./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memcpy_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/memcpy_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 1b40c4dfc3dddfa5e806142fe5502f02bb064f03 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memcpy_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 1b40c4dfc3dddfa5e806142fe5502f02bb064f03 ................................................................................................................................................................................................ 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 19:27:46,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:27:46,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:27:46,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:27:46,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:27:46,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:27:46,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:27:46,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:27:46,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:27:46,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:27:46,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:27:46,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:27:46,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:27:46,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:27:47,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:27:47,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:27:47,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:27:47,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:27:47,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:27:47,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:27:47,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:27:47,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:27:47,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:27:47,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:27:47,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:27:47,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:27:47,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:27:47,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:27:47,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:27:47,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:27:47,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:27:47,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:27:47,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:27:47,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:27:47,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:27:47,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:27:47,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:27:47,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:27:47,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:27:47,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:27:47,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:27:47,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 19:27:47,144 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:27:47,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:27:47,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:27:47,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:27:47,149 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:27:47,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:27:47,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 19:27:47,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:27:47,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:27:47,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:27:47,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:27:47,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:27:47,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:27:47,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:27:47,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:27:47,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:27:47,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:27:47,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:27:47,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:27:47,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:27:47,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:27:47,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 19:27:47,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 19:27:47,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:27:47,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:27:47,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b40c4dfc3dddfa5e806142fe5502f02bb064f03 [2020-12-04 19:27:47,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:27:47,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:27:47,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:27:47,646 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:27:47,647 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:27:47,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memcpy_using_uint64_harness.i [2020-12-04 19:27:47,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee977f003/49eba6c74a764914bcf5bd7dce31071f/FLAG223580738 [2020-12-04 19:27:48,880 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:27:48,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memcpy_using_uint64_harness.i [2020-12-04 19:27:48,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee977f003/49eba6c74a764914bcf5bd7dce31071f/FLAG223580738 [2020-12-04 19:27:49,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee977f003/49eba6c74a764914bcf5bd7dce31071f [2020-12-04 19:27:49,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:27:49,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:27:49,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:27:49,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:27:49,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:27:49,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:27:49" (1/1) ... [2020-12-04 19:27:49,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45037422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:49, skipping insertion in model container [2020-12-04 19:27:49,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:27:49" (1/1) ... [2020-12-04 19:27:49,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:27:49,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:27:49,777 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/memcpy_using_uint64_harness.i[4493,4506] [2020-12-04 19:27:49,785 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/memcpy_using_uint64_harness.i[4553,4566] [2020-12-04 19:27:49,805 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:27:49,811 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:27:50,565 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,566 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,567 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,570 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,575 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,616 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,620 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,623 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,624 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,651 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,653 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,654 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,654 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:50,882 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:27:50,885 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:27:50,889 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:27:50,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:27:50,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:27:50,896 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:27:50,899 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:27:50,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:27:50,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:27:50,903 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:27:51,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:27:51,034 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:27:51,053 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/memcpy_using_uint64_harness.i[4493,4506] [2020-12-04 19:27:51,054 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/memcpy_using_uint64_harness.i[4553,4566] [2020-12-04 19:27:51,056 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:27:51,057 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:27:51,106 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,107 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,108 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,109 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,110 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,163 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,164 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,165 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,166 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,167 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,168 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,169 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,169 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:27:51,190 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:27:51,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:27:51,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:27:51,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:27:51,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:27:51,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:27:51,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:27:51,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:27:51,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:27:51,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:27:51,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:27:51,861 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:27:51,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51 WrapperNode [2020-12-04 19:27:51,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:27:51,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:27:51,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:27:51,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:27:51,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:51,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:27:52,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 19:27:52,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 19:27:52,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 19:27:52,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (1/1) ... [2020-12-04 19:27:52,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 19:27:52,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 19:27:52,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 19:27:52,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 19:27:52,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (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 19:27:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 19:27:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 19:27:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 19:27:52,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 19:27:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 19:27:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 19:27:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 19:27:52,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 19:27:52,991 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-04 19:27:52,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:27:52 BoogieIcfgContainer [2020-12-04 19:27:52,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 19:27:52,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 19:27:52,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 19:27:53,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 19:27:53,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 07:27:49" (1/3) ... [2020-12-04 19:27:53,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc6035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:27:53, skipping insertion in model container [2020-12-04 19:27:53,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:27:51" (2/3) ... [2020-12-04 19:27:53,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc6035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:27:53, skipping insertion in model container [2020-12-04 19:27:53,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:27:52" (3/3) ... [2020-12-04 19:27:53,007 INFO L111 eAbstractionObserver]: Analyzing ICFG memcpy_using_uint64_harness.i [2020-12-04 19:27:53,029 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 19:27:53,035 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-04 19:27:53,054 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-04 19:27:53,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 19:27:53,092 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 19:27:53,093 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 19:27:53,093 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 19:27:53,093 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 19:27:53,093 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 19:27:53,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 19:27:53,094 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 19:27:53,117 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2020-12-04 19:27:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-04 19:27:53,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:27:53,128 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 19:27:53,129 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:27:53,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:27:53,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1414607754, now seen corresponding path program 1 times [2020-12-04 19:27:53,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:27:53,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698917759] [2020-12-04 19:27:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:27:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:27:53,575 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 19:27:53,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698917759] [2020-12-04 19:27:53,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:27:53,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 19:27:53,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737017848] [2020-12-04 19:27:53,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 19:27:53,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:27:53,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 19:27:53,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 19:27:53,616 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2020-12-04 19:27:53,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:27:53,677 INFO L93 Difference]: Finished difference Result 105 states and 146 transitions. [2020-12-04 19:27:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 19:27:53,679 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 38 [2020-12-04 19:27:53,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:27:53,691 INFO L225 Difference]: With dead ends: 105 [2020-12-04 19:27:53,692 INFO L226 Difference]: Without dead ends: 48 [2020-12-04 19:27:53,699 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 19:27:53,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-04 19:27:53,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-12-04 19:27:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-12-04 19:27:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2020-12-04 19:27:53,763 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 38 [2020-12-04 19:27:53,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:27:53,764 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2020-12-04 19:27:53,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 19:27:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2020-12-04 19:27:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-04 19:27:53,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:27:53,769 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 19:27:53,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 19:27:53,771 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:27:53,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:27:53,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1698185984, now seen corresponding path program 1 times [2020-12-04 19:27:53,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:27:53,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870999872] [2020-12-04 19:27:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:27:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:27:54,380 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 19:27:54,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870999872] [2020-12-04 19:27:54,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:27:54,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 19:27:54,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826587116] [2020-12-04 19:27:54,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 19:27:54,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:27:54,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 19:27:54,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 19:27:54,393 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand 4 states. [2020-12-04 19:27:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:27:54,438 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2020-12-04 19:27:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 19:27:54,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-12-04 19:27:54,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:27:54,441 INFO L225 Difference]: With dead ends: 48 [2020-12-04 19:27:54,441 INFO L226 Difference]: Without dead ends: 46 [2020-12-04 19:27:54,442 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 19:27:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-12-04 19:27:54,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-12-04 19:27:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-12-04 19:27:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2020-12-04 19:27:54,449 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 38 [2020-12-04 19:27:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:27:54,450 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2020-12-04 19:27:54,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 19:27:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2020-12-04 19:27:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-04 19:27:54,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:27:54,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:27:54,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 19:27:54,452 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:27:54,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:27:54,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1514554385, now seen corresponding path program 1 times [2020-12-04 19:27:54,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:27:54,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764623755] [2020-12-04 19:27:54,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:27:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:27:55,066 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 19:27:55,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764623755] [2020-12-04 19:27:55,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:27:55,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 19:27:55,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529702277] [2020-12-04 19:27:55,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 19:27:55,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:27:55,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 19:27:55,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-04 19:27:55,082 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand 9 states. [2020-12-04 19:27:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:27:55,539 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2020-12-04 19:27:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 19:27:55,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-12-04 19:27:55,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:27:55,547 INFO L225 Difference]: With dead ends: 82 [2020-12-04 19:27:55,547 INFO L226 Difference]: Without dead ends: 48 [2020-12-04 19:27:55,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-12-04 19:27:55,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-12-04 19:27:55,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2020-12-04 19:27:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-04 19:27:55,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2020-12-04 19:27:55,565 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 43 [2020-12-04 19:27:55,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:27:55,567 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2020-12-04 19:27:55,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 19:27:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2020-12-04 19:27:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 19:27:55,569 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:27:55,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:27:55,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 19:27:55,569 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:27:55,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:27:55,571 INFO L82 PathProgramCache]: Analyzing trace with hash -793051569, now seen corresponding path program 1 times [2020-12-04 19:27:55,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:27:55,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782736133] [2020-12-04 19:27:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:27:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:27:56,731 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2020-12-04 19:27:56,861 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-12-04 19:27:57,097 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 47 [2020-12-04 19:27:57,281 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 43 [2020-12-04 19:27:58,389 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 19:27:58,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782736133] [2020-12-04 19:27:58,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431715089] [2020-12-04 19:27:58,391 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 19:27:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:27:58,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 111 conjunts are in the unsatisfiable core [2020-12-04 19:27:58,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 19:27:59,108 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2020-12-04 19:27:59,111 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:27:59,153 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:27:59,154 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:27:59,155 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:21 [2020-12-04 19:27:59,415 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-04 19:27:59,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:27:59,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-04 19:27:59,921 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:27:59,936 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2020-12-04 19:27:59,939 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:00,043 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-12-04 19:28:00,044 INFO L625 ElimStorePlain]: treesize reduction 145, result has 28.2 percent of original size [2020-12-04 19:28:00,044 INFO L515 ElimStorePlain]: Eliminatee v_prenex_1 vanished before elimination [2020-12-04 19:28:00,045 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:00,045 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:275, output treesize:57 [2020-12-04 19:28:00,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:00,672 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 36 [2020-12-04 19:28:00,675 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:00,714 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:00,716 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:00,716 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:71, output treesize:67 [2020-12-04 19:28:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:00,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:00,873 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 57 [2020-12-04 19:28:00,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:00,921 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:00,923 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:00,924 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:82 [2020-12-04 19:28:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,089 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 78 [2020-12-04 19:28:01,093 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,135 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:01,137 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:101, output treesize:97 [2020-12-04 19:28:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,313 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 19 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 99 [2020-12-04 19:28:01,317 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,376 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:01,379 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,379 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:116, output treesize:112 [2020-12-04 19:28:01,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,611 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 28 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 120 [2020-12-04 19:28:01,616 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,666 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:01,668 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,669 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:131, output treesize:127 [2020-12-04 19:28:01,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:01,890 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 39 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 141 [2020-12-04 19:28:01,897 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,952 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:01,955 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 19:28:01,955 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:146, output treesize:142 [2020-12-04 19:28:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 19:28:02,220 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 139 [2020-12-04 19:28:02,224 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 19:28:02,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 19:28:02,272 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 19:28:02,273 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:136, output treesize:132 [2020-12-04 19:28:02,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 19:28:03,228 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2020-12-04 19:28:03,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 19:28:03,520 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 19:28:03,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-04 19:28:03,533 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 19:28:03,537 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-04 19:28:03,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 20 disjuncts [2020-12-04 19:28:03,685 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 19:28:03,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-04 19:28:03,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23] total 41 [2020-12-04 19:28:03,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795309949] [2020-12-04 19:28:03,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-12-04 19:28:03,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:03,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-12-04 19:28:03,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1486, Unknown=0, NotChecked=0, Total=1640 [2020-12-04 19:28:03,689 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand 41 states. [2020-12-04 19:28:04,511 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2020-12-04 19:28:04,728 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2020-12-04 19:28:04,948 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-12-04 19:28:05,354 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2020-12-04 19:28:05,689 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-12-04 19:28:06,090 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2020-12-04 19:28:06,482 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2020-12-04 19:28:06,889 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 95 [2020-12-04 19:28:07,348 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 101 [2020-12-04 19:28:07,809 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 107 [2020-12-04 19:28:08,344 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 113 [2020-12-04 19:28:08,952 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 118 [2020-12-04 19:28:09,614 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 121 [2020-12-04 19:28:10,125 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2020-12-04 19:28:10,591 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 110 [2020-12-04 19:28:11,045 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 104 [2020-12-04 19:28:11,461 WARN L197 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 98 [2020-12-04 19:28:11,866 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 92 [2020-12-04 19:28:12,258 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 86 [2020-12-04 19:28:12,608 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2020-12-04 19:28:12,913 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2020-12-04 19:28:13,584 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 147 [2020-12-04 19:28:13,935 WARN L197 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2020-12-04 19:28:14,767 WARN L197 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 169 [2020-12-04 19:28:15,246 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 102 [2020-12-04 19:28:15,867 WARN L197 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 160 [2020-12-04 19:28:16,297 WARN L197 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 97 [2020-12-04 19:28:16,963 WARN L197 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 162 [2020-12-04 19:28:17,407 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 99 [2020-12-04 19:28:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:17,428 INFO L93 Difference]: Finished difference Result 158 states and 196 transitions. [2020-12-04 19:28:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-04 19:28:17,430 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 45 [2020-12-04 19:28:17,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:17,433 INFO L225 Difference]: With dead ends: 158 [2020-12-04 19:28:17,433 INFO L226 Difference]: Without dead ends: 140 [2020-12-04 19:28:17,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=982, Invalid=4568, Unknown=0, NotChecked=0, Total=5550 [2020-12-04 19:28:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-12-04 19:28:17,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 72. [2020-12-04 19:28:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-04 19:28:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 88 transitions. [2020-12-04 19:28:17,452 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 88 transitions. Word has length 45 [2020-12-04 19:28:17,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:17,452 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 88 transitions. [2020-12-04 19:28:17,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-12-04 19:28:17,453 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2020-12-04 19:28:17,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 19:28:17,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:17,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:28:17,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 19:28:17,669 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:17,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:17,671 INFO L82 PathProgramCache]: Analyzing trace with hash -534886131, now seen corresponding path program 1 times [2020-12-04 19:28:17,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:17,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133108159] [2020-12-04 19:28:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 19:28:17,767 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 19:28:17,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133108159] [2020-12-04 19:28:17,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 19:28:17,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-04 19:28:17,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168549538] [2020-12-04 19:28:17,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-04 19:28:17,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 19:28:17,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-04 19:28:17,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 19:28:17,770 INFO L87 Difference]: Start difference. First operand 72 states and 88 transitions. Second operand 3 states. [2020-12-04 19:28:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 19:28:17,841 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2020-12-04 19:28:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-04 19:28:17,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-04 19:28:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 19:28:17,844 INFO L225 Difference]: With dead ends: 132 [2020-12-04 19:28:17,844 INFO L226 Difference]: Without dead ends: 97 [2020-12-04 19:28:17,845 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 19:28:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-12-04 19:28:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-12-04 19:28:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-04 19:28:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-12-04 19:28:17,857 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 45 [2020-12-04 19:28:17,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 19:28:17,858 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-12-04 19:28:17,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-04 19:28:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-12-04 19:28:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 19:28:17,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 19:28:17,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 19:28:17,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 19:28:17,861 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 19:28:17,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 19:28:17,861 INFO L82 PathProgramCache]: Analyzing trace with hash -999056383, now seen corresponding path program 1 times [2020-12-04 19:28:17,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 19:28:17,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846499498] [2020-12-04 19:28:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 19:28:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 19:28:17,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 19:28:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-04 19:28:18,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-04 19:28:18,117 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-04 19:28:18,118 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-04 19:28:18,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 19:28:18,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 07:28:18 BoogieIcfgContainer [2020-12-04 19:28:18,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 19:28:18,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 19:28:18,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 19:28:18,233 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 19:28:18,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:27:52" (3/4) ... [2020-12-04 19:28:18,239 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 19:28:18,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 19:28:18,241 INFO L168 Benchmark]: Toolchain (without parser) took 28919.26 ms. Allocated memory was 44.0 MB in the beginning and 220.2 MB in the end (delta: 176.2 MB). Free memory was 25.5 MB in the beginning and 86.2 MB in the end (delta: -60.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:18,242 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 35.7 MB. Free memory was 18.5 MB in the beginning and 18.4 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:28:18,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2539.06 ms. Allocated memory was 44.0 MB in the beginning and 83.9 MB in the end (delta: 39.8 MB). Free memory was 25.2 MB in the beginning and 47.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:18,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.61 ms. Allocated memory is still 83.9 MB. Free memory was 47.8 MB in the beginning and 42.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:18,244 INFO L168 Benchmark]: Boogie Preprocessor took 79.32 ms. Allocated memory is still 83.9 MB. Free memory was 42.8 MB in the beginning and 40.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:18,244 INFO L168 Benchmark]: RCFGBuilder took 878.53 ms. Allocated memory is still 83.9 MB. Free memory was 40.0 MB in the beginning and 34.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:18,251 INFO L168 Benchmark]: TraceAbstraction took 25235.23 ms. Allocated memory was 83.9 MB in the beginning and 220.2 MB in the end (delta: 136.3 MB). Free memory was 34.0 MB in the beginning and 86.2 MB in the end (delta: -52.2 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:18,255 INFO L168 Benchmark]: Witness Printer took 6.52 ms. Allocated memory is still 220.2 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:28:18,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 35.7 MB. Free memory was 18.5 MB in the beginning and 18.4 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2539.06 ms. Allocated memory was 44.0 MB in the beginning and 83.9 MB in the end (delta: 39.8 MB). Free memory was 25.2 MB in the beginning and 47.8 MB in the end (delta: -22.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 171.61 ms. Allocated memory is still 83.9 MB. Free memory was 47.8 MB in the beginning and 42.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.32 ms. Allocated memory is still 83.9 MB. Free memory was 42.8 MB in the beginning and 40.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 878.53 ms. Allocated memory is still 83.9 MB. Free memory was 40.0 MB in the beginning and 34.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25235.23 ms. Allocated memory was 83.9 MB in the beginning and 220.2 MB in the end (delta: 136.3 MB). Free memory was 34.0 MB in the beginning and 86.2 MB in the end (delta: -52.2 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. * Witness Printer took 6.52 ms. Allocated memory is still 220.2 MB. Free memory is still 86.2 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 5889. Possible FailurePath: [L5930] char s[160]; [L5931] char d1[160]; [L5932] char d2[160]; [L5934] unsigned size; [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L5873] unsigned long i = 0; [L5873] COND TRUE i < n [L5874] EXPR ((const char *)src)[i] [L5874] ((char *)dst)[i] = ((const char *)src)[i] [L5873] ++i [L5873] COND FALSE !(i < n) [L5876] return dst; [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L5888] size_t num_uint64s = n >> 3; [L5889] size_t rem = n & 0x7; [L5891] uint8_t *d = (uint8_t *)dst; [L5892] const uint8_t *s = (const uint8_t *)src; [L5896] case 7: [L5898] case 6: [L5900] case 5: [L5902] case 4: [L5904] case 3: [L5906] case 2: [L5908] case 1: [L5912] d += rem [L5913] s += rem [L5915] size_t i = 0; [L5915] COND FALSE !(i < num_uint64s) [L5919] 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, 54 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 25.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 224 SDtfs, 1332 SDslu, 804 SDs, 0 SdLazy, 757 SolverSat, 529 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 34 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 70 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 299 NumberOfCodeBlocks, 299 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 248 ConstructedInterpolants, 9 QuantifiedInterpolants, 276354 SizeOfPredicates, 53 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 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 19:28:21,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:28:21,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:28:21,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:28:21,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:28:21,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:28:21,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:28:21,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:28:21,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:28:21,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:28:21,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:28:21,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:28:21,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:28:21,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:28:21,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:28:21,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:28:21,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:28:21,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:28:21,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:28:21,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:28:21,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:28:21,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:28:21,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:28:21,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:28:21,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:28:21,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:28:21,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:28:21,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:28:21,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:28:21,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:28:21,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:28:21,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:28:21,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:28:21,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:28:21,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:28:21,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:28:21,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:28:21,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:28:21,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:28:21,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:28:21,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:28:21,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 19:28:21,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:28:21,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:28:21,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:28:21,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:28:21,372 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:28:21,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:28:21,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:28:21,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:28:21,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:28:21,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:28:21,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 19:28:21,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 19:28:21,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:28:21,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:28:21,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:28:21,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:28:21,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:28:21,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:28:21,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:28:21,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:28:21,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:28:21,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:28:21,379 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 19:28:21,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 19:28:21,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:28:21,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:28:21,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 19:28:21,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b40c4dfc3dddfa5e806142fe5502f02bb064f03 [2020-12-04 19:28:21,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:28:21,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:28:21,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:28:21,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:28:21,999 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:28:22,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memcpy_using_uint64_harness.i [2020-12-04 19:28:22,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498a9cd70/522b062989d44ffe9542c7953226cb83/FLAG65c40626e [2020-12-04 19:28:23,073 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:28:23,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/memcpy_using_uint64_harness.i [2020-12-04 19:28:23,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498a9cd70/522b062989d44ffe9542c7953226cb83/FLAG65c40626e [2020-12-04 19:28:23,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498a9cd70/522b062989d44ffe9542c7953226cb83 [2020-12-04 19:28:23,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:28:23,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:28:23,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:28:23,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:28:23,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:28:23,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:28:23" (1/1) ... [2020-12-04 19:28:23,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404240c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:23, skipping insertion in model container [2020-12-04 19:28:23,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:28:23" (1/1) ... [2020-12-04 19:28:23,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:28:23,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:28:24,077 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/memcpy_using_uint64_harness.i[4493,4506] [2020-12-04 19:28:24,085 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/memcpy_using_uint64_harness.i[4553,4566] [2020-12-04 19:28:24,108 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:28:24,113 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:28:24,938 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,939 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,940 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,941 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,943 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,967 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,968 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,971 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,972 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,975 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,977 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,978 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:24,979 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,189 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:28:25,191 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:28:25,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:28:25,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:28:25,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:28:25,203 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:28:25,204 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:28:25,205 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:28:25,206 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:28:25,209 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:28:25,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:28:25,345 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:28:25,387 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/memcpy_using_uint64_harness.i[4493,4506] [2020-12-04 19:28:25,388 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/memcpy_using_uint64_harness.i[4553,4566] [2020-12-04 19:28:25,394 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:28:25,395 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:28:25,539 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,540 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,540 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,541 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,542 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,572 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,572 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,574 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,578 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,582 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,583 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,584 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,584 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:28:25,611 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:28:25,612 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:28:25,613 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:28:25,614 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:28:25,615 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:28:25,616 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:28:25,616 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:28:25,617 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:28:25,618 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:28:25,618 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:28:25,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:28:26,237 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:28:26,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:26 WrapperNode [2020-12-04 19:28:26,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:28:26,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:28:26,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:28:26,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:28:26,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:26" (1/1) ... [2020-12-04 19:28:26,292 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 19:28:26,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:28:26" (1/1) ... [2020-12-04 19:28:26,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:28:26,329 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 19:28:26,334 INFO L168 Benchmark]: Toolchain (without parser) took 2656.30 ms. Allocated memory was 52.4 MB in the beginning and 83.9 MB in the end (delta: 31.5 MB). Free memory was 36.7 MB in the beginning and 31.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:26,337 INFO L168 Benchmark]: CDTParser took 3.45 ms. Allocated memory is still 37.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:28:26,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2559.06 ms. Allocated memory was 52.4 MB in the beginning and 83.9 MB in the end (delta: 31.5 MB). Free memory was 36.5 MB in the beginning and 34.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:26,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.09 ms. Allocated memory is still 83.9 MB. Free memory was 34.0 MB in the beginning and 31.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:28:26,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.45 ms. Allocated memory is still 37.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2559.06 ms. Allocated memory was 52.4 MB in the beginning and 83.9 MB in the end (delta: 31.5 MB). Free memory was 36.5 MB in the beginning and 34.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.09 ms. Allocated memory is still 83.9 MB. Free memory was 34.0 MB in the beginning and 31.4 MB in the end (delta: 2.6 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...