./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678b828e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_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 6ab39a1b83f38c5d752beed8c37ad9c00dc00d77 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-678b828 [2020-12-07 16:56:18,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-07 16:56:18,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-07 16:56:18,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-07 16:56:18,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-07 16:56:18,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-07 16:56:18,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-07 16:56:18,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-07 16:56:18,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-07 16:56:18,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-07 16:56:18,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-07 16:56:18,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-07 16:56:18,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-07 16:56:18,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-07 16:56:18,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-07 16:56:18,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-07 16:56:18,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-07 16:56:19,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-07 16:56:19,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-07 16:56:19,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-07 16:56:19,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-07 16:56:19,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-07 16:56:19,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-07 16:56:19,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-07 16:56:19,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-07 16:56:19,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-07 16:56:19,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-07 16:56:19,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-07 16:56:19,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-07 16:56:19,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-07 16:56:19,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-07 16:56:19,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-07 16:56:19,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-07 16:56:19,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-07 16:56:19,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-07 16:56:19,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-07 16:56:19,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-07 16:56:19,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-07 16:56:19,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-07 16:56:19,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-07 16:56:19,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-07 16:56:19,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-07 16:56:19,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-07 16:56:19,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-07 16:56:19,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-07 16:56:19,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-07 16:56:19,165 INFO L138 SettingsManager]: * Use SBE=true [2020-12-07 16:56:19,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-07 16:56:19,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-07 16:56:19,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-07 16:56:19,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-07 16:56:19,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-07 16:56:19,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-07 16:56:19,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-07 16:56:19,173 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-07 16:56:19,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-07 16:56:19,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-07 16:56:19,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-07 16:56:19,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-07 16:56:19,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 16:56:19,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-07 16:56:19,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-07 16:56:19,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-07 16:56:19,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-07 16:56:19,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-07 16:56:19,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-07 16:56:19,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-07 16:56:19,183 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ab39a1b83f38c5d752beed8c37ad9c00dc00d77 [2020-12-07 16:56:19,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-07 16:56:19,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-07 16:56:19,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-07 16:56:19,988 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-07 16:56:19,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-07 16:56:19,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i [2020-12-07 16:56:20,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2876d7ea/c35b3d26859c460abc6b02e94df0a85a/FLAG3fff1b4af [2020-12-07 16:56:22,040 INFO L306 CDTParser]: Found 1 translation units. [2020-12-07 16:56:22,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i [2020-12-07 16:56:22,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2876d7ea/c35b3d26859c460abc6b02e94df0a85a/FLAG3fff1b4af [2020-12-07 16:56:22,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2876d7ea/c35b3d26859c460abc6b02e94df0a85a [2020-12-07 16:56:22,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-07 16:56:22,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-07 16:56:22,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-07 16:56:22,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-07 16:56:22,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-07 16:56:22,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:56:22" (1/1) ... [2020-12-07 16:56:22,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd8e1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:22, skipping insertion in model container [2020-12-07 16:56:22,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:56:22" (1/1) ... [2020-12-07 16:56:22,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-07 16:56:22,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-07 16:56:23,061 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2020-12-07 16:56:23,073 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2020-12-07 16:56:23,121 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 16:56:23,133 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 16:56:25,166 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,169 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,171 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,178 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,180 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,210 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,212 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,216 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,217 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,221 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,224 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,227 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:25,229 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:26,145 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 16:56:26,151 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 16:56:26,155 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 16:56:26,159 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 16:56:26,163 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 16:56:26,166 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 16:56:26,168 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 16:56:26,171 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 16:56:26,174 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 16:56:26,177 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 16:56:26,793 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 16:56:26,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 16:56:26,903 INFO L203 MainTranslator]: Completed pre-run [2020-12-07 16:56:26,933 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i[4500,4513] [2020-12-07 16:56:26,936 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_push_front_harness.i[4560,4573] [2020-12-07 16:56:26,942 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 16:56:26,945 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 16:56:27,108 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,111 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,116 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,122 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,127 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,168 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,175 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,182 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,184 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,188 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,190 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,200 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,202 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:27,421 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 16:56:27,425 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 16:56:27,428 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 16:56:27,432 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 16:56:27,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 16:56:27,451 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 16:56:27,455 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 16:56:27,456 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 16:56:27,458 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 16:56:27,461 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 16:56:27,541 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 16:56:27,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 16:56:29,093 INFO L208 MainTranslator]: Completed translation [2020-12-07 16:56:29,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29 WrapperNode [2020-12-07 16:56:29,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-07 16:56:29,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-07 16:56:29,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-07 16:56:29,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-07 16:56:29,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-07 16:56:29,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-07 16:56:29,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-07 16:56:29,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-07 16:56:29,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (1/1) ... [2020-12-07 16:56:29,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-07 16:56:29,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-07 16:56:29,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-07 16:56:29,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-07 16:56:29,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (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 [2020-12-07 16:56:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-07 16:56:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-07 16:56:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-07 16:56:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-07 16:56:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-07 16:56:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-07 16:56:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-07 16:56:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-07 16:56:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-07 16:56:31,521 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-07 16:56:31,523 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2020-12-07 16:56:31,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:56:31 BoogieIcfgContainer [2020-12-07 16:56:31,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-07 16:56:31,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-07 16:56:31,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-07 16:56:31,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-07 16:56:31,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:56:22" (1/3) ... [2020-12-07 16:56:31,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af2f609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:56:31, skipping insertion in model container [2020-12-07 16:56:31,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:29" (2/3) ... [2020-12-07 16:56:31,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af2f609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:56:31, skipping insertion in model container [2020-12-07 16:56:31,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:56:31" (3/3) ... [2020-12-07 16:56:31,545 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_push_front_harness.i [2020-12-07 16:56:31,576 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-07 16:56:31,586 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-07 16:56:31,607 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-07 16:56:31,663 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-07 16:56:31,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-07 16:56:31,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-07 16:56:31,664 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-07 16:56:31,666 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-07 16:56:31,667 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-07 16:56:31,667 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-07 16:56:31,667 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-07 16:56:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-12-07 16:56:31,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-07 16:56:31,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:31,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:56:31,733 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:31,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:31,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1015878758, now seen corresponding path program 1 times [2020-12-07 16:56:31,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:31,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526742530] [2020-12-07 16:56:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:32,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526742530] [2020-12-07 16:56:32,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:32,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-07 16:56:32,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924744370] [2020-12-07 16:56:32,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-07 16:56:32,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:32,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-07 16:56:32,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-07 16:56:32,469 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-12-07 16:56:32,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:32,584 INFO L93 Difference]: Finished difference Result 310 states and 439 transitions. [2020-12-07 16:56:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-07 16:56:32,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 37 [2020-12-07 16:56:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:32,607 INFO L225 Difference]: With dead ends: 310 [2020-12-07 16:56:32,608 INFO L226 Difference]: Without dead ends: 152 [2020-12-07 16:56:32,617 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 [2020-12-07 16:56:32,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-12-07 16:56:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-12-07 16:56:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-07 16:56:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 197 transitions. [2020-12-07 16:56:32,721 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 197 transitions. Word has length 37 [2020-12-07 16:56:32,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:32,722 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 197 transitions. [2020-12-07 16:56:32,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-07 16:56:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2020-12-07 16:56:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-07 16:56:32,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:32,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:56:32,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-07 16:56:32,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:32,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:32,738 INFO L82 PathProgramCache]: Analyzing trace with hash 422083482, now seen corresponding path program 1 times [2020-12-07 16:56:32,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:32,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096864084] [2020-12-07 16:56:32,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:33,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096864084] [2020-12-07 16:56:33,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:33,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-07 16:56:33,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345670754] [2020-12-07 16:56:33,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-07 16:56:33,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:33,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-07 16:56:33,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-07 16:56:33,031 INFO L87 Difference]: Start difference. First operand 152 states and 197 transitions. Second operand 4 states. [2020-12-07 16:56:33,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:33,301 INFO L93 Difference]: Finished difference Result 328 states and 436 transitions. [2020-12-07 16:56:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-07 16:56:33,302 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-07 16:56:33,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:33,308 INFO L225 Difference]: With dead ends: 328 [2020-12-07 16:56:33,309 INFO L226 Difference]: Without dead ends: 188 [2020-12-07 16:56:33,313 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 [2020-12-07 16:56:33,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-07 16:56:33,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 158. [2020-12-07 16:56:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-07 16:56:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 203 transitions. [2020-12-07 16:56:33,360 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 203 transitions. Word has length 37 [2020-12-07 16:56:33,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:33,361 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 203 transitions. [2020-12-07 16:56:33,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-07 16:56:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 203 transitions. [2020-12-07 16:56:33,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-07 16:56:33,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:33,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:56:33,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-07 16:56:33,370 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:33,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1949655780, now seen corresponding path program 1 times [2020-12-07 16:56:33,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:33,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492881987] [2020-12-07 16:56:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:33,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492881987] [2020-12-07 16:56:33,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:33,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-07 16:56:33,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270739894] [2020-12-07 16:56:33,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-07 16:56:33,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:33,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-07 16:56:33,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-07 16:56:33,568 INFO L87 Difference]: Start difference. First operand 158 states and 203 transitions. Second operand 4 states. [2020-12-07 16:56:33,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:33,785 INFO L93 Difference]: Finished difference Result 324 states and 425 transitions. [2020-12-07 16:56:33,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-07 16:56:33,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-07 16:56:33,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:33,790 INFO L225 Difference]: With dead ends: 324 [2020-12-07 16:56:33,790 INFO L226 Difference]: Without dead ends: 182 [2020-12-07 16:56:33,793 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 [2020-12-07 16:56:33,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-07 16:56:33,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2020-12-07 16:56:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-12-07 16:56:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 209 transitions. [2020-12-07 16:56:33,845 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 209 transitions. Word has length 37 [2020-12-07 16:56:33,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:33,850 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 209 transitions. [2020-12-07 16:56:33,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-07 16:56:33,851 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 209 transitions. [2020-12-07 16:56:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-07 16:56:33,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:33,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:56:33,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-07 16:56:33,857 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:33,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:33,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1809107170, now seen corresponding path program 1 times [2020-12-07 16:56:33,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:33,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843040245] [2020-12-07 16:56:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:34,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843040245] [2020-12-07 16:56:34,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:34,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-07 16:56:34,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063628891] [2020-12-07 16:56:34,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-07 16:56:34,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:34,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-07 16:56:34,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-07 16:56:34,168 INFO L87 Difference]: Start difference. First operand 164 states and 209 transitions. Second operand 4 states. [2020-12-07 16:56:34,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:34,266 INFO L93 Difference]: Finished difference Result 310 states and 396 transitions. [2020-12-07 16:56:34,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-07 16:56:34,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-07 16:56:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:34,270 INFO L225 Difference]: With dead ends: 310 [2020-12-07 16:56:34,271 INFO L226 Difference]: Without dead ends: 160 [2020-12-07 16:56:34,275 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 [2020-12-07 16:56:34,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-07 16:56:34,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-12-07 16:56:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-12-07 16:56:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 203 transitions. [2020-12-07 16:56:34,328 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 203 transitions. Word has length 37 [2020-12-07 16:56:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:34,329 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 203 transitions. [2020-12-07 16:56:34,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-07 16:56:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2020-12-07 16:56:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-07 16:56:34,336 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:34,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:56:34,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-07 16:56:34,337 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash -964119912, now seen corresponding path program 1 times [2020-12-07 16:56:34,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:34,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488344515] [2020-12-07 16:56:34,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:34,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488344515] [2020-12-07 16:56:34,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:34,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-07 16:56:34,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865151213] [2020-12-07 16:56:34,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-07 16:56:34,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:34,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-07 16:56:34,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-07 16:56:34,623 INFO L87 Difference]: Start difference. First operand 160 states and 203 transitions. Second operand 4 states. [2020-12-07 16:56:34,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:34,724 INFO L93 Difference]: Finished difference Result 330 states and 408 transitions. [2020-12-07 16:56:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-07 16:56:34,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-07 16:56:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:34,728 INFO L225 Difference]: With dead ends: 330 [2020-12-07 16:56:34,729 INFO L226 Difference]: Without dead ends: 200 [2020-12-07 16:56:34,741 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 [2020-12-07 16:56:34,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-07 16:56:34,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 160. [2020-12-07 16:56:34,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-12-07 16:56:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 202 transitions. [2020-12-07 16:56:34,765 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 202 transitions. Word has length 37 [2020-12-07 16:56:34,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:34,766 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 202 transitions. [2020-12-07 16:56:34,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-07 16:56:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 202 transitions. [2020-12-07 16:56:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-07 16:56:34,767 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:34,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:56:34,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-07 16:56:34,768 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:34,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:34,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1303112067, now seen corresponding path program 1 times [2020-12-07 16:56:34,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:34,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798658301] [2020-12-07 16:56:34,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:35,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798658301] [2020-12-07 16:56:35,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:35,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-07 16:56:35,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882167686] [2020-12-07 16:56:35,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-07 16:56:35,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:35,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-07 16:56:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-07 16:56:35,046 INFO L87 Difference]: Start difference. First operand 160 states and 202 transitions. Second operand 5 states. [2020-12-07 16:56:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:35,249 INFO L93 Difference]: Finished difference Result 383 states and 467 transitions. [2020-12-07 16:56:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-07 16:56:35,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-12-07 16:56:35,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:35,253 INFO L225 Difference]: With dead ends: 383 [2020-12-07 16:56:35,254 INFO L226 Difference]: Without dead ends: 252 [2020-12-07 16:56:35,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-07 16:56:35,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-12-07 16:56:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 160. [2020-12-07 16:56:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-12-07 16:56:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 200 transitions. [2020-12-07 16:56:35,271 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 200 transitions. Word has length 39 [2020-12-07 16:56:35,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:35,272 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 200 transitions. [2020-12-07 16:56:35,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-07 16:56:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 200 transitions. [2020-12-07 16:56:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-07 16:56:35,273 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:35,274 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] [2020-12-07 16:56:35,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-07 16:56:35,275 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:35,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:35,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1958868289, now seen corresponding path program 1 times [2020-12-07 16:56:35,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:35,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663271544] [2020-12-07 16:56:35,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:35,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663271544] [2020-12-07 16:56:35,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:35,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-07 16:56:35,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309280056] [2020-12-07 16:56:35,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-07 16:56:35,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:35,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-07 16:56:35,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-07 16:56:35,460 INFO L87 Difference]: Start difference. First operand 160 states and 200 transitions. Second operand 5 states. [2020-12-07 16:56:35,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:35,529 INFO L93 Difference]: Finished difference Result 160 states and 200 transitions. [2020-12-07 16:56:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-07 16:56:35,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-12-07 16:56:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:35,530 INFO L225 Difference]: With dead ends: 160 [2020-12-07 16:56:35,531 INFO L226 Difference]: Without dead ends: 0 [2020-12-07 16:56:35,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-07 16:56:35,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-07 16:56:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-07 16:56:35,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-07 16:56:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-07 16:56:35,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-12-07 16:56:35,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:35,535 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-07 16:56:35,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-07 16:56:35,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-07 16:56:35,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-07 16:56:35,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-07 16:56:35,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-07 16:56:35,633 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,633 INFO L262 CegarLoopResult]: For program point L4694(line 4694) no Hoare annotation was computed. [2020-12-07 16:56:35,633 INFO L262 CegarLoopResult]: For program point L4694-3(lines 4694 4695) no Hoare annotation was computed. [2020-12-07 16:56:35,633 INFO L262 CegarLoopResult]: For program point L4694-2(line 4694) no Hoare annotation was computed. [2020-12-07 16:56:35,633 INFO L262 CegarLoopResult]: For program point L4694-8(lines 4694 4696) no Hoare annotation was computed. [2020-12-07 16:56:35,633 INFO L262 CegarLoopResult]: For program point L4694-5(lines 4694 4695) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-6(lines 4694 4696) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-11(lines 4694 4704) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-12(line 4694) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-9(lines 4694 4697) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-15(lines 4694 4695) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-14(line 4694) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-20(lines 4694 4696) no Hoare annotation was computed. [2020-12-07 16:56:35,634 INFO L262 CegarLoopResult]: For program point L4694-17(lines 4694 4695) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-18(lines 4694 4696) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-23(lines 4694 4704) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-24(line 4694) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-21(lines 4694 4697) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-27(lines 4694 4695) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-26(line 4694) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-32(lines 4694 4696) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-29(lines 4694 4695) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-30(lines 4694 4696) no Hoare annotation was computed. [2020-12-07 16:56:35,635 INFO L262 CegarLoopResult]: For program point L4694-35(lines 4694 4704) no Hoare annotation was computed. [2020-12-07 16:56:35,636 INFO L262 CegarLoopResult]: For program point L4694-33(lines 4694 4697) no Hoare annotation was computed. [2020-12-07 16:56:35,636 INFO L262 CegarLoopResult]: For program point L4729-2(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,636 INFO L262 CegarLoopResult]: For program point L4729-3(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,637 INFO L262 CegarLoopResult]: For program point L4729(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,638 INFO L258 CegarLoopResult]: At program point L4729-6(lines 4726 4730) the Hoare annotation is: false [2020-12-07 16:56:35,638 INFO L262 CegarLoopResult]: For program point L4729-7(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,638 INFO L262 CegarLoopResult]: For program point L4729-5(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,638 INFO L262 CegarLoopResult]: For program point L4729-10(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,639 INFO L262 CegarLoopResult]: For program point L4729-9(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,639 INFO L262 CegarLoopResult]: For program point L4729-14(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,639 INFO L262 CegarLoopResult]: For program point L4729-12(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,639 INFO L258 CegarLoopResult]: At program point L4729-13(lines 4726 4730) the Hoare annotation is: false [2020-12-07 16:56:35,639 INFO L262 CegarLoopResult]: For program point L4729-19(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,639 INFO L262 CegarLoopResult]: For program point L4729-16(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,639 INFO L262 CegarLoopResult]: For program point L4729-17(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,640 INFO L262 CegarLoopResult]: For program point L4729-23(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,640 INFO L258 CegarLoopResult]: At program point L4729-20(lines 4726 4730) the Hoare annotation is: false [2020-12-07 16:56:35,640 INFO L262 CegarLoopResult]: For program point L4729-21(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,640 INFO L262 CegarLoopResult]: For program point L4729-26(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,640 INFO L258 CegarLoopResult]: At program point L4729-27(lines 4726 4730) the Hoare annotation is: false [2020-12-07 16:56:35,640 INFO L262 CegarLoopResult]: For program point L4729-24(line 4729) no Hoare annotation was computed. [2020-12-07 16:56:35,640 INFO L258 CegarLoopResult]: At program point L4764-1(lines 4731 4765) the Hoare annotation is: false [2020-12-07 16:56:35,641 INFO L258 CegarLoopResult]: At program point L4764-2(lines 4731 4765) the Hoare annotation is: false [2020-12-07 16:56:35,641 INFO L258 CegarLoopResult]: At program point L4764(lines 4731 4765) the Hoare annotation is: (and (= |ULTIMATE.start_aws_linked_list_is_valid_deep_#res| 0) (not (= |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base| 0))) [2020-12-07 16:56:35,641 INFO L262 CegarLoopResult]: For program point L7374(lines 7374 7391) no Hoare annotation was computed. [2020-12-07 16:56:35,641 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point L4734(lines 4734 4738) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point L4734-1(lines 4734 4738) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point L4734-2(lines 4734 4738) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-07 16:56:35,642 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-07 16:56:35,643 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-07 16:56:35,644 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-07 16:56:35,644 INFO L258 CegarLoopResult]: At program point L4705-2(lines 4691 4708) the Hoare annotation is: false [2020-12-07 16:56:35,644 INFO L258 CegarLoopResult]: At program point L4705(lines 4691 4708) the Hoare annotation is: (and (= |ULTIMATE.start_aws_linked_list_is_valid_#res| 0) (not (= |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base| 0))) [2020-12-07 16:56:35,644 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L258 CegarLoopResult]: At program point L4705-1(lines 4691 4708) the Hoare annotation is: false [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point L6754(lines 6754 6778) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point L4909(lines 4909 4924) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,645 INFO L262 CegarLoopResult]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-5(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-7(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-8(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,646 INFO L262 CegarLoopResult]: For program point L222-9(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point L222-10(lines 222 224) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,647 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-6(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-7(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-9(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-10(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-12(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-13(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,648 INFO L262 CegarLoopResult]: For program point L223-15(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-16(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-18(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-19(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-21(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-22(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-24(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-25(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-27(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,649 INFO L262 CegarLoopResult]: For program point L223-28(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,650 INFO L262 CegarLoopResult]: For program point L223-30(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,650 INFO L262 CegarLoopResult]: For program point L223-31(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,650 INFO L265 CegarLoopResult]: At program point L7392(line 7392) the Hoare annotation is: true [2020-12-07 16:56:35,650 INFO L262 CegarLoopResult]: For program point L4750-3(lines 4750 4763) no Hoare annotation was computed. [2020-12-07 16:56:35,650 INFO L258 CegarLoopResult]: At program point L4750-2(lines 4750 4763) the Hoare annotation is: false [2020-12-07 16:56:35,650 INFO L262 CegarLoopResult]: For program point L4750-7(lines 4750 4763) no Hoare annotation was computed. [2020-12-07 16:56:35,651 INFO L258 CegarLoopResult]: At program point L4750-6(lines 4750 4763) the Hoare annotation is: false [2020-12-07 16:56:35,651 INFO L262 CegarLoopResult]: For program point L4750-11(lines 4750 4763) no Hoare annotation was computed. [2020-12-07 16:56:35,651 INFO L258 CegarLoopResult]: At program point L4750-10(lines 4750 4763) the Hoare annotation is: false [2020-12-07 16:56:35,651 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,651 INFO L262 CegarLoopResult]: For program point L4751(lines 4751 4761) no Hoare annotation was computed. [2020-12-07 16:56:35,651 INFO L262 CegarLoopResult]: For program point L4718(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,651 INFO L262 CegarLoopResult]: For program point L4751-1(lines 4751 4761) no Hoare annotation was computed. [2020-12-07 16:56:35,652 INFO L262 CegarLoopResult]: For program point L4718-3(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,652 INFO L262 CegarLoopResult]: For program point L4751-2(lines 4751 4761) no Hoare annotation was computed. [2020-12-07 16:56:35,652 INFO L262 CegarLoopResult]: For program point L4718-2(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,652 INFO L262 CegarLoopResult]: For program point L4718-7(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,652 INFO L262 CegarLoopResult]: For program point L4718-5(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,652 INFO L258 CegarLoopResult]: At program point L4718-6(lines 4715 4719) the Hoare annotation is: false [2020-12-07 16:56:35,653 INFO L262 CegarLoopResult]: For program point L4718-12(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,653 INFO L262 CegarLoopResult]: For program point L4718-9(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,653 INFO L262 CegarLoopResult]: For program point L4718-10(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,653 INFO L262 CegarLoopResult]: For program point L4718-16(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,653 INFO L258 CegarLoopResult]: At program point L4718-13(lines 4715 4719) the Hoare annotation is: false [2020-12-07 16:56:35,653 INFO L262 CegarLoopResult]: For program point L4718-14(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,654 INFO L262 CegarLoopResult]: For program point L4718-19(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,654 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-07 16:56:35,654 INFO L258 CegarLoopResult]: At program point L4718-20(lines 4715 4719) the Hoare annotation is: false [2020-12-07 16:56:35,654 INFO L262 CegarLoopResult]: For program point L4718-17(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,654 INFO L262 CegarLoopResult]: For program point L4718-23(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,654 INFO L262 CegarLoopResult]: For program point L4718-24(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,654 INFO L262 CegarLoopResult]: For program point L4718-21(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,655 INFO L258 CegarLoopResult]: At program point L4718-27(lines 4715 4719) the Hoare annotation is: false [2020-12-07 16:56:35,655 INFO L262 CegarLoopResult]: For program point L4718-28(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,655 INFO L262 CegarLoopResult]: For program point L4718-26(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,655 INFO L262 CegarLoopResult]: For program point L4718-31(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,655 INFO L262 CegarLoopResult]: For program point L4718-30(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,655 INFO L262 CegarLoopResult]: For program point L6767-4(lines 6767 6774) no Hoare annotation was computed. [2020-12-07 16:56:35,656 INFO L258 CegarLoopResult]: At program point L6767-3(lines 6767 6774) the Hoare annotation is: (not (= |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base| 0)) [2020-12-07 16:56:35,656 INFO L262 CegarLoopResult]: For program point L4718-33(line 4718) no Hoare annotation was computed. [2020-12-07 16:56:35,656 INFO L262 CegarLoopResult]: For program point L6767-2(lines 6767 6774) no Hoare annotation was computed. [2020-12-07 16:56:35,656 INFO L258 CegarLoopResult]: At program point L4718-34(lines 4715 4719) the Hoare annotation is: false [2020-12-07 16:56:35,656 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-07 16:56:35,656 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,657 INFO L262 CegarLoopResult]: For program point L4756-1(lines 4756 4761) no Hoare annotation was computed. [2020-12-07 16:56:35,657 INFO L262 CegarLoopResult]: For program point L4756-2(lines 4756 4761) no Hoare annotation was computed. [2020-12-07 16:56:35,657 INFO L262 CegarLoopResult]: For program point L4756(lines 4756 4761) no Hoare annotation was computed. [2020-12-07 16:56:35,657 INFO L262 CegarLoopResult]: For program point L4989(lines 4989 4997) no Hoare annotation was computed. [2020-12-07 16:56:35,657 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-07 16:56:35,657 INFO L258 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (not (= |ULTIMATE.start_aws_linked_list_push_front_harness_~#list~0.base| 0)) [2020-12-07 16:56:35,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:56:35 BoogieIcfgContainer [2020-12-07 16:56:35,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-07 16:56:35,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-07 16:56:35,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-07 16:56:35,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-07 16:56:35,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:56:31" (3/4) ... [2020-12-07 16:56:35,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-07 16:56:35,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2020-12-07 16:56:35,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-07 16:56:35,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-07 16:56:35,774 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-07 16:56:35,845 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && !(list == 0) [2020-12-07 16:56:35,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && !(list == 0) [2020-12-07 16:56:36,041 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-07 16:56:36,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-07 16:56:36,051 INFO L168 Benchmark]: Toolchain (without parser) took 13864.11 ms. Allocated memory was 50.3 MB in the beginning and 159.4 MB in the end (delta: 109.1 MB). Free memory was 30.2 MB in the beginning and 59.5 MB in the end (delta: -29.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,053 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 26.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-07 16:56:36,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6907.35 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 29.9 MB in the beginning and 22.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 282.60 ms. Allocated memory is still 81.8 MB. Free memory was 22.5 MB in the beginning and 16.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,057 INFO L168 Benchmark]: Boogie Preprocessor took 163.40 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 16.2 MB in the beginning and 60.0 MB in the end (delta: -43.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,058 INFO L168 Benchmark]: RCFGBuilder took 1983.04 ms. Allocated memory is still 98.6 MB. Free memory was 60.0 MB in the beginning and 30.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,060 INFO L168 Benchmark]: TraceAbstraction took 4173.75 ms. Allocated memory was 98.6 MB in the beginning and 159.4 MB in the end (delta: 60.8 MB). Free memory was 30.9 MB in the beginning and 74.2 MB in the end (delta: -43.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,063 INFO L168 Benchmark]: Witness Printer took 336.34 ms. Allocated memory is still 159.4 MB. Free memory was 74.2 MB in the beginning and 59.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-07 16:56:36,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 26.0 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6907.35 ms. Allocated memory was 50.3 MB in the beginning and 81.8 MB in the end (delta: 31.5 MB). Free memory was 29.9 MB in the beginning and 22.5 MB in the end (delta: 7.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 282.60 ms. Allocated memory is still 81.8 MB. Free memory was 22.5 MB in the beginning and 16.2 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.40 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 16.2 MB in the beginning and 60.0 MB in the end (delta: -43.9 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1983.04 ms. Allocated memory is still 98.6 MB. Free memory was 60.0 MB in the beginning and 30.9 MB in the end (delta: 29.1 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4173.75 ms. Allocated memory was 98.6 MB in the beginning and 159.4 MB in the end (delta: 60.8 MB). Free memory was 30.9 MB in the beginning and 74.2 MB in the end (delta: -43.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Witness Printer took 336.34 ms. Allocated memory is still 159.4 MB. Free memory was 74.2 MB in the beginning and 59.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - InvariantResult [Line: 6767]: Loop Invariant Derived loop invariant: !(list == 0) - InvariantResult [Line: 7392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4691]: Loop Invariant Derived loop invariant: \result == 0 && !(list == 0) - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: !(list == 0) - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: \result == 0 && !(list == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 157 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1267 SDtfs, 425 SDslu, 1898 SDs, 0 SdLazy, 227 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 180 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 26 NumberOfFragments, 41 HoareAnnotationTreeSize, 21 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 12488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...