 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1574.73ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1484 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2542 IncrementalHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 0 mSDtfsCounter, 2542 mSolverCounterSat, 22.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 981.21ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 75.27ms AutomataMinimizationTime, 7 MinimizatonAttempts, 41 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 27 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 22.64ms HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 16.90ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 63.54ms SsaConstructionTime, 449.42ms SatisfiabilityAnalysisTime, 1248.36ms InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 6895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10803]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: max_size == 96 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11056]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6813]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 11328]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-02 13:21:34,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE