./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memset_using_uint64_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/memset_using_uint64_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 7696cc44c0c47eff983196be1072383d407d9604 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memset_using_uint64_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 7696cc44c0c47eff983196be1072383d407d9604 ................................................................................................................................................................................................ 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 19:28:10,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:28:10,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:28:10,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:28:10,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:28:10,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:28:10,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:28:10,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:28:10,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:28:10,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:28:10,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:28:10,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:28:10,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:28:10,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:28:10,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:28:10,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:28:10,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:28:10,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:28:10,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:28:10,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:28:10,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:28:10,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:28:10,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:28:10,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:28:10,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:28:10,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:28:10,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:28:10,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:28:10,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:28:10,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:28:10,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:28:10,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:28:10,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:28:10,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:28:10,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:28:10,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:28:10,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:28:10,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:28:10,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:28:10,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:28:10,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:28:10,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 19:28:10,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:28:10,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:28:10,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:28:10,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:28:10,820 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:28:10,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:28:10,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 19:28:10,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:28:10,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:28:10,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:28:10,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:28:10,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:28:10,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:28:10,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:28:10,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:28:10,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:28:10,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:28:10,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:28:10,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:28:10,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:28:10,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:28:10,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 19:28:10,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 19:28:10,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:28:10,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:28:10,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7696cc44c0c47eff983196be1072383d407d9604 [2020-12-04 19:28:11,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:28:11,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:28:11,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:28:11,341 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:28:11,342 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:28:11,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memset_using_uint64_harness.i [2020-12-04 19:28:11,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8916ee2/635e93e5130c48b4a7d88c3d973c7823/FLAGbe9a2a8d6 [2020-12-04 19:28:12,316 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:28:12,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memset_using_uint64_harness.i [2020-12-04 19:28:12,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8916ee2/635e93e5130c48b4a7d88c3d973c7823/FLAGbe9a2a8d6 [2020-12-04 19:28:12,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8916ee2/635e93e5130c48b4a7d88c3d973c7823 [2020-12-04 19:28:12,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:28:12,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:28:12,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:28:12,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:28:12,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:28:12,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:28:12" (1/1) ... [2020-12-04 19:28:12,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e731ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:12, skipping insertion in model container [2020-12-04 19:28:12,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:28:12" (1/1) ... [2020-12-04 19:28:12,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:28:12,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:28:13,356 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/memset_using_uint64_harness.i[4493,4506] [2020-12-04 19:28:13,366 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/memset_using_uint64_harness.i[4553,4566] [2020-12-04 19:28:13,395 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:28:13,402 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:28:14,483 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,485 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,487 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,488 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,491 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,527 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,528 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,531 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,532 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,536 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,538 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,538 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,539 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:14,757 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:28:14,762 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:28:14,764 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:28:14,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:28:14,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:28:14,770 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:28:14,773 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:28:14,776 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:28:14,778 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:28:14,779 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:28:14,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:28:14,931 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:28:14,950 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/memset_using_uint64_harness.i[4493,4506] [2020-12-04 19:28:14,951 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/memset_using_uint64_harness.i[4553,4566] [2020-12-04 19:28:14,954 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:28:14,956 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:28:15,007 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,008 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,009 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,010 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,011 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,020 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,021 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,023 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,023 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,025 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,026 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,027 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:15,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:28:15,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:28:15,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:28:15,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:28:15,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:28:15,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:28:15,079 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:28:15,080 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:28:15,080 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:28:15,081 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:28:15,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:28:15,848 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:28:15,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15 WrapperNode [2020-12-04 19:28:15,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:28:15,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:28:15,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:28:15,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:28:15,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:15,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:15,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:28:15,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 19:28:15,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 19:28:15,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 19:28:16,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (1/1) ... [2020-12-04 19:28:16,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 19:28:16,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 19:28:16,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 19:28:16,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 19:28:16,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (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 19:28:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 19:28:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 19:28:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 19:28:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 19:28:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 19:28:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 19:28:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 19:28:17,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 19:28:17,278 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-04 19:28:17,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:28:17 BoogieIcfgContainer [2020-12-04 19:28:17,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 19:28:17,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 19:28:17,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 19:28:17,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 19:28:17,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 07:28:12" (1/3) ... [2020-12-04 19:28:17,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cfde37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:28:17, skipping insertion in model container [2020-12-04 19:28:17,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:15" (2/3) ... [2020-12-04 19:28:17,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73cfde37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:28:17, skipping insertion in model container [2020-12-04 19:28:17,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:28:17" (3/3) ... [2020-12-04 19:28:17,293 INFO L111 eAbstractionObserver]: Analyzing ICFG memset_using_uint64_harness.i [2020-12-04 19:28:17,311 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 19:28:17,317 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-04 19:28:17,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-04 19:28:17,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 19:28:17,364 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 19:28:17,365 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 19:28:17,365 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 19:28:17,365 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 19:28:17,365 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 19:28:17,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 19:28:17,366 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 19:28:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-12-04 19:28:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 19:28:17,391 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:17,392 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] [2020-12-04 19:28:17,393 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:17,400 INFO L82 PathProgramCache]: Analyzing trace with hash 546734931, now seen corresponding path program 1 times [2020-12-04 19:28:17,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:17,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096760131] [2020-12-04 19:28:17,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:17,850 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 19:28:17,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096760131] [2020-12-04 19:28:17,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:17,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 19:28:17,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751593232] [2020-12-04 19:28:17,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 19:28:17,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:17,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 19:28:17,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 19:28:17,884 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-12-04 19:28:17,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:17,913 INFO L93 Difference]: Finished difference Result 111 states and 154 transitions. [2020-12-04 19:28:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 19:28:17,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 31 [2020-12-04 19:28:17,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:17,926 INFO L225 Difference]: With dead ends: 111 [2020-12-04 19:28:17,927 INFO L226 Difference]: Without dead ends: 51 [2020-12-04 19:28:17,931 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 19:28:17,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-04 19:28:17,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-04 19:28:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-04 19:28:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2020-12-04 19:28:17,979 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 31 [2020-12-04 19:28:17,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:17,979 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2020-12-04 19:28:17,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 19:28:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2020-12-04 19:28:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 19:28:17,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:17,982 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] [2020-12-04 19:28:17,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 19:28:17,982 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:17,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:17,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2045186899, now seen corresponding path program 1 times [2020-12-04 19:28:17,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:17,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450713086] [2020-12-04 19:28:17,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:18,461 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 19:28:18,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450713086] [2020-12-04 19:28:18,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:18,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 19:28:18,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661618857] [2020-12-04 19:28:18,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 19:28:18,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:18,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 19:28:18,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-04 19:28:18,467 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand 4 states. [2020-12-04 19:28:18,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:18,697 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2020-12-04 19:28:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 19:28:18,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-04 19:28:18,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:18,700 INFO L225 Difference]: With dead ends: 97 [2020-12-04 19:28:18,700 INFO L226 Difference]: Without dead ends: 76 [2020-12-04 19:28:18,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-04 19:28:18,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-12-04 19:28:18,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 53. [2020-12-04 19:28:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-04 19:28:18,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2020-12-04 19:28:18,712 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 31 [2020-12-04 19:28:18,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:18,713 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2020-12-04 19:28:18,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 19:28:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2020-12-04 19:28:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-04 19:28:18,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:18,715 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] [2020-12-04 19:28:18,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 19:28:18,716 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:18,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:18,717 INFO L82 PathProgramCache]: Analyzing trace with hash -474773035, now seen corresponding path program 1 times [2020-12-04 19:28:18,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:18,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029687975] [2020-12-04 19:28:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:19,034 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 19:28:19,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029687975] [2020-12-04 19:28:19,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:19,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 19:28:19,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726466941] [2020-12-04 19:28:19,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 19:28:19,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:19,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 19:28:19,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 19:28:19,057 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand 4 states. [2020-12-04 19:28:19,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:19,143 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2020-12-04 19:28:19,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 19:28:19,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-04 19:28:19,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:19,154 INFO L225 Difference]: With dead ends: 58 [2020-12-04 19:28:19,155 INFO L226 Difference]: Without dead ends: 56 [2020-12-04 19:28:19,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 19:28:19,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-12-04 19:28:19,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2020-12-04 19:28:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-04 19:28:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2020-12-04 19:28:19,188 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 31 [2020-12-04 19:28:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:19,190 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2020-12-04 19:28:19,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 19:28:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2020-12-04 19:28:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 19:28:19,193 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:19,194 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] [2020-12-04 19:28:19,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 19:28:19,195 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:19,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1904869812, now seen corresponding path program 1 times [2020-12-04 19:28:19,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:19,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392460570] [2020-12-04 19:28:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:19,596 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 19:28:19,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392460570] [2020-12-04 19:28:19,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:19,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 19:28:19,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981531003] [2020-12-04 19:28:19,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 19:28:19,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:19,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 19:28:19,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 19:28:19,600 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand 5 states. [2020-12-04 19:28:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:19,750 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2020-12-04 19:28:19,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 19:28:19,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-04 19:28:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:19,754 INFO L225 Difference]: With dead ends: 102 [2020-12-04 19:28:19,754 INFO L226 Difference]: Without dead ends: 87 [2020-12-04 19:28:19,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 19:28:19,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-04 19:28:19,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 79. [2020-12-04 19:28:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-04 19:28:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 99 transitions. [2020-12-04 19:28:19,768 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 99 transitions. Word has length 36 [2020-12-04 19:28:19,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:19,768 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 99 transitions. [2020-12-04 19:28:19,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 19:28:19,769 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2020-12-04 19:28:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-04 19:28:19,770 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:19,770 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] [2020-12-04 19:28:19,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 19:28:19,771 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:19,772 INFO L82 PathProgramCache]: Analyzing trace with hash 451092579, now seen corresponding path program 1 times [2020-12-04 19:28:19,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:19,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931763094] [2020-12-04 19:28:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:19,891 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 19:28:19,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931763094] [2020-12-04 19:28:19,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:19,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-04 19:28:19,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414099918] [2020-12-04 19:28:19,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-04 19:28:19,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:19,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-04 19:28:19,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 19:28:19,894 INFO L87 Difference]: Start difference. First operand 79 states and 99 transitions. Second operand 3 states. [2020-12-04 19:28:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:19,922 INFO L93 Difference]: Finished difference Result 124 states and 154 transitions. [2020-12-04 19:28:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-04 19:28:19,923 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-04 19:28:19,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:19,924 INFO L225 Difference]: With dead ends: 124 [2020-12-04 19:28:19,924 INFO L226 Difference]: Without dead ends: 81 [2020-12-04 19:28:19,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 19:28:19,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-12-04 19:28:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2020-12-04 19:28:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-04 19:28:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions. [2020-12-04 19:28:19,944 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 37 [2020-12-04 19:28:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:19,944 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions. [2020-12-04 19:28:19,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-04 19:28:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2020-12-04 19:28:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-04 19:28:19,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:19,949 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] [2020-12-04 19:28:19,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 19:28:19,949 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:19,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:19,950 INFO L82 PathProgramCache]: Analyzing trace with hash 675420878, now seen corresponding path program 1 times [2020-12-04 19:28:19,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:19,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404019859] [2020-12-04 19:28:19,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:20,251 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 19:28:20,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404019859] [2020-12-04 19:28:20,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:20,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 19:28:20,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189167064] [2020-12-04 19:28:20,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 19:28:20,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:20,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 19:28:20,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 19:28:20,255 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand 5 states. [2020-12-04 19:28:20,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:20,374 INFO L93 Difference]: Finished difference Result 88 states and 107 transitions. [2020-12-04 19:28:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 19:28:20,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-12-04 19:28:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:20,377 INFO L225 Difference]: With dead ends: 88 [2020-12-04 19:28:20,378 INFO L226 Difference]: Without dead ends: 52 [2020-12-04 19:28:20,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 19:28:20,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-12-04 19:28:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-12-04 19:28:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-04 19:28:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2020-12-04 19:28:20,400 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 38 [2020-12-04 19:28:20,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:20,401 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2020-12-04 19:28:20,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 19:28:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2020-12-04 19:28:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-04 19:28:20,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:20,407 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] [2020-12-04 19:28:20,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 19:28:20,408 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:20,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1196461279, now seen corresponding path program 1 times [2020-12-04 19:28:20,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:20,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675870199] [2020-12-04 19:28:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:21,537 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2020-12-04 19:28:21,818 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-12-04 19:28:22,787 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-12-04 19:28:23,043 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2020-12-04 19:28:23,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:28:23,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675870199] [2020-12-04 19:28:23,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401551390] [2020-12-04 19:28:23,298 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 19:28:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:23,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 94 conjunts are in the unsatisfiable core [2020-12-04 19:28:24,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 19:28:24,357 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 19 treesize of output 15 [2020-12-04 19:28:24,359 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:24,532 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-12-04 19:28:24,533 INFO L625 ElimStorePlain]: treesize reduction 114, result has 43.8 percent of original size [2020-12-04 19:28:24,546 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 19:28:24,548 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:24,614 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:24,614 INFO L515 ElimStorePlain]: Eliminatee v_prenex_2 vanished before elimination [2020-12-04 19:28:24,614 INFO L515 ElimStorePlain]: Eliminatee v_prenex_3 vanished before elimination [2020-12-04 19:28:24,617 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:24,618 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:207, output treesize:85 [2020-12-04 19:28:24,952 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:28:24,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 19:28:25,308 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-12-04 19:28:25,580 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-04 19:28:25,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:25,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:25,954 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 25 treesize of output 24 [2020-12-04 19:28:25,956 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:25,970 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 23 treesize of output 22 [2020-12-04 19:28:25,972 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:26,050 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,054 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:26,055 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:137, output treesize:129 [2020-12-04 19:28:26,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,317 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,318 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2020-12-04 19:28:26,320 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,340 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,340 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2020-12-04 19:28:26,342 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:26,431 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,433 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:26,433 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:155, output treesize:147 [2020-12-04 19:28:26,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:26,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,681 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,682 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 48 [2020-12-04 19:28:26,688 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:26,712 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 46 [2020-12-04 19:28:26,715 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:26,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:26,816 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:26,816 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:173, output treesize:165 [2020-12-04 19:28:27,056 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-04 19:28:27,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:27,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,122 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:27,123 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 60 [2020-12-04 19:28:27,125 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:27,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,159 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:27,159 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 58 [2020-12-04 19:28:27,163 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:27,274 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-04 19:28:27,275 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:27,277 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:27,277 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:191, output treesize:183 [2020-12-04 19:28:27,540 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-04 19:28:27,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:27,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,631 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:27,632 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 72 [2020-12-04 19:28:27,637 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:27,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:27,677 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:27,677 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 70 [2020-12-04 19:28:27,682 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:27,819 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 19:28:27,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:27,823 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:27,824 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:209, output treesize:201 [2020-12-04 19:28:28,118 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 19:28:28,138 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 14, 1] term [2020-12-04 19:28:28,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:28,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,190 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:28,191 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 100 [2020-12-04 19:28:28,195 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:28,427 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-12-04 19:28:28,429 INFO L625 ElimStorePlain]: treesize reduction 16, result has 94.3 percent of original size [2020-12-04 19:28:28,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:28,476 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:28,477 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 98 [2020-12-04 19:28:28,481 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:28,737 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-12-04 19:28:28,740 INFO L625 ElimStorePlain]: treesize reduction 16, result has 94.1 percent of original size [2020-12-04 19:28:28,744 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 19:28:28,746 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:277, output treesize:253 [2020-12-04 19:28:29,035 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-04 19:28:29,329 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-04 19:28:29,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:29,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 19:28:29,576 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-04 19:28:29,763 INFO L757 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-12-04 19:28:29,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:30,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 19:28:30,226 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:28:30,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:30,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 19:28:30,675 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:28:32,902 WARN L197 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 207 DAG size of output: 205 [2020-12-04 19:28:33,149 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 4 disjuncts [2020-12-04 19:28:34,172 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-12-04 19:28:34,231 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 11, 1] term [2020-12-04 19:28:34,231 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-04 19:28:34,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,308 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:28:34,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 19:28:34,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 19:28:34,345 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 19:28:34,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 25 disjuncts [2020-12-04 19:28:34,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:28:34,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,460 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 19:28:34,470 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 19:28:34,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 19:28:34,477 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 19:28:34,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 25 disjuncts [2020-12-04 19:28:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 19:28:34,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-04 19:28:34,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 37 [2020-12-04 19:28:34,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138447763] [2020-12-04 19:28:34,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-12-04 19:28:34,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:34,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-12-04 19:28:34,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1208, Unknown=0, NotChecked=0, Total=1332 [2020-12-04 19:28:34,677 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 37 states. [2020-12-04 19:28:35,468 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-12-04 19:28:35,818 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2020-12-04 19:28:36,203 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 54 [2020-12-04 19:28:36,879 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2020-12-04 19:28:37,528 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 70 [2020-12-04 19:28:38,280 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 76 [2020-12-04 19:28:38,964 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 80 [2020-12-04 19:28:39,670 WARN L197 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 84 [2020-12-04 19:28:40,569 WARN L197 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 88 [2020-12-04 19:28:41,467 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 91 [2020-12-04 19:28:42,593 WARN L197 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 96 [2020-12-04 19:28:43,400 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 97 [2020-12-04 19:28:44,185 WARN L197 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 93 [2020-12-04 19:28:45,047 WARN L197 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 89 [2020-12-04 19:28:45,853 WARN L197 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 85 [2020-12-04 19:28:46,538 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 80 [2020-12-04 19:28:47,454 WARN L197 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2020-12-04 19:28:48,107 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 76 [2020-12-04 19:28:52,112 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-12-04 19:28:52,889 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 61 [2020-12-04 19:28:55,265 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 203 DAG size of output: 143 [2020-12-04 19:28:56,020 WARN L197 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 98 [2020-12-04 19:29:01,467 WARN L197 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 362 DAG size of output: 299 [2020-12-04 19:29:02,098 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2020-12-04 19:29:03,021 WARN L197 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 108 [2020-12-04 19:29:45,470 WARN L197 SmtUtils]: Spent 42.09 s on a formula simplification. DAG size of input: 407 DAG size of output: 229 [2020-12-04 19:29:46,506 WARN L197 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 100 [2020-12-04 19:29:48,669 WARN L197 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 201 DAG size of output: 141 [2020-12-04 19:30:05,939 WARN L197 SmtUtils]: Spent 14.79 s on a formula simplification. DAG size of input: 409 DAG size of output: 231 [2020-12-04 19:30:06,962 WARN L197 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 96 [2020-12-04 19:30:07,993 WARN L197 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 102 [2020-12-04 19:30:35,575 WARN L197 SmtUtils]: Spent 22.63 s on a formula simplification. DAG size of input: 333 DAG size of output: 188 [2020-12-04 19:30:40,390 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 216 DAG size of output: 145 [2020-12-04 19:30:47,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:30:47,115 INFO L93 Difference]: Finished difference Result 201 states and 239 transitions. [2020-12-04 19:30:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-12-04 19:30:47,116 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 39 [2020-12-04 19:30:47,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:30:47,119 INFO L225 Difference]: With dead ends: 201 [2020-12-04 19:30:47,119 INFO L226 Difference]: Without dead ends: 199 [2020-12-04 19:30:47,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 20 SyntacticMatches, 6 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 127.3s TimeCoverageRelationStatistics Valid=1057, Invalid=4197, Unknown=2, NotChecked=0, Total=5256 [2020-12-04 19:30:47,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-04 19:30:47,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 83. [2020-12-04 19:30:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-04 19:30:47,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 104 transitions. [2020-12-04 19:30:47,136 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 104 transitions. Word has length 39 [2020-12-04 19:30:47,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:30:47,136 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 104 transitions. [2020-12-04 19:30:47,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-12-04 19:30:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2020-12-04 19:30:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-04 19:30:47,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:30:47,138 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] [2020-12-04 19:30:47,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-04 19:30:47,353 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:30:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:30:47,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2087388767, now seen corresponding path program 1 times [2020-12-04 19:30:47,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:30:47,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616398927] [2020-12-04 19:30:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:30:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:30:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-04 19:30:47,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616398927] [2020-12-04 19:30:47,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:30:47,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-04 19:30:47,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373399399] [2020-12-04 19:30:47,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-04 19:30:47,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:30:47,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-04 19:30:47,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 19:30:47,448 INFO L87 Difference]: Start difference. First operand 83 states and 104 transitions. Second operand 3 states. [2020-12-04 19:30:47,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:30:47,580 INFO L93 Difference]: Finished difference Result 166 states and 214 transitions. [2020-12-04 19:30:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-04 19:30:47,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-04 19:30:47,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:30:47,583 INFO L225 Difference]: With dead ends: 166 [2020-12-04 19:30:47,583 INFO L226 Difference]: Without dead ends: 108 [2020-12-04 19:30:47,584 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 19:30:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-04 19:30:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2020-12-04 19:30:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-04 19:30:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2020-12-04 19:30:47,597 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 39 [2020-12-04 19:30:47,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:30:47,597 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2020-12-04 19:30:47,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-04 19:30:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2020-12-04 19:30:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-04 19:30:47,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:30:47,599 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] [2020-12-04 19:30:47,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-04 19:30:47,599 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:30:47,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:30:47,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1660631531, now seen corresponding path program 1 times [2020-12-04 19:30:47,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:30:47,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383079758] [2020-12-04 19:30:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:30:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 19:30:47,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 19:30:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 19:30:47,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 19:30:47,741 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-04 19:30:47,741 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-04 19:30:47,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-04 19:30:47,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 07:30:47 BoogieIcfgContainer [2020-12-04 19:30:47,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 19:30:47,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 19:30:47,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 19:30:47,834 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 19:30:47,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:28:17" (3/4) ... [2020-12-04 19:30:47,840 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 19:30:47,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 19:30:47,842 INFO L168 Benchmark]: Toolchain (without parser) took 154961.54 ms. Allocated memory was 48.2 MB in the beginning and 255.9 MB in the end (delta: 207.6 MB). Free memory was 30.4 MB in the beginning and 83.3 MB in the end (delta: -52.8 MB). Peak memory consumption was 157.4 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:47,847 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 39.8 MB. Free memory is still 20.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:30:47,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2965.29 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 29.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:47,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.76 ms. Allocated memory is still 71.3 MB. Free memory was 29.1 MB in the beginning and 23.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:47,851 INFO L168 Benchmark]: Boogie Preprocessor took 60.95 ms. Allocated memory is still 71.3 MB. Free memory was 23.7 MB in the beginning and 21.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:47,852 INFO L168 Benchmark]: RCFGBuilder took 1227.34 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 21.6 MB in the beginning and 51.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:47,853 INFO L168 Benchmark]: TraceAbstraction took 150548.70 ms. Allocated memory was 96.5 MB in the beginning and 255.9 MB in the end (delta: 159.4 MB). Free memory was 50.4 MB in the beginning and 83.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:47,853 INFO L168 Benchmark]: Witness Printer took 6.80 ms. Allocated memory is still 255.9 MB. Free memory is still 83.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:30:47,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 39.8 MB. Free memory is still 20.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2965.29 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 30.2 MB in the beginning and 29.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.76 ms. Allocated memory is still 71.3 MB. Free memory was 29.1 MB in the beginning and 23.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.95 ms. Allocated memory is still 71.3 MB. Free memory was 23.7 MB in the beginning and 21.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1227.34 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 21.6 MB in the beginning and 51.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 150548.70 ms. Allocated memory was 96.5 MB in the beginning and 255.9 MB in the end (delta: 159.4 MB). Free memory was 50.4 MB in the beginning and 83.3 MB in the end (delta: -32.8 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.80 ms. Allocated memory is still 255.9 MB. Free memory is still 83.3 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: overapproximation of bitwiseAnd at line 5884. Possible FailurePath: [L5937] short d1[160]; [L5938] short d2[160]; [L5939] int c; [L5940] unsigned size; [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L5871] COND TRUE n > 0 [L5872] char *sp = (char *)s; [L5873] unsigned long i = 0; [L5873] COND TRUE i < n [L5874] sp[i] = c [L5873] i++ [L5873] COND FALSE !(i < n) [L5876] return s; [L211] COND FALSE !(!cond) [L5883] size_t num_uint64s = n >> 3; [L5884] size_t rem = n & 0x7; [L5886] uint8_t *d = (uint8_t *)dst; [L5890] case 7: [L5892] case 6: [L5894] case 5: [L5896] case 4: [L5898] case 3: [L5900] case 2: [L5902] case 1: [L5906] d += rem [L5908] uint64_t compounded = 0; [L5909] COND FALSE !(num_uint64s > 0 && c != 0) [L5921] size_t i = 0; [L5921] COND FALSE !(i < num_uint64s) [L5925] return dst; [L5908] uint64_t compounded = 0; [L5925] return dst; [L223] COND FALSE !(!cond) [L5655-L5658] COND TRUE len > 0 && a != ((void *)0) && b != ((void *)0) [L266] return __VERIFIER_nondet_ulong(); [L5660] size_t i = nondet_uint64_t(); [L211] COND FALSE !(!cond) [L5664] a[i] [L5664] b[i] [L223] COND TRUE !cond [L223] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 150.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 133.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 1752 SDslu, 1206 SDs, 0 SdLazy, 931 SolverSat, 501 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 35 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 127.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=8, 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, 8 MinimizatonAttempts, 154 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 312 ConstructedInterpolants, 2 QuantifiedInterpolants, 366328 SizeOfPredicates, 47 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 1/3 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 19:30:50,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:30:50,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:30:50,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:30:50,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:30:50,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:30:50,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:30:50,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:30:50,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:30:50,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:30:50,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:30:50,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:30:50,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:30:50,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:30:50,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:30:50,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:30:50,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:30:50,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:30:50,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:30:50,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:30:50,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:30:50,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:30:50,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:30:50,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:30:50,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:30:50,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:30:50,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:30:50,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:30:50,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:30:50,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:30:50,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:30:50,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:30:50,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:30:50,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:30:50,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:30:50,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:30:50,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:30:50,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:30:50,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:30:50,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:30:50,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:30:50,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 19:30:50,750 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:30:50,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:30:50,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:30:50,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:30:50,753 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:30:50,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:30:50,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:30:50,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:30:50,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:30:50,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:30:50,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 19:30:50,755 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 19:30:50,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:30:50,756 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:30:50,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:30:50,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:30:50,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:30:50,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:30:50,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:30:50,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:30:50,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:30:50,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:30:50,759 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 19:30:50,759 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 19:30:50,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:30:50,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:30:50,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 19:30:50,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7696cc44c0c47eff983196be1072383d407d9604 [2020-12-04 19:30:51,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:30:51,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:30:51,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:30:51,284 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:30:51,287 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:30:51,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memset_using_uint64_harness.i [2020-12-04 19:30:51,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460aed76a/7d1539be934348c48dbc42895be952c0/FLAG107529397 [2020-12-04 19:30:52,400 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:30:52,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memset_using_uint64_harness.i [2020-12-04 19:30:52,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460aed76a/7d1539be934348c48dbc42895be952c0/FLAG107529397 [2020-12-04 19:30:52,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/460aed76a/7d1539be934348c48dbc42895be952c0 [2020-12-04 19:30:52,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:30:52,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:30:52,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:30:52,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:30:52,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:30:52,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:30:52" (1/1) ... [2020-12-04 19:30:52,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a186c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:30:52, skipping insertion in model container [2020-12-04 19:30:52,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:30:52" (1/1) ... [2020-12-04 19:30:52,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:30:52,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:30:52,938 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/memset_using_uint64_harness.i[4493,4506] [2020-12-04 19:30:52,944 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/memset_using_uint64_harness.i[4553,4566] [2020-12-04 19:30:52,964 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:30:52,969 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:30:53,674 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,675 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,678 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,679 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,683 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,722 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,725 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,728 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,729 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,732 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,736 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,740 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,741 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:53,981 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:30:53,983 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:30:53,984 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:30:53,986 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:30:53,987 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:30:53,989 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:30:53,989 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:30:53,990 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:30:53,991 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:30:53,992 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:30:54,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:30:54,119 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:30:54,138 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/memset_using_uint64_harness.i[4493,4506] [2020-12-04 19:30:54,139 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/memset_using_uint64_harness.i[4553,4566] [2020-12-04 19:30:54,141 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:30:54,143 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:30:54,198 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,199 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,200 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,201 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,204 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,217 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,218 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,219 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,220 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,221 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,223 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,223 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,224 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:30:54,274 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:30:54,276 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:30:54,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:30:54,278 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:30:54,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:30:54,280 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:30:54,281 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:30:54,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:30:54,283 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:30:54,283 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:30:54,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:30:55,090 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:30:55,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:30:55 WrapperNode [2020-12-04 19:30:55,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:30:55,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:30:55,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:30:55,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:30:55,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:30:55" (1/1) ... [2020-12-04 19:30:55,182 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 19:30:55,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:30:55" (1/1) ... [2020-12-04 19:30:55,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:30:55,238 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 19:30:55,241 INFO L168 Benchmark]: Toolchain (without parser) took 2719.25 ms. Allocated memory was 44.0 MB in the beginning and 73.4 MB in the end (delta: 29.4 MB). Free memory was 25.6 MB in the beginning and 41.1 MB in the end (delta: -15.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:55,242 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 35.7 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:30:55,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2567.88 ms. Allocated memory was 44.0 MB in the beginning and 73.4 MB in the end (delta: 29.4 MB). Free memory was 25.3 MB in the beginning and 44.0 MB in the end (delta: -18.7 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:55,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.06 ms. Allocated memory is still 73.4 MB. Free memory was 44.0 MB in the beginning and 41.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:30:55,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 35.7 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 29.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2567.88 ms. Allocated memory was 44.0 MB in the beginning and 73.4 MB in the end (delta: 29.4 MB). Free memory was 25.3 MB in the beginning and 44.0 MB in the end (delta: -18.7 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.06 ms. Allocated memory is still 73.4 MB. Free memory was 44.0 MB in the beginning and 41.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 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...