./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.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_array_list_init_dynamic_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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 12:00:48,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 12:00:48,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 12:00:48,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 12:00:48,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 12:00:48,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 12:00:48,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 12:00:48,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 12:00:48,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 12:00:48,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 12:00:48,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 12:00:48,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 12:00:48,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 12:00:48,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 12:00:48,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 12:00:48,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 12:00:48,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 12:00:48,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 12:00:48,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 12:00:48,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 12:00:48,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 12:00:48,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 12:00:48,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 12:00:48,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 12:00:48,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 12:00:48,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 12:00:48,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 12:00:48,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 12:00:48,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 12:00:48,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 12:00:48,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 12:00:48,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 12:00:48,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 12:00:48,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 12:00:48,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 12:00:48,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 12:00:48,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 12:00:48,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 12:00:48,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 12:00:48,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 12:00:48,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 12:00:48,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 12:00:48,288 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 12:00:48,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 12:00:48,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 12:00:48,291 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 12:00:48,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 12:00:48,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 12:00:48,293 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 12:00:48,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 12:00:48,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 12:00:48,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 12:00:48,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 12:00:48,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 12:00:48,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 12:00:48,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 12:00:48,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 12:00:48,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 12:00:48,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 12:00:48,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 12:00:48,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 12:00:48,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 12:00:48,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 12:00:48,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 12:00:48,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 12:00:48,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 12:00:48,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 12:00:48,296 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 12:00:48,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 12:00:48,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 12:00:48,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 12:00:48,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2021-11-05 12:00:48,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 12:00:48,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 12:00:48,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 12:00:48,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 12:00:48,623 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 12:00:48,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-05 12:00:48,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306512178/7d89d48a02194a59a6e5b3765e7eb37b/FLAG56fd7b8ec [2021-11-05 12:00:49,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 12:00:49,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2021-11-05 12:00:49,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306512178/7d89d48a02194a59a6e5b3765e7eb37b/FLAG56fd7b8ec [2021-11-05 12:00:49,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/306512178/7d89d48a02194a59a6e5b3765e7eb37b [2021-11-05 12:00:49,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 12:00:49,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 12:00:49,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 12:00:49,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 12:00:49,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 12:00:49,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:00:49" (1/1) ... [2021-11-05 12:00:49,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab9b79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:49, skipping insertion in model container [2021-11-05 12:00:49,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 12:00:49" (1/1) ... [2021-11-05 12:00:49,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 12:00:49,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 12:00:50,019 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_array_list_init_dynamic_harness.i[4501,4514] [2021-11-05 12:00:50,023 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_array_list_init_dynamic_harness.i[4561,4574] [2021-11-05 12:00:50,039 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 12:00:50,043 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 12:00:50,613 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 12:00:50,671 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,672 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,672 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,673 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,673 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,682 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,683 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,685 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,685 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,687 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,688 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,688 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,690 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:50,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 12:00:50,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 12:00:50,914 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 12:00:50,916 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 12:00:50,918 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 12:00:50,919 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 12:00:50,921 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 12:00:50,923 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 12:00:50,924 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 12:00:50,939 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 12:00:51,007 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 12:00:51,065 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 12:00:51,084 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_array_list_init_dynamic_harness.i[4501,4514] [2021-11-05 12:00:51,085 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_array_list_init_dynamic_harness.i[4561,4574] [2021-11-05 12:00:51,087 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-05 12:00:51,087 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-05 12:00:51,123 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-05 12:00:51,153 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,154 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,154 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,155 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,155 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,160 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,164 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,168 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,169 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,169 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,169 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,210 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-05 12:00:51,211 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-05 12:00:51,211 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-05 12:00:51,216 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-05 12:00:51,217 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-05 12:00:51,218 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-05 12:00:51,218 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-05 12:00:51,218 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-05 12:00:51,219 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-05 12:00:51,219 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-05 12:00:51,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,242 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-05 12:00:51,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 12:00:51,426 INFO L208 MainTranslator]: Completed translation [2021-11-05 12:00:51,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51 WrapperNode [2021-11-05 12:00:51,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 12:00:51,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 12:00:51,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 12:00:51,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 12:00:51,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 12:00:51,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 12:00:51,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 12:00:51,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 12:00:51,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 12:00:51,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 12:00:51,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 12:00:51,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 12:00:51,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (1/1) ... [2021-11-05 12:00:51,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 12:00:51,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:00:51,766 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 12:00:51,823 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 12:00:51,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 12:00:51,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 12:00:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 12:00:51,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 12:00:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 12:00:51,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 12:00:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 12:00:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-05 12:00:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 12:00:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 12:00:51,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 12:00:51,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 12:00:58,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 12:00:58,888 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-05 12:00:58,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:00:58 BoogieIcfgContainer [2021-11-05 12:00:58,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 12:00:58,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 12:00:58,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 12:00:58,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 12:00:58,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 12:00:49" (1/3) ... [2021-11-05 12:00:58,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eef284c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:00:58, skipping insertion in model container [2021-11-05 12:00:58,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 12:00:51" (2/3) ... [2021-11-05 12:00:58,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eef284c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 12:00:58, skipping insertion in model container [2021-11-05 12:00:58,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 12:00:58" (3/3) ... [2021-11-05 12:00:58,899 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2021-11-05 12:00:58,917 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 12:00:58,918 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-05 12:00:58,956 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 12:00:58,963 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 12:00:58,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-05 12:00:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 119 states have (on average 1.4453781512605042) internal successors, (172), 128 states have internal predecessors, (172), 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 12:00:58,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-05 12:00:58,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:00:58,983 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] [2021-11-05 12:00:58,983 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-05 12:00:58,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:00:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1447700352, now seen corresponding path program 1 times [2021-11-05 12:00:58,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:00:58,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829205405] [2021-11-05 12:00:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:00:58,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:00:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:00:59,532 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 12:00:59,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:00:59,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829205405] [2021-11-05 12:00:59,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829205405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:00:59,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:00:59,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 12:00:59,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991000507] [2021-11-05 12:00:59,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:00:59,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 12:00:59,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:00:59,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 12:00:59,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 12:00:59,564 INFO L87 Difference]: Start difference. First operand has 129 states, 119 states have (on average 1.4453781512605042) internal successors, (172), 128 states have internal predecessors, (172), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 12:00:59,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:00:59,590 INFO L93 Difference]: Finished difference Result 254 states and 339 transitions. [2021-11-05 12:00:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 12:00:59,593 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-11-05 12:00:59,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:00:59,600 INFO L225 Difference]: With dead ends: 254 [2021-11-05 12:00:59,600 INFO L226 Difference]: Without dead ends: 122 [2021-11-05 12:00:59,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 12:00:59,607 INFO L933 BasicCegarLoop]: 151 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, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 12:00:59,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 12:00:59,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-05 12:00:59,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-05 12:00:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 121 states have internal predecessors, (143), 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 12:00:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2021-11-05 12:00:59,654 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 25 [2021-11-05 12:00:59,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:00:59,654 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2021-11-05 12:00:59,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 12:00:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2021-11-05 12:00:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-05 12:00:59,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:00:59,662 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] [2021-11-05 12:00:59,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 12:00:59,662 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-05 12:00:59,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:00:59,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1187359242, now seen corresponding path program 1 times [2021-11-05 12:00:59,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:00:59,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360437208] [2021-11-05 12:00:59,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:00:59,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:00:59,764 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:00:59,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1388048701] [2021-11-05 12:00:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:00:59,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:00:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:00:59,766 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 12:00:59,787 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 12:01:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:01:00,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 2285 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 12:01:00,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 12:01:00,706 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 12:01:00,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 12:01:00,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:01:00,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360437208] [2021-11-05 12:01:00,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 12:01:00,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388048701] [2021-11-05 12:01:00,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388048701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:01:00,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:01:00,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 12:01:00,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675980870] [2021-11-05 12:01:00,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:01:00,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 12:01:00,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:01:00,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 12:01:00,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 12:01:00,709 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 12:01:00,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:01:00,935 INFO L93 Difference]: Finished difference Result 268 states and 314 transitions. [2021-11-05 12:01:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 12:01:00,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-11-05 12:01:00,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:01:00,939 INFO L225 Difference]: With dead ends: 268 [2021-11-05 12:01:00,939 INFO L226 Difference]: Without dead ends: 215 [2021-11-05 12:01:00,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 111.22ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 12:01:00,940 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 209 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.79ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 146.69ms IncrementalHoareTripleChecker+Time [2021-11-05 12:01:00,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 625 Invalid, 42 Unknown, 0 Unchecked, 3.79ms Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 146.69ms Time] [2021-11-05 12:01:00,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-05 12:01:00,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 125. [2021-11-05 12:01:00,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 116 states have (on average 1.2586206896551724) internal successors, (146), 124 states have internal predecessors, (146), 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 12:01:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2021-11-05 12:01:00,950 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 28 [2021-11-05 12:01:00,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:01:00,951 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2021-11-05 12:01:00,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 12:01:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2021-11-05 12:01:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-05 12:01:00,952 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:01:00,952 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] [2021-11-05 12:01:00,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-05 12:01:01,175 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 12:01:01,176 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-05 12:01:01,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:01:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1546483786, now seen corresponding path program 1 times [2021-11-05 12:01:01,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:01:01,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142347485] [2021-11-05 12:01:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:01:01,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:01:01,264 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:01:01,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608186711] [2021-11-05 12:01:01,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:01:01,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:01:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:01:01,267 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 12:01:01,268 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 12:01:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:01:01,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-05 12:01:01,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 12:01:02,285 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 12:01:02,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 12:01:02,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:01:02,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142347485] [2021-11-05 12:01:02,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 12:01:02,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608186711] [2021-11-05 12:01:02,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608186711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:01:02,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:01:02,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 12:01:02,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331548108] [2021-11-05 12:01:02,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:01:02,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 12:01:02,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:01:02,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 12:01:02,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 12:01:02,287 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 12:01:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:01:02,882 INFO L93 Difference]: Finished difference Result 144 states and 170 transitions. [2021-11-05 12:01:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 12:01:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2021-11-05 12:01:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:01:02,883 INFO L225 Difference]: With dead ends: 144 [2021-11-05 12:01:02,883 INFO L226 Difference]: Without dead ends: 142 [2021-11-05 12:01:02,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 316.44ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-05 12:01:02,884 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 346 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 339.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 376.84ms IncrementalHoareTripleChecker+Time [2021-11-05 12:01:02,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 477 Invalid, 93 Unknown, 0 Unchecked, 6.07ms Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 376.84ms Time] [2021-11-05 12:01:02,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-05 12:01:02,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2021-11-05 12:01:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 126 states have internal predecessors, (148), 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 12:01:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2021-11-05 12:01:02,894 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 28 [2021-11-05 12:01:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:01:02,894 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2021-11-05 12:01:02,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 12:01:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2021-11-05 12:01:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-05 12:01:02,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:01:02,895 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] [2021-11-05 12:01:02,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-05 12:01:03,098 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 12:01:03,098 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-05 12:01:03,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:01:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1546424204, now seen corresponding path program 1 times [2021-11-05 12:01:03,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:01:03,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992827516] [2021-11-05 12:01:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:01:03,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:01:03,157 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:01:03,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556158239] [2021-11-05 12:01:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:01:03,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:01:03,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:01:03,159 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 12:01:03,160 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 12:03:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:03:31,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-05 12:03:31,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 12:03:31,279 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 12:03:31,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 12:03:31,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:03:31,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992827516] [2021-11-05 12:03:31,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 12:03:31,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556158239] [2021-11-05 12:03:31,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556158239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 12:03:31,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 12:03:31,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 12:03:31,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658247331] [2021-11-05 12:03:31,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 12:03:31,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 12:03:31,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:03:31,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 12:03:31,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 12:03:31,281 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 12:03:31,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:03:31,300 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2021-11-05 12:03:31,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 12:03:31,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-11-05 12:03:31,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:03:31,302 INFO L225 Difference]: With dead ends: 241 [2021-11-05 12:03:31,302 INFO L226 Difference]: Without dead ends: 128 [2021-11-05 12:03:31,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 12:03:31,303 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.18ms IncrementalHoareTripleChecker+Time [2021-11-05 12:03:31,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 3 Unknown, 0 Unchecked, 0.60ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 12.18ms Time] [2021-11-05 12:03:31,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-05 12:03:31,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-11-05 12:03:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 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 12:03:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2021-11-05 12:03:31,309 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 28 [2021-11-05 12:03:31,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:03:31,310 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2021-11-05 12:03:31,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 12:03:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2021-11-05 12:03:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-05 12:03:31,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:03:31,311 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] [2021-11-05 12:03:31,527 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 12:03:31,540 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 12:03:31,540 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 12:03:31,541 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-05 12:03:31,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:03:31,541 INFO L85 PathProgramCache]: Analyzing trace with hash 758995426, now seen corresponding path program 1 times [2021-11-05 12:03:31,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:03:31,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068144915] [2021-11-05 12:03:31,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:03:31,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:03:31,617 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:03:31,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779229398] [2021-11-05 12:03:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:03:31,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:03:31,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:03:31,619 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 12:03:31,620 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 12:12:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 12:12:15,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-05 12:12:15,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 12:12:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:12:15,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 12:12:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 12:12:15,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 12:12:15,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068144915] [2021-11-05 12:12:15,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 12:12:15,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779229398] [2021-11-05 12:12:15,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779229398] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 12:12:15,958 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-05 12:12:15,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-05 12:12:15,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405336688] [2021-11-05 12:12:15,958 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-05 12:12:15,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 12:12:15,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 12:12:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 12:12:15,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-05 12:12:15,959 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 12:12:16,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 12:12:16,061 INFO L93 Difference]: Finished difference Result 244 states and 288 transitions. [2021-11-05 12:12:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 12:12:16,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 29 [2021-11-05 12:12:16,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 12:12:16,063 INFO L225 Difference]: With dead ends: 244 [2021-11-05 12:12:16,063 INFO L226 Difference]: Without dead ends: 131 [2021-11-05 12:12:16,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 149.72ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-05 12:12:16,064 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 128 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.16ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.75ms IncrementalHoareTripleChecker+Time [2021-11-05 12:12:16,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 434 Invalid, 14 Unknown, 0 Unchecked, 1.16ms Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 35.75ms Time] [2021-11-05 12:12:16,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-05 12:12:16,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-05 12:12:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 122 states have (on average 1.2459016393442623) internal successors, (152), 130 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 12:12:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2021-11-05 12:12:16,070 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 29 [2021-11-05 12:12:16,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 12:12:16,070 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2021-11-05 12:12:16,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 12:12:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2021-11-05 12:12:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-05 12:12:16,071 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 12:12:16,071 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 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 12:12:16,271 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 12:12:16,303 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 12:12:16,304 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 12:12:16,304 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-05 12:12:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 12:12:16,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1548133388, now seen corresponding path program 2 times [2021-11-05 12:12:16,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 12:12:16,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545836237] [2021-11-05 12:12:16,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 12:12:16,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 12:12:16,388 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 12:12:16,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674377530] [2021-11-05 12:12:16,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 12:12:16,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 12:12:16,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 12:12:16,395 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 12:12:16,396 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