./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_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 9d35e22e81deed256149cd3cb7c16738ab8c0c2a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d35e22e81deed256149cd3cb7c16738ab8c0c2a ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:01:14,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:01:14,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:01:14,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:01:14,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:01:14,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:01:14,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:01:14,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:01:14,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:01:14,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:01:14,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:01:14,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:01:14,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:01:14,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:01:14,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:01:14,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:01:14,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:01:14,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:01:14,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:01:14,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:01:14,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:01:14,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:01:14,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:01:14,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:01:14,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:01:14,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:01:14,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:01:14,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:01:14,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:01:14,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:01:14,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:01:14,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:01:14,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:01:14,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:01:14,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:01:14,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:01:14,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:01:14,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:01:14,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:01:14,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:01:14,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:01:14,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:01:14,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:01:14,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:01:14,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:01:14,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:01:14,688 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:01:14,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:01:14,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:01:14,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:01:14,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:01:14,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:01:14,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:01:14,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:01:14,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:01:14,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:01:14,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:01:14,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:01:14,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:01:14,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:01:14,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:01:14,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:01:14,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:01:14,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:01:14,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:01:14,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:01:14,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:01:14,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d35e22e81deed256149cd3cb7c16738ab8c0c2a [2020-12-04 18:01:15,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:01:15,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:01:15,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:01:15,193 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:01:15,193 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:01:15,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i [2020-12-04 18:01:15,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efdab27f8/852df15ab1414be8a1782976ab66dfc2/FLAGbe93da822 [2020-12-04 18:01:16,353 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:01:16,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i [2020-12-04 18:01:16,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efdab27f8/852df15ab1414be8a1782976ab66dfc2/FLAGbe93da822 [2020-12-04 18:01:16,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efdab27f8/852df15ab1414be8a1782976ab66dfc2 [2020-12-04 18:01:16,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:01:16,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:01:16,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:01:16,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:01:16,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:01:16,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:01:16" (1/1) ... [2020-12-04 18:01:16,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492a9e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:16, skipping insertion in model container [2020-12-04 18:01:16,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:01:16" (1/1) ... [2020-12-04 18:01:16,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:01:16,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:01:17,216 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2020-12-04 18:01:17,225 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2020-12-04 18:01:17,253 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:01:17,261 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:01:18,216 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:01:18,302 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,303 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,304 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,305 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,307 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,322 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,323 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,325 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,326 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,328 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,330 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,330 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,331 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:01:18,693 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:01:18,695 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:01:18,696 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:01:18,698 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:01:18,699 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:01:18,700 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:01:18,701 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:01:18,702 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:01:18,702 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:01:18,837 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,844 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:18,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:01:18,888 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:01:18,908 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2020-12-04 18:01:18,909 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2020-12-04 18:01:18,918 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:01:18,919 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:01:18,982 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:01:19,001 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,002 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,002 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,003 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,004 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,012 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,013 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,015 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,015 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,017 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,018 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,018 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,019 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,065 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:01:19,067 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:01:19,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:01:19,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:01:19,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:01:19,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:01:19,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:01:19,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:01:19,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:01:19,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:01:19,156 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,162 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:19,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:01:20,273 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:01:20,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20 WrapperNode [2020-12-04 18:01:20,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:01:20,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:01:20,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:01:20,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:01:20,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:01:20,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:01:20,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:01:20,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:01:20,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... [2020-12-04 18:01:20,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:01:20,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:01:20,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:01:20,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:01:20,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:01:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:01:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:01:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:01:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:01:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:01:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:01:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:01:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-04 18:01:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:01:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:01:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:01:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:01:21,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:01:21,778 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2020-12-04 18:01:21,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:01:21 BoogieIcfgContainer [2020-12-04 18:01:21,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:01:21,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:01:21,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:01:21,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:01:21,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:01:16" (1/3) ... [2020-12-04 18:01:21,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc3de1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:01:21, skipping insertion in model container [2020-12-04 18:01:21,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:20" (2/3) ... [2020-12-04 18:01:21,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc3de1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:01:21, skipping insertion in model container [2020-12-04 18:01:21,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:01:21" (3/3) ... [2020-12-04 18:01:21,791 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2020-12-04 18:01:21,808 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:01:21,813 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-12-04 18:01:21,827 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-04 18:01:21,857 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:01:21,858 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:01:21,858 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:01:21,858 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:01:21,859 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:01:21,859 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:01:21,859 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:01:21,859 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:01:21,879 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-04 18:01:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-04 18:01:21,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:01:21,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:01:21,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:01:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:01:21,896 INFO L82 PathProgramCache]: Analyzing trace with hash -88048581, now seen corresponding path program 1 times [2020-12-04 18:01:21,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:01:21,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159239255] [2020-12-04 18:01:21,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:01:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:01:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:01:22,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159239255] [2020-12-04 18:01:22,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:01:22,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:01:22,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803828867] [2020-12-04 18:01:22,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:01:22,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:01:22,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:01:22,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:01:22,247 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-04 18:01:22,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:01:22,292 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2020-12-04 18:01:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:01:22,294 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 35 [2020-12-04 18:01:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:01:22,307 INFO L225 Difference]: With dead ends: 223 [2020-12-04 18:01:22,307 INFO L226 Difference]: Without dead ends: 107 [2020-12-04 18:01:22,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:01:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-04 18:01:22,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-04 18:01:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-04 18:01:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2020-12-04 18:01:22,369 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 35 [2020-12-04 18:01:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:01:22,369 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2020-12-04 18:01:22,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:01:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2020-12-04 18:01:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-04 18:01:22,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:01:22,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:01:22,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:01:22,372 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:01:22,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:01:22,373 INFO L82 PathProgramCache]: Analyzing trace with hash -539664263, now seen corresponding path program 1 times [2020-12-04 18:01:22,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:01:22,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316146099] [2020-12-04 18:01:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:01:22,483 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:01:22,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344892562] [2020-12-04 18:01:22,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:01:22,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-04 18:01:22,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:01:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:01:22,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316146099] [2020-12-04 18:01:22,860 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:01:22,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344892562] [2020-12-04 18:01:22,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:01:22,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:01:22,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413525330] [2020-12-04 18:01:22,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:01:22,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:01:22,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:01:22,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:01:22,865 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 6 states. [2020-12-04 18:01:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:01:23,039 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2020-12-04 18:01:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:01:23,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-04 18:01:23,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:01:23,042 INFO L225 Difference]: With dead ends: 163 [2020-12-04 18:01:23,042 INFO L226 Difference]: Without dead ends: 107 [2020-12-04 18:01:23,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:01:23,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-12-04 18:01:23,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-12-04 18:01:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-04 18:01:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2020-12-04 18:01:23,057 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 35 [2020-12-04 18:01:23,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:01:23,057 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2020-12-04 18:01:23,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:01:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2020-12-04 18:01:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-04 18:01:23,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:01:23,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:01:23,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-04 18:01:23,275 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:01:23,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:01:23,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1257903267, now seen corresponding path program 1 times [2020-12-04 18:01:23,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:01:23,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645368657] [2020-12-04 18:01:23,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:01:23,316 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:01:23,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919457149] [2020-12-04 18:01:23,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:01:23,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 44 conjunts are in the unsatisfiable core [2020-12-04 18:01:23,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:01:23,721 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-04 18:01:23,722 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:01:23,730 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:01:23,732 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:01:23,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:12 [2020-12-04 18:01:23,776 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2020-12-04 18:01:23,777 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:01:23,782 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:01:23,783 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:01:23,784 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:12 [2020-12-04 18:01:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:01:23,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645368657] [2020-12-04 18:01:23,829 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:01:23,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919457149] [2020-12-04 18:01:23,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:01:23,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:01:23,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837162290] [2020-12-04 18:01:23,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:01:23,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:01:23,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:01:23,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:01:23,833 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand 10 states. [2020-12-04 18:01:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:01:24,224 INFO L93 Difference]: Finished difference Result 169 states and 186 transitions. [2020-12-04 18:01:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-04 18:01:24,224 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-12-04 18:01:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:01:24,226 INFO L225 Difference]: With dead ends: 169 [2020-12-04 18:01:24,226 INFO L226 Difference]: Without dead ends: 112 [2020-12-04 18:01:24,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-12-04 18:01:24,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-04 18:01:24,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2020-12-04 18:01:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-04 18:01:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2020-12-04 18:01:24,240 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 43 [2020-12-04 18:01:24,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:01:24,240 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2020-12-04 18:01:24,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:01:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2020-12-04 18:01:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 18:01:24,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:01:24,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:01:24,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:24,457 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:01:24,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:01:24,459 INFO L82 PathProgramCache]: Analyzing trace with hash -359838749, now seen corresponding path program 1 times [2020-12-04 18:01:24,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:01:24,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29776444] [2020-12-04 18:01:24,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:01:24,523 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:01:24,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143769818] [2020-12-04 18:01:24,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:01:24,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 87 conjunts are in the unsatisfiable core [2020-12-04 18:01:25,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:01:25,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:01:25,173 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2020-12-04 18:01:25,175 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:01:25,186 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:01:25,191 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:01:25,191 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:33 [2020-12-04 18:01:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:01:25,305 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:01:25,310 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:01:25,311 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 56 [2020-12-04 18:01:25,318 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:01:25,357 INFO L625 ElimStorePlain]: treesize reduction 13, result has 81.9 percent of original size [2020-12-04 18:01:25,366 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:01:25,366 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:92 [2020-12-04 18:01:25,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:01:25,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:01:25,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:01:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:01:26,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29776444] [2020-12-04 18:01:26,083 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:01:26,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143769818] [2020-12-04 18:01:26,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:01:26,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-12-04 18:01:26,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552722941] [2020-12-04 18:01:26,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-04 18:01:26,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:01:26,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-04 18:01:26,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-12-04 18:01:26,090 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand 16 states. [2020-12-04 18:01:26,948 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-12-04 18:01:27,148 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 55 [2020-12-04 18:01:27,325 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2020-12-04 18:01:27,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:01:27,902 INFO L93 Difference]: Finished difference Result 148 states and 164 transitions. [2020-12-04 18:01:27,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:01:27,903 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 45 [2020-12-04 18:01:27,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:01:27,905 INFO L225 Difference]: With dead ends: 148 [2020-12-04 18:01:27,905 INFO L226 Difference]: Without dead ends: 146 [2020-12-04 18:01:27,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=212, Invalid=718, Unknown=0, NotChecked=0, Total=930 [2020-12-04 18:01:27,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-12-04 18:01:27,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2020-12-04 18:01:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-04 18:01:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 131 transitions. [2020-12-04 18:01:27,919 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 131 transitions. Word has length 45 [2020-12-04 18:01:27,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:01:27,919 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 131 transitions. [2020-12-04 18:01:27,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-04 18:01:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 131 transitions. [2020-12-04 18:01:27,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 18:01:27,921 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:01:27,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:01:28,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:28,135 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:01:28,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:01:28,135 INFO L82 PathProgramCache]: Analyzing trace with hash -302580447, now seen corresponding path program 1 times [2020-12-04 18:01:28,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:01:28,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490363167] [2020-12-04 18:01:28,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:01:28,158 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:01:28,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1953150705] [2020-12-04 18:01:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:01:28,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-04 18:01:28,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:01:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:01:28,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490363167] [2020-12-04 18:01:28,451 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:01:28,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953150705] [2020-12-04 18:01:28,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:01:28,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:01:28,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670243790] [2020-12-04 18:01:28,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:01:28,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:01:28,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:01:28,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:01:28,454 INFO L87 Difference]: Start difference. First operand 119 states and 131 transitions. Second operand 5 states. [2020-12-04 18:01:28,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:01:28,782 INFO L93 Difference]: Finished difference Result 242 states and 261 transitions. [2020-12-04 18:01:28,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:01:28,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-12-04 18:01:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:01:28,785 INFO L225 Difference]: With dead ends: 242 [2020-12-04 18:01:28,785 INFO L226 Difference]: Without dead ends: 182 [2020-12-04 18:01:28,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:01:28,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-04 18:01:28,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 126. [2020-12-04 18:01:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-12-04 18:01:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 138 transitions. [2020-12-04 18:01:28,824 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 138 transitions. Word has length 45 [2020-12-04 18:01:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:01:28,825 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 138 transitions. [2020-12-04 18:01:28,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:01:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2020-12-04 18:01:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 18:01:28,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:01:28,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:01:29,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:29,034 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:01:29,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:01:29,035 INFO L82 PathProgramCache]: Analyzing trace with hash 377477923, now seen corresponding path program 1 times [2020-12-04 18:01:29,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:01:29,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942624265] [2020-12-04 18:01:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:01:29,054 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:01:29,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1442675293] [2020-12-04 18:01:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:01:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:01:29,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 128 conjunts are in the unsatisfiable core [2020-12-04 18:01:29,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:01:29,474 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2020-12-04 18:01:29,475 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:01:29,483 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:01:29,485 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:01:29,485 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-12-04 18:01:29,576 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2020-12-04 18:01:29,580 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:01:29,591 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:01:29,593 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:01:29,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:20 [2020-12-04 18:01:31,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942624265] [2020-12-04 18:01:31,718 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:01:31,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442675293] [2020-12-04 18:01:31,718 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-12-04 18:01:31,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:01:31,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-04 18:01:31,719 ERROR L205 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2020-12-04 18:01:31,719 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-04 18:01:31,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-04 18:01:31,964 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-04 18:01:31,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:01:31 BoogieIcfgContainer [2020-12-04 18:01:31,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:01:31,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:01:31,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:01:31,966 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:01:31,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:01:21" (3/4) ... [2020-12-04 18:01:31,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 18:01:31,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:01:31,976 INFO L168 Benchmark]: Toolchain (without parser) took 15199.59 ms. Allocated memory was 56.6 MB in the beginning and 237.0 MB in the end (delta: 180.4 MB). Free memory was 36.2 MB in the beginning and 90.8 MB in the end (delta: -54.6 MB). Peak memory consumption was 128.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:31,977 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 46.1 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:01:31,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3498.30 ms. Allocated memory was 56.6 MB in the beginning and 104.9 MB in the end (delta: 48.2 MB). Free memory was 36.1 MB in the beginning and 26.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:31,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 225.53 ms. Allocated memory is still 104.9 MB. Free memory was 26.0 MB in the beginning and 18.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:31,979 INFO L168 Benchmark]: Boogie Preprocessor took 104.31 ms. Allocated memory is still 104.9 MB. Free memory was 18.7 MB in the beginning and 65.1 MB in the end (delta: -46.4 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:31,980 INFO L168 Benchmark]: RCFGBuilder took 1173.54 ms. Allocated memory is still 104.9 MB. Free memory was 65.1 MB in the beginning and 47.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:31,980 INFO L168 Benchmark]: TraceAbstraction took 10182.57 ms. Allocated memory was 104.9 MB in the beginning and 237.0 MB in the end (delta: 132.1 MB). Free memory was 47.7 MB in the beginning and 90.8 MB in the end (delta: -43.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:31,981 INFO L168 Benchmark]: Witness Printer took 6.10 ms. Allocated memory is still 237.0 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:01:31,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 46.1 MB. Free memory is still 26.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3498.30 ms. Allocated memory was 56.6 MB in the beginning and 104.9 MB in the end (delta: 48.2 MB). Free memory was 36.1 MB in the beginning and 26.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 225.53 ms. Allocated memory is still 104.9 MB. Free memory was 26.0 MB in the beginning and 18.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.31 ms. Allocated memory is still 104.9 MB. Free memory was 18.7 MB in the beginning and 65.1 MB in the end (delta: -46.4 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1173.54 ms. Allocated memory is still 104.9 MB. Free memory was 65.1 MB in the beginning and 47.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10182.57 ms. Allocated memory was 104.9 MB in the beginning and 237.0 MB in the end (delta: 132.1 MB). Free memory was 47.7 MB in the beginning and 90.8 MB in the end (delta: -43.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. * Witness Printer took 6.10 ms. Allocated memory is still 237.0 MB. Free memory is still 90.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L211] COND FALSE !(!cond) [L7599] EXPR \read(len) [L211] COND FALSE !(!cond) [L2782] return malloc(size); [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] \read(len) [L7183] COND FALSE !(size > 0 && array && storage) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L3246-L3247] list->alloc = ((void *)0) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L211] COND FALSE !(!cond) [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) [L3281] EXPR list->data [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L223] COND TRUE !cond [L223] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 10.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 1149 SDslu, 1258 SDs, 0 SdLazy, 585 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 86 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 198 ConstructedInterpolants, 6 QuantifiedInterpolants, 55030 SizeOfPredicates, 81 NumberOfNonLiveVariables, 1852 ConjunctsInSsa, 146 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:01:34,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:01:34,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:01:34,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:01:34,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:01:34,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:01:34,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:01:34,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:01:34,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:01:34,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:01:34,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:01:34,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:01:34,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:01:34,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:01:34,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:01:34,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:01:34,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:01:34,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:01:34,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:01:34,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:01:34,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:01:34,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:01:34,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:01:34,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:01:34,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:01:34,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:01:34,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:01:34,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:01:34,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:01:34,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:01:34,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:01:34,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:01:34,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:01:34,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:01:34,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:01:34,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:01:34,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:01:34,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:01:34,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:01:34,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:01:34,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:01:34,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 18:01:34,703 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:01:34,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:01:34,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:01:34,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:01:34,706 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:01:34,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:01:34,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:01:34,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:01:34,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:01:34,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:01:34,708 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 18:01:34,708 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 18:01:34,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:01:34,709 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:01:34,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:01:34,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:01:34,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:01:34,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:01:34,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:01:34,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:01:34,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:01:34,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:01:34,711 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 18:01:34,711 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 18:01:34,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:01:34,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:01:34,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 18:01:34,713 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d35e22e81deed256149cd3cb7c16738ab8c0c2a [2020-12-04 18:01:35,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:01:35,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:01:35,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:01:35,159 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:01:35,160 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:01:35,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i [2020-12-04 18:01:35,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c63e2c4/25eb0158eed24b9faa176d18e675ebd6/FLAG1c87b2a84 [2020-12-04 18:01:36,305 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:01:36,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i [2020-12-04 18:01:36,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c63e2c4/25eb0158eed24b9faa176d18e675ebd6/FLAG1c87b2a84 [2020-12-04 18:01:36,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c63e2c4/25eb0158eed24b9faa176d18e675ebd6 [2020-12-04 18:01:36,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:01:36,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:01:36,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:01:36,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:01:36,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:01:36,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:01:36" (1/1) ... [2020-12-04 18:01:36,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4e356a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:36, skipping insertion in model container [2020-12-04 18:01:36,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:01:36" (1/1) ... [2020-12-04 18:01:36,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:01:36,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:01:37,144 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2020-12-04 18:01:37,151 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2020-12-04 18:01:37,170 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:01:37,176 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:01:37,981 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:01:38,056 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,057 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,058 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,059 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,061 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,096 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,099 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,102 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,106 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,110 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,112 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,117 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,118 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,494 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:01:38,496 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:01:38,497 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:01:38,498 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:01:38,500 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:01:38,501 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:01:38,502 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:01:38,503 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:01:38,503 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:01:38,504 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:01:38,753 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,774 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:38,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:01:38,852 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:01:38,890 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2020-12-04 18:01:38,892 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2020-12-04 18:01:38,898 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:01:38,900 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:01:38,980 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:01:39,023 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,026 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,026 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,029 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,041 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,042 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,058 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,058 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,059 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,060 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,060 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,061 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,098 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:01:39,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:01:39,099 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:01:39,100 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:01:39,101 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:01:39,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:01:39,102 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:01:39,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:01:39,103 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:01:39,104 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:01:39,133 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,138 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:01:39,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:01:40,085 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:01:40,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:40 WrapperNode [2020-12-04 18:01:40,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:01:40,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:01:40,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:01:40,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:01:40,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:40" (1/1) ... [2020-12-04 18:01:40,147 ERROR L1131 TypeChecker]: C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263]: Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] [2020-12-04 18:01:40,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:01:40" (1/1) ... [2020-12-04 18:01:40,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:01:40,215 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 18:01:40,221 INFO L168 Benchmark]: Toolchain (without parser) took 3489.98 ms. Allocated memory was 54.5 MB in the beginning and 100.7 MB in the end (delta: 46.1 MB). Free memory was 32.8 MB in the beginning and 47.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:40,221 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory is still 23.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:01:40,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3358.08 ms. Allocated memory was 54.5 MB in the beginning and 100.7 MB in the end (delta: 46.1 MB). Free memory was 32.6 MB in the beginning and 51.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:40,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.41 ms. Allocated memory is still 100.7 MB. Free memory was 51.9 MB in the beginning and 47.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:01:40,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory is still 23.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3358.08 ms. Allocated memory was 54.5 MB in the beginning and 100.7 MB in the end (delta: 46.1 MB). Free memory was 32.6 MB in the beginning and 51.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.41 ms. Allocated memory is still 100.7 MB. Free memory was 51.9 MB in the beginning and 47.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 263]: Type Error Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...