./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.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 f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 13:28:02,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 13:28:02,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 13:28:02,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 13:28:02,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 13:28:02,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 13:28:02,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 13:28:02,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 13:28:02,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 13:28:02,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 13:28:02,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 13:28:02,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 13:28:02,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 13:28:02,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 13:28:02,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 13:28:02,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 13:28:02,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 13:28:02,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 13:28:02,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 13:28:02,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 13:28:02,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 13:28:02,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 13:28:02,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 13:28:02,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 13:28:02,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 13:28:02,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 13:28:02,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 13:28:02,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 13:28:02,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 13:28:02,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 13:28:02,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 13:28:02,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 13:28:02,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 13:28:02,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 13:28:02,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 13:28:02,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 13:28:02,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 13:28:02,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 13:28:02,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 13:28:02,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 13:28:02,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 13:28:02,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 13:28:02,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 13:28:02,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 13:28:02,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 13:28:02,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 13:28:02,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 13:28:02,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 13:28:02,945 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 13:28:02,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 13:28:02,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 13:28:02,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 13:28:02,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 13:28:02,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 13:28:02,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 13:28:02,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 13:28:02,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 13:28:02,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 13:28:02,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 13:28:02,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 13:28:02,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 13:28:02,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:28:02,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 13:28:02,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 13:28:02,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 13:28:02,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 13:28:02,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 13:28:02,949 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 13:28:02,949 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 13:28:02,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 13:28:02,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 13:28:02,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 [2021-11-05 13:28:03,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 13:28:03,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 13:28:03,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 13:28:03,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 13:28:03,237 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 13:28:03,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2021-11-05 13:28:03,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a286352/11bd6d4b717b4ad1b9431e21deb3f960/FLAGffe0f57db [2021-11-05 13:28:03,915 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 13:28:03,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2021-11-05 13:28:03,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a286352/11bd6d4b717b4ad1b9431e21deb3f960/FLAGffe0f57db [2021-11-05 13:28:04,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a286352/11bd6d4b717b4ad1b9431e21deb3f960 [2021-11-05 13:28:04,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 13:28:04,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 13:28:04,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 13:28:04,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 13:28:04,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 13:28:04,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:28:04" (1/1) ... [2021-11-05 13:28:04,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18537e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:04, skipping insertion in model container [2021-11-05 13:28:04,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:28:04" (1/1) ... [2021-11-05 13:28:04,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 13:28:04,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 13:28:04,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-11-05 13:28:04,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-11-05 13:28:04,616 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 13:28:04,619 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 13:28:05,148 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 13:28:05,213 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,214 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,215 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,216 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,217 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,233 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,234 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,435 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 13:28:05,436 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 13:28:05,437 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 13:28:05,440 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 13:28:05,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 13:28:05,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 13:28:05,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 13:28:05,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 13:28:05,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 13:28:05,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 13:28:05,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:28:05,607 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 13:28:05,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4505,4518] [2021-11-05 13:28:05,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4565,4578] [2021-11-05 13:28:05,632 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 13:28:05,633 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 13:28:05,660 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 13:28:05,668 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,669 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,669 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,669 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,670 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,674 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,674 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,675 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,675 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,710 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 13:28:05,710 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 13:28:05,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 13:28:05,711 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 13:28:05,712 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 13:28:05,712 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 13:28:05,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 13:28:05,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 13:28:05,716 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 13:28:05,717 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 13:28:05,735 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,739 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 13:28:05,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:28:05,962 INFO L208 MainTranslator]: Completed translation [2021-11-05 13:28:05,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05 WrapperNode [2021-11-05 13:28:05,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 13:28:05,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 13:28:05,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 13:28:05,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 13:28:05,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 13:28:06,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 13:28:06,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 13:28:06,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 13:28:06,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 13:28:06,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 13:28:06,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 13:28:06,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 13:28:06,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (1/1) ... [2021-11-05 13:28:06,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:28:06,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:06,351 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) [2021-11-05 13:28:06,380 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 [2021-11-05 13:28:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 13:28:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 13:28:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 13:28:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 13:28:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 13:28:06,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 13:28:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 13:28:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-05 13:28:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 13:28:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 13:28:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 13:28:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 13:28:13,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 13:28:13,992 INFO L299 CfgBuilder]: Removed 215 assume(true) statements. [2021-11-05 13:28:13,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:28:13 BoogieIcfgContainer [2021-11-05 13:28:13,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 13:28:13,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 13:28:13,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 13:28:13,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 13:28:13,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:28:04" (1/3) ... [2021-11-05 13:28:13,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff19f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:28:13, skipping insertion in model container [2021-11-05 13:28:13,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:28:05" (2/3) ... [2021-11-05 13:28:13,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff19f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:28:13, skipping insertion in model container [2021-11-05 13:28:13,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:28:13" (3/3) ... [2021-11-05 13:28:13,999 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2021-11-05 13:28:14,002 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 13:28:14,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-11-05 13:28:14,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 13:28:14,032 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 [2021-11-05 13:28:14,032 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-05 13:28:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 270 states have (on average 1.4592592592592593) internal successors, (394), 283 states have internal predecessors, (394), 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) [2021-11-05 13:28:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-05 13:28:14,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:14,047 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] [2021-11-05 13:28:14,047 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-05 13:28:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:14,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1584459694, now seen corresponding path program 1 times [2021-11-05 13:28:14,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:14,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82932712] [2021-11-05 13:28:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:14,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:28:14,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:14,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82932712] [2021-11-05 13:28:14,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82932712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:14,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:14,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 13:28:14,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964937221] [2021-11-05 13:28:14,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:14,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 13:28:14,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:14,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 13:28:14,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 13:28:14,546 INFO L87 Difference]: Start difference. First operand has 284 states, 270 states have (on average 1.4592592592592593) internal successors, (394), 283 states have internal predecessors, (394), 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 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-05 13:28:14,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:14,596 INFO L93 Difference]: Finished difference Result 562 states and 781 transitions. [2021-11-05 13:28:14,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 13:28:14,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-05 13:28:14,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:14,615 INFO L225 Difference]: With dead ends: 562 [2021-11-05 13:28:14,615 INFO L226 Difference]: Without dead ends: 277 [2021-11-05 13:28:14,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 13:28:14,625 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:14,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 2.28ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 13:28:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-11-05 13:28:14,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2021-11-05 13:28:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 264 states have (on average 1.3068181818181819) internal successors, (345), 276 states have internal predecessors, (345), 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) [2021-11-05 13:28:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 345 transitions. [2021-11-05 13:28:14,694 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 345 transitions. Word has length 44 [2021-11-05 13:28:14,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:14,694 INFO L470 AbstractCegarLoop]: Abstraction has 277 states and 345 transitions. [2021-11-05 13:28:14,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-05 13:28:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 345 transitions. [2021-11-05 13:28:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-05 13:28:14,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:14,697 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] [2021-11-05 13:28:14,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 13:28:14,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-05 13:28:14,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash -90645083, now seen corresponding path program 1 times [2021-11-05 13:28:14,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:14,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023532679] [2021-11-05 13:28:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:14,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:14,782 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 13:28:14,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766985771] [2021-11-05 13:28:14,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:14,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:14,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:14,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:14,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 13:28:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:15,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 2510 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 13:28:15,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:28:15,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:28:15,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:15,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023532679] [2021-11-05 13:28:15,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 13:28:15,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766985771] [2021-11-05 13:28:15,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766985771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:15,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:15,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 13:28:15,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367251478] [2021-11-05 13:28:15,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:15,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 13:28:15,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:15,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 13:28:15,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:28:15,728 INFO L87 Difference]: Start difference. First operand 277 states and 345 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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) [2021-11-05 13:28:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:16,250 INFO L93 Difference]: Finished difference Result 690 states and 870 transitions. [2021-11-05 13:28:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:28:16,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 [2021-11-05 13:28:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:16,252 INFO L225 Difference]: With dead ends: 690 [2021-11-05 13:28:16,252 INFO L226 Difference]: Without dead ends: 517 [2021-11-05 13:28:16,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 112.58ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:28:16,254 INFO L933 BasicCegarLoop]: 490 mSDtfsCounter, 579 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 353.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.88ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 406.48ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:16,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [579 Valid, 1619 Invalid, 96 Unknown, 0 Unchecked, 8.88ms Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 406.48ms Time] [2021-11-05 13:28:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2021-11-05 13:28:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 280. [2021-11-05 13:28:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 267 states have (on average 1.303370786516854) internal successors, (348), 279 states have internal predecessors, (348), 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) [2021-11-05 13:28:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 348 transitions. [2021-11-05 13:28:16,276 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 348 transitions. Word has length 56 [2021-11-05 13:28:16,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:16,276 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 348 transitions. [2021-11-05 13:28:16,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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) [2021-11-05 13:28:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 348 transitions. [2021-11-05 13:28:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 13:28:16,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:16,278 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] [2021-11-05 13:28:16,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 13:28:16,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:16,479 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-05 13:28:16,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:16,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1401852718, now seen corresponding path program 1 times [2021-11-05 13:28:16,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:16,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015144721] [2021-11-05 13:28:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:16,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:16,540 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 13:28:16,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410283896] [2021-11-05 13:28:16,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:16,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:16,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:16,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:16,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 13:28:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:28:17,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 2504 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-05 13:28:17,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:28:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:28:17,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:28:17,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:28:17,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015144721] [2021-11-05 13:28:17,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 13:28:17,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410283896] [2021-11-05 13:28:17,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410283896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:28:17,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:28:17,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 13:28:17,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595204701] [2021-11-05 13:28:17,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:28:17,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 13:28:17,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:28:17,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 13:28:17,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:28:17,492 INFO L87 Difference]: Start difference. First operand 280 states and 348 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-11-05 13:28:18,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:28:18,447 INFO L93 Difference]: Finished difference Result 549 states and 687 transitions. [2021-11-05 13:28:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-05 13:28:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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 [2021-11-05 13:28:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:28:18,449 INFO L225 Difference]: With dead ends: 549 [2021-11-05 13:28:18,449 INFO L226 Difference]: Without dead ends: 547 [2021-11-05 13:28:18,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 312.01ms TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-05 13:28:18,451 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 652 mSDsluCounter, 2003 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 641.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.74ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 712.08ms IncrementalHoareTripleChecker+Time [2021-11-05 13:28:18,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 2491 Invalid, 233 Unknown, 0 Unchecked, 7.74ms Time], IncrementalHoareTripleChecker [14 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 712.08ms Time] [2021-11-05 13:28:18,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-11-05 13:28:18,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 282. [2021-11-05 13:28:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 269 states have (on average 1.3011152416356877) internal successors, (350), 281 states have internal predecessors, (350), 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) [2021-11-05 13:28:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 350 transitions. [2021-11-05 13:28:18,457 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 350 transitions. Word has length 57 [2021-11-05 13:28:18,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:28:18,458 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 350 transitions. [2021-11-05 13:28:18,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 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) [2021-11-05 13:28:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 350 transitions. [2021-11-05 13:28:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 13:28:18,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:28:18,459 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] [2021-11-05 13:28:18,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-05 13:28:18,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-05 13:28:18,684 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-05 13:28:18,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:28:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1401912300, now seen corresponding path program 1 times [2021-11-05 13:28:18,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:28:18,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829817850] [2021-11-05 13:28:18,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:18,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:28:18,754 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 13:28:18,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402454384] [2021-11-05 13:28:18,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:28:18,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:28:18,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:28:18,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:28:18,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-05 13:36:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:36:43,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 2509 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-05 13:36:43,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:36:43,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:36:43,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:36:43,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:36:43,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829817850] [2021-11-05 13:36:43,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 13:36:43,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402454384] [2021-11-05 13:36:43,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402454384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:36:43,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:36:43,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 13:36:43,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466863470] [2021-11-05 13:36:43,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:36:43,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 13:36:43,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:36:43,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 13:36:43,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:36:43,322 INFO L87 Difference]: Start difference. First operand 282 states and 350 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-11-05 13:36:43,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:36:43,361 INFO L93 Difference]: Finished difference Result 533 states and 666 transitions. [2021-11-05 13:36:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:36:43,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 [2021-11-05 13:36:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:36:43,363 INFO L225 Difference]: With dead ends: 533 [2021-11-05 13:36:43,364 INFO L226 Difference]: Without dead ends: 282 [2021-11-05 13:36:43,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:36:43,366 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 313 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.33ms IncrementalHoareTripleChecker+Time [2021-11-05 13:36:43,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 364 Invalid, 8 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 29.33ms Time] [2021-11-05 13:36:43,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-11-05 13:36:43,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-11-05 13:36:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 269 states have (on average 1.2936802973977695) internal successors, (348), 281 states have internal predecessors, (348), 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) [2021-11-05 13:36:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 348 transitions. [2021-11-05 13:36:43,377 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 348 transitions. Word has length 57 [2021-11-05 13:36:43,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:36:43,378 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 348 transitions. [2021-11-05 13:36:43,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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) [2021-11-05 13:36:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2021-11-05 13:36:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 13:36:43,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:36:43,382 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] [2021-11-05 13:36:43,609 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2021-11-05 13:36:43,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-05 13:36:43,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:36:43,638 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-05 13:36:43,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:36:43,638 INFO L85 PathProgramCache]: Analyzing trace with hash -147891285, now seen corresponding path program 1 times [2021-11-05 13:36:43,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:36:43,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483199446] [2021-11-05 13:36:43,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:36:43,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:36:43,715 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 13:36:43,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1425798430] [2021-11-05 13:36:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:36:43,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:36:43,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:36:43,740 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:36:43,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-05 13:39:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:39:06,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 2523 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-05 13:39:06,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:39:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:39:06,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:39:06,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:39:06,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483199446] [2021-11-05 13:39:06,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 13:39:06,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425798430] [2021-11-05 13:39:06,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425798430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:39:06,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:39:06,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 13:39:06,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231314549] [2021-11-05 13:39:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:39:06,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 13:39:06,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:39:06,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 13:39:06,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:39:06,666 INFO L87 Difference]: Start difference. First operand 282 states and 348 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:39:06,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:39:06,723 INFO L93 Difference]: Finished difference Result 537 states and 669 transitions. [2021-11-05 13:39:06,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:39:06,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-05 13:39:06,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:39:06,725 INFO L225 Difference]: With dead ends: 537 [2021-11-05 13:39:06,725 INFO L226 Difference]: Without dead ends: 286 [2021-11-05 13:39:06,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:39:06,726 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 2 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.12ms IncrementalHoareTripleChecker+Time [2021-11-05 13:39:06,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 672 Invalid, 14 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 49.12ms Time] [2021-11-05 13:39:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-11-05 13:39:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 284. [2021-11-05 13:39:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 271 states have (on average 1.2915129151291513) internal successors, (350), 283 states have internal predecessors, (350), 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) [2021-11-05 13:39:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 350 transitions. [2021-11-05 13:39:06,734 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 350 transitions. Word has length 59 [2021-11-05 13:39:06,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:39:06,735 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 350 transitions. [2021-11-05 13:39:06,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:39:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 350 transitions. [2021-11-05 13:39:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-05 13:39:06,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:39:06,754 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, 1, 1] [2021-11-05 13:39:06,958 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2021-11-05 13:39:06,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-05 13:39:06,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:39:06,995 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-05 13:39:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:39:06,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1284744177, now seen corresponding path program 1 times [2021-11-05 13:39:06,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:39:06,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153131138] [2021-11-05 13:39:06,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:39:06,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:39:07,040 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 13:39:07,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526000362] [2021-11-05 13:39:07,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:39:07,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:39:07,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:39:07,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:39:07,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process Killed by 15