./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.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 e96d8d92db1667c6f6142560a7fad2417327f7e06eb532366f9ad7d4ddd7d1f5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-03 23:18:14,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 23:18:14,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 23:18:14,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 23:18:14,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 23:18:14,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 23:18:14,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 23:18:14,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 23:18:14,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 23:18:14,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 23:18:14,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 23:18:14,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 23:18:14,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 23:18:14,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 23:18:14,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 23:18:14,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 23:18:14,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 23:18:14,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 23:18:14,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 23:18:14,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 23:18:14,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 23:18:14,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 23:18:14,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 23:18:14,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 23:18:14,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 23:18:14,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 23:18:14,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 23:18:14,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 23:18:14,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 23:18:14,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 23:18:14,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 23:18:14,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 23:18:14,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 23:18:14,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 23:18:14,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 23:18:14,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 23:18:14,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 23:18:14,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 23:18:14,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 23:18:14,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 23:18:14,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 23:18:14,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 23:18:14,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 23:18:14,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 23:18:14,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 23:18:14,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 23:18:14,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 23:18:14,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 23:18:14,671 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 23:18:14,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 23:18:14,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 23:18:14,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 23:18:14,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 23:18:14,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 23:18:14,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 23:18:14,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 23:18:14,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 23:18:14,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 23:18:14,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 23:18:14,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 23:18:14,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 23:18:14,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:18:14,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 23:18:14,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 23:18:14,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 23:18:14,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 23:18:14,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 23:18:14,675 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 23:18:14,675 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 23:18:14,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 23:18:14,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 23:18:14,675 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e96d8d92db1667c6f6142560a7fad2417327f7e06eb532366f9ad7d4ddd7d1f5 [2021-11-03 23:18:14,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 23:18:14,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 23:18:14,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 23:18:14,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 23:18:14,899 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 23:18:14,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i [2021-11-03 23:18:14,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22efd9997/0f37694023964b9fa66f4ca7ca823101/FLAGaf5bdbb32 [2021-11-03 23:18:15,502 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 23:18:15,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i [2021-11-03 23:18:15,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22efd9997/0f37694023964b9fa66f4ca7ca823101/FLAGaf5bdbb32 [2021-11-03 23:18:15,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22efd9997/0f37694023964b9fa66f4ca7ca823101 [2021-11-03 23:18:15,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 23:18:15,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 23:18:15,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 23:18:15,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 23:18:15,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 23:18:15,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:18:15" (1/1) ... [2021-11-03 23:18:15,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a29174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:15, skipping insertion in model container [2021-11-03 23:18:15,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:18:15" (1/1) ... [2021-11-03 23:18:15,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 23:18:15,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 23:18:16,007 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4500,4513] [2021-11-03 23:18:16,011 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4560,4573] [2021-11-03 23:18:16,023 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:18:16,027 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:18:16,443 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,444 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,444 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,445 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,446 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,455 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,456 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,457 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,459 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,461 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,462 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,463 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,660 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:18:16,661 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:18:16,661 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:18:16,662 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:18:16,663 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:18:16,663 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:18:16,663 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:18:16,664 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:18:16,664 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:18:16,665 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:18:16,745 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:18:16,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:18:16,769 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 23:18:16,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4500,4513] [2021-11-03 23:18:16,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4560,4573] [2021-11-03 23:18:16,779 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:18:16,780 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:18:16,811 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,813 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,817 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,817 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,818 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,818 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,819 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,819 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,820 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,820 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:18:16,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:18:16,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:18:16,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:18:16,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:18:16,911 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:18:16,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:18:16,915 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:18:16,915 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:18:16,916 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:18:16,916 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:18:16,928 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:18:16,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:18:17,077 INFO L208 MainTranslator]: Completed translation [2021-11-03 23:18:17,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17 WrapperNode [2021-11-03 23:18:17,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 23:18:17,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 23:18:17,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 23:18:17,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 23:18:17,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 23:18:17,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 23:18:17,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 23:18:17,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 23:18:17,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 23:18:17,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 23:18:17,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 23:18:17,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 23:18:17,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (1/1) ... [2021-11-03 23:18:17,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:18:17,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:18:17,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 23:18:17,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 23:18:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 23:18:17,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 23:18:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 23:18:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 23:18:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 23:18:17,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 23:18:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 23:18:17,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 23:18:17,574 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-03 23:18:17,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:18:17 BoogieIcfgContainer [2021-11-03 23:18:17,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 23:18:17,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 23:18:17,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 23:18:17,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 23:18:17,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 11:18:15" (1/3) ... [2021-11-03 23:18:17,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd246fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:18:17, skipping insertion in model container [2021-11-03 23:18:17,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:18:17" (2/3) ... [2021-11-03 23:18:17,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd246fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:18:17, skipping insertion in model container [2021-11-03 23:18:17,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:18:17" (3/3) ... [2021-11-03 23:18:17,599 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_node_reset_harness-1.i [2021-11-03 23:18:17,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 23:18:17,603 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-03 23:18:17,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 23:18:17,657 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 23:18:17,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-03 23:18:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 28 states have (on average 1.5) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 23:18:17,679 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:17,680 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:17,680 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:17,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:17,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1935931966, now seen corresponding path program 1 times [2021-11-03 23:18:17,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:17,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276291185] [2021-11-03 23:18:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:17,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:17,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:17,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276291185] [2021-11-03 23:18:17,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276291185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:18:17,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:18:17,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 23:18:17,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658668038] [2021-11-03 23:18:17,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:18:17,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 23:18:17,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:18:17,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 23:18:17,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:18:17,958 INFO L87 Difference]: Start difference. First operand has 31 states, 28 states have (on average 1.5) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:18:18,005 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2021-11-03 23:18:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 23:18:18,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 23:18:18,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:18:18,040 INFO L225 Difference]: With dead ends: 59 [2021-11-03 23:18:18,041 INFO L226 Difference]: Without dead ends: 26 [2021-11-03 23:18:18,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:18:18,045 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.27ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.94ms IncrementalHoareTripleChecker+Time [2021-11-03 23:18:18,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 35 Unknown, 0 Unchecked, 0.27ms Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 34.94ms Time] [2021-11-03 23:18:18,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-03 23:18:18,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-03 23:18:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-11-03 23:18:18,066 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 10 [2021-11-03 23:18:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:18:18,067 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-11-03 23:18:18,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-03 23:18:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 23:18:18,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:18,068 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:18,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 23:18:18,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:18,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash 712013687, now seen corresponding path program 1 times [2021-11-03 23:18:18,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:18,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002566329] [2021-11-03 23:18:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:18,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:18,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:18,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002566329] [2021-11-03 23:18:18,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002566329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:18:18,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:18:18,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 23:18:18,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133365458] [2021-11-03 23:18:18,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:18:18,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 23:18:18,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:18:18,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 23:18:18,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 23:18:18,174 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:18:18,224 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2021-11-03 23:18:18,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 23:18:18,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 23:18:18,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:18:18,225 INFO L225 Difference]: With dead ends: 48 [2021-11-03 23:18:18,225 INFO L226 Difference]: Without dead ends: 27 [2021-11-03 23:18:18,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.29ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 23:18:18,226 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.51ms IncrementalHoareTripleChecker+Time [2021-11-03 23:18:18,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 59 Unknown, 0 Unchecked, 0.46ms Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 45.51ms Time] [2021-11-03 23:18:18,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-03 23:18:18,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-03 23:18:18,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-11-03 23:18:18,230 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 13 [2021-11-03 23:18:18,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:18:18,231 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-11-03 23:18:18,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,231 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-11-03 23:18:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 23:18:18,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:18,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:18,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 23:18:18,232 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:18,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:18,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1602855479, now seen corresponding path program 1 times [2021-11-03 23:18:18,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:18,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396714943] [2021-11-03 23:18:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:18,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 23:18:18,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:18,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396714943] [2021-11-03 23:18:18,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396714943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 23:18:18,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:18:18,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 23:18:18,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394103559] [2021-11-03 23:18:18,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-03 23:18:18,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 23:18:18,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:18:18,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 23:18:18,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 23:18:18,279 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:18:18,325 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2021-11-03 23:18:18,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 23:18:18,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 23:18:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:18:18,326 INFO L225 Difference]: With dead ends: 58 [2021-11-03 23:18:18,327 INFO L226 Difference]: Without dead ends: 43 [2021-11-03 23:18:18,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 23:18:18,328 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 14 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.44ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.03ms IncrementalHoareTripleChecker+Time [2021-11-03 23:18:18,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 0 Invalid, 61 Unknown, 0 Unchecked, 0.44ms Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 41.03ms Time] [2021-11-03 23:18:18,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-03 23:18:18,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 29. [2021-11-03 23:18:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2021-11-03 23:18:18,332 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 14 [2021-11-03 23:18:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:18:18,332 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2021-11-03 23:18:18,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-03 23:18:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-03 23:18:18,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:18,333 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:18,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 23:18:18,333 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:18,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1604464193, now seen corresponding path program 1 times [2021-11-03 23:18:18,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:18,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733353580] [2021-11-03 23:18:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:18,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:18,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:18,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733353580] [2021-11-03 23:18:18,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733353580] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 23:18:18,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572899982] [2021-11-03 23:18:18,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:18,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:18,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:18:18,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 23:18:18,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 23:18:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:18,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 23:18:18,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:18:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:18,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:18:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:18,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572899982] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:18:18,561 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 23:18:18,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-03 23:18:18,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656026614] [2021-11-03 23:18:18,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-03 23:18:18,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 23:18:18,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:18:18,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 23:18:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-03 23:18:18,563 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:18:18,624 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2021-11-03 23:18:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 23:18:18,625 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-03 23:18:18,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:18:18,626 INFO L225 Difference]: With dead ends: 55 [2021-11-03 23:18:18,626 INFO L226 Difference]: Without dead ends: 32 [2021-11-03 23:18:18,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 22.41ms TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-11-03 23:18:18,627 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.14ms IncrementalHoareTripleChecker+Time [2021-11-03 23:18:18,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 123 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 54.14ms Time] [2021-11-03 23:18:18,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-03 23:18:18,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-03 23:18:18,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.2) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-11-03 23:18:18,648 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 14 [2021-11-03 23:18:18,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:18:18,648 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-11-03 23:18:18,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-03 23:18:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 23:18:18,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:18,649 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:18,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-03 23:18:18,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:18,869 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:18,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1021162369, now seen corresponding path program 2 times [2021-11-03 23:18:18,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:18,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070737577] [2021-11-03 23:18:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:18,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:18,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:18,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070737577] [2021-11-03 23:18:18,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070737577] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 23:18:18,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751213008] [2021-11-03 23:18:18,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 23:18:18,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:18,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:18:18,944 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 23:18:18,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 23:18:19,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 23:18:19,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 23:18:19,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 23:18:19,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:18:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:19,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:18:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:19,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751213008] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:18:19,158 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 23:18:19,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2021-11-03 23:18:19,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805896036] [2021-11-03 23:18:19,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-03 23:18:19,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-03 23:18:19,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:18:19,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-03 23:18:19,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=142, Unknown=0, NotChecked=0, Total=272 [2021-11-03 23:18:19,160 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:19,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:18:19,228 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2021-11-03 23:18:19,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 23:18:19,229 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-03 23:18:19,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:18:19,229 INFO L225 Difference]: With dead ends: 61 [2021-11-03 23:18:19,229 INFO L226 Difference]: Without dead ends: 38 [2021-11-03 23:18:19,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 75.88ms TimeCoverageRelationStatistics Valid=130, Invalid=142, Unknown=0, NotChecked=0, Total=272 [2021-11-03 23:18:19,230 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.62ms IncrementalHoareTripleChecker+Time [2021-11-03 23:18:19,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 135 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [10 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 61.62ms Time] [2021-11-03 23:18:19,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-03 23:18:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-11-03 23:18:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2021-11-03 23:18:19,234 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 17 [2021-11-03 23:18:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:18:19,234 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-11-03 23:18:19,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-11-03 23:18:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 23:18:19,235 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:19,235 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:19,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 23:18:19,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:19,453 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:19,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:19,453 INFO L85 PathProgramCache]: Analyzing trace with hash -374883455, now seen corresponding path program 3 times [2021-11-03 23:18:19,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:19,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490186953] [2021-11-03 23:18:19,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:19,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:19,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:19,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490186953] [2021-11-03 23:18:19,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490186953] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 23:18:19,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521018777] [2021-11-03 23:18:19,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 23:18:19,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:19,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:18:19,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 23:18:19,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 23:18:19,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-03 23:18:19,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 23:18:19,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 23:18:19,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:18:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:19,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:18:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:20,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521018777] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:18:20,108 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 23:18:20,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2021-11-03 23:18:20,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527361670] [2021-11-03 23:18:20,109 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-03 23:18:20,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-03 23:18:20,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:18:20,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-03 23:18:20,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=423, Unknown=0, NotChecked=0, Total=756 [2021-11-03 23:18:20,110 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:20,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:18:20,208 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2021-11-03 23:18:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 23:18:20,208 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-03 23:18:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:18:20,209 INFO L225 Difference]: With dead ends: 66 [2021-11-03 23:18:20,209 INFO L226 Difference]: Without dead ends: 43 [2021-11-03 23:18:20,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 217.39ms TimeCoverageRelationStatistics Valid=333, Invalid=423, Unknown=0, NotChecked=0, Total=756 [2021-11-03 23:18:20,210 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.37ms IncrementalHoareTripleChecker+Time [2021-11-03 23:18:20,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 220 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [3 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 90.37ms Time] [2021-11-03 23:18:20,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-03 23:18:20,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-03 23:18:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2021-11-03 23:18:20,214 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2021-11-03 23:18:20,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:18:20,223 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2021-11-03 23:18:20,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 28 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:18:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-03 23:18:20,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 23:18:20,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:18:20,224 INFO L514 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:18:20,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 23:18:20,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:20,425 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:18:20,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:18:20,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1757952447, now seen corresponding path program 4 times [2021-11-03 23:18:20,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 23:18:20,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739047180] [2021-11-03 23:18:20,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:18:20,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 23:18:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:18:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 78 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:18:20,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 23:18:20,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739047180] [2021-11-03 23:18:20,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739047180] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 23:18:20,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504132197] [2021-11-03 23:18:20,984 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 23:18:20,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:18:20,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:18:20,996 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 23:18:21,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 23:18:21,480 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 23:18:21,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 23:18:21,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-03 23:18:21,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:18:21,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-03 23:18:21,595 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-03 23:18:21,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-03 23:18:21,685 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-03 23:18:21,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 45 [2021-11-03 23:18:21,807 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-03 23:18:21,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 62 [2021-11-03 23:18:22,021 INFO L354 Elim1Store]: treesize reduction 164, result has 17.6 percent of original size [2021-11-03 23:18:22,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 79 [2021-11-03 23:18:22,224 INFO L354 Elim1Store]: treesize reduction 236, result has 15.7 percent of original size [2021-11-03 23:18:22,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 85 treesize of output 96 [2021-11-03 23:18:22,509 INFO L354 Elim1Store]: treesize reduction 320, result has 14.2 percent of original size [2021-11-03 23:18:22,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 99 treesize of output 113 [2021-11-03 23:18:23,529 INFO L354 Elim1Store]: treesize reduction 416, result has 13.0 percent of original size [2021-11-03 23:18:23,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 113 treesize of output 130 [2021-11-03 23:18:39,299 INFO L354 Elim1Store]: treesize reduction 524, result has 11.9 percent of original size [2021-11-03 23:18:39,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 127 treesize of output 147 [2021-11-03 23:19:09,013 WARN L228 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-03 23:19:09,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-11-03 23:19:09,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-11-03 23:19:09,015 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-03 23:19:09,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-11-03 23:19:09,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108267502] [2021-11-03 23:19:09,015 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-03 23:19:09,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-03 23:19:09,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 23:19:09,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-03 23:19:09,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=634, Unknown=3, NotChecked=0, Total=930 [2021-11-03 23:19:09,017 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:09,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 23:19:09,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 16875.10ms TimeCoverageRelationStatistics Valid=293, Invalid=634, Unknown=3, NotChecked=0, Total=930 [2021-11-03 23:19:09,018 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:09,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 0.02ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-03 23:19:09,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 23:19:09,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 23:19:09,219 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@516a280e at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 23:19:09,222 INFO L158 Benchmark]: Toolchain (without parser) took 53506.69ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 99.4MB in the beginning and 72.7MB in the end (delta: 26.7MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2021-11-03 23:19:09,223 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-03 23:19:09,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1360.68ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 99.4MB in the beginning and 109.0MB in the end (delta: -9.5MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2021-11-03 23:19:09,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.45ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 103.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-03 23:19:09,223 INFO L158 Benchmark]: Boogie Preprocessor took 47.76ms. Allocated memory is still 161.5MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-03 23:19:09,224 INFO L158 Benchmark]: RCFGBuilder took 381.30ms. Allocated memory is still 161.5MB. Free memory was 101.7MB in the beginning and 87.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-03 23:19:09,224 INFO L158 Benchmark]: TraceAbstraction took 51629.49ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 87.0MB in the beginning and 72.7MB in the end (delta: 14.3MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2021-11-03 23:19:09,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1360.68ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 99.4MB in the beginning and 109.0MB in the end (delta: -9.5MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.45ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 103.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.76ms. Allocated memory is still 161.5MB. Free memory was 103.8MB in the beginning and 101.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.30ms. Allocated memory is still 161.5MB. Free memory was 101.7MB in the beginning and 87.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 51629.49ms. Allocated memory was 161.5MB in the beginning and 232.8MB in the end (delta: 71.3MB). Free memory was 87.0MB in the beginning and 72.7MB in the end (delta: 14.3MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@516a280e de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@516a280e: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e96d8d92db1667c6f6142560a7fad2417327f7e06eb532366f9ad7d4ddd7d1f5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-03 23:19:10,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 23:19:10,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 23:19:10,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 23:19:10,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 23:19:10,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 23:19:10,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 23:19:10,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 23:19:10,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 23:19:10,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 23:19:10,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 23:19:10,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 23:19:10,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 23:19:10,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 23:19:10,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 23:19:10,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 23:19:10,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 23:19:10,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 23:19:10,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 23:19:10,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 23:19:10,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 23:19:10,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 23:19:10,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 23:19:10,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 23:19:10,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 23:19:10,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 23:19:10,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 23:19:10,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 23:19:10,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 23:19:10,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 23:19:10,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 23:19:10,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 23:19:10,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 23:19:10,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 23:19:10,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 23:19:10,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 23:19:10,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 23:19:10,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 23:19:10,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 23:19:10,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 23:19:10,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 23:19:10,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-03 23:19:10,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 23:19:10,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 23:19:10,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 23:19:10,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 23:19:10,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 23:19:10,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 23:19:10,710 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 23:19:10,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 23:19:10,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 23:19:10,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 23:19:10,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 23:19:10,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 23:19:10,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 23:19:10,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 23:19:10,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:19:10,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 23:19:10,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 23:19:10,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 23:19:10,713 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-03 23:19:10,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 23:19:10,713 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 23:19:10,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 23:19:10,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 23:19:10,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 23:19:10,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 23:19:10,714 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e96d8d92db1667c6f6142560a7fad2417327f7e06eb532366f9ad7d4ddd7d1f5 [2021-11-03 23:19:10,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 23:19:10,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 23:19:10,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 23:19:10,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 23:19:10,979 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 23:19:10,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i [2021-11-03 23:19:11,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f4da970/4cf312ce121a456c9b696d294abe12d8/FLAG30f09fc1f [2021-11-03 23:19:11,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 23:19:11,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i [2021-11-03 23:19:11,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f4da970/4cf312ce121a456c9b696d294abe12d8/FLAG30f09fc1f [2021-11-03 23:19:12,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f4da970/4cf312ce121a456c9b696d294abe12d8 [2021-11-03 23:19:12,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 23:19:12,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 23:19:12,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 23:19:12,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 23:19:12,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 23:19:12,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:19:12" (1/1) ... [2021-11-03 23:19:12,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b348fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:12, skipping insertion in model container [2021-11-03 23:19:12,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 11:19:12" (1/1) ... [2021-11-03 23:19:12,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 23:19:12,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 23:19:12,370 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4500,4513] [2021-11-03 23:19:12,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4560,4573] [2021-11-03 23:19:12,387 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:19:12,391 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:19:12,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:12,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:12,985 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:12,986 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:12,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,004 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,007 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,009 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,214 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:19:13,215 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:19:13,216 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:19:13,217 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:19:13,218 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:19:13,219 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:19:13,219 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:19:13,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:19:13,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:19:13,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:19:13,335 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:19:13,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:19:13,366 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 23:19:13,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4500,4513] [2021-11-03 23:19:13,389 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness-1.i[4560,4573] [2021-11-03 23:19:13,390 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 23:19:13,390 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 23:19:13,417 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,419 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,424 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,424 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,425 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,425 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,426 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 23:19:13,460 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 23:19:13,461 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 23:19:13,461 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 23:19:13,462 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 23:19:13,462 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 23:19:13,462 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 23:19:13,463 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 23:19:13,463 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 23:19:13,463 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 23:19:13,464 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 23:19:13,495 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 23:19:13,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 23:19:13,678 INFO L208 MainTranslator]: Completed translation [2021-11-03 23:19:13,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13 WrapperNode [2021-11-03 23:19:13,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 23:19:13,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 23:19:13,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 23:19:13,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 23:19:13,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 23:19:13,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 23:19:13,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 23:19:13,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 23:19:13,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 23:19:13,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 23:19:13,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 23:19:13,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 23:19:13,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (1/1) ... [2021-11-03 23:19:13,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 23:19:13,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 23:19:13,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 23:19:13,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 23:19:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 23:19:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 23:19:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 23:19:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 23:19:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 23:19:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 23:19:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 23:19:14,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 23:19:14,173 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-03 23:19:14,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:19:14 BoogieIcfgContainer [2021-11-03 23:19:14,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 23:19:14,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 23:19:14,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 23:19:14,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 23:19:14,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 11:19:12" (1/3) ... [2021-11-03 23:19:14,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6ab8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:19:14, skipping insertion in model container [2021-11-03 23:19:14,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 11:19:13" (2/3) ... [2021-11-03 23:19:14,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e6ab8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 11:19:14, skipping insertion in model container [2021-11-03 23:19:14,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 11:19:14" (3/3) ... [2021-11-03 23:19:14,180 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_node_reset_harness-1.i [2021-11-03 23:19:14,183 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 23:19:14,183 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-03 23:19:14,213 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 23:19:14,217 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 23:19:14,217 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-03 23:19:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 28 states have (on average 1.5) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 23:19:14,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:14,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:14,229 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:14,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:14,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1935931966, now seen corresponding path program 1 times [2021-11-03 23:19:14,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:14,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408591422] [2021-11-03 23:19:14,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:19:14,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:14,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:14,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:14,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 23:19:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:19:14,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 23:19:14,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:14,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:14,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:19:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:14,441 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:19:14,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408591422] [2021-11-03 23:19:14,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408591422] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 23:19:14,442 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:19:14,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 23:19:14,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105657903] [2021-11-03 23:19:14,444 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-03 23:19:14,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 23:19:14,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:19:14,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 23:19:14,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:19:14,464 INFO L87 Difference]: Start difference. First operand has 31 states, 28 states have (on average 1.5) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:14,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:19:14,530 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2021-11-03 23:19:14,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 23:19:14,533 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-03 23:19:14,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:19:14,537 INFO L225 Difference]: With dead ends: 59 [2021-11-03 23:19:14,537 INFO L226 Difference]: Without dead ends: 26 [2021-11-03 23:19:14,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.05ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 23:19:14,541 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.36ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:14,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 35 Unknown, 0 Unchecked, 0.25ms Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 55.36ms Time] [2021-11-03 23:19:14,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-03 23:19:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-03 23:19:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-11-03 23:19:14,562 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 10 [2021-11-03 23:19:14,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:19:14,563 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-11-03 23:19:14,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-03 23:19:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 23:19:14,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:14,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:14,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 23:19:14,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-03 23:19:14,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:14,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:14,777 INFO L85 PathProgramCache]: Analyzing trace with hash 712013687, now seen corresponding path program 1 times [2021-11-03 23:19:14,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:14,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826248051] [2021-11-03 23:19:14,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:19:14,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:14,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:14,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:14,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 23:19:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:19:14,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 23:19:14,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:14,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:19:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:14,977 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:19:14,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826248051] [2021-11-03 23:19:14,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826248051] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 23:19:14,978 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:19:14,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 23:19:14,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186765816] [2021-11-03 23:19:14,978 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-03 23:19:14,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 23:19:14,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:19:14,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 23:19:14,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:19:14,980 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:15,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:19:15,096 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2021-11-03 23:19:15,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 23:19:15,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 23:19:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:19:15,098 INFO L225 Difference]: With dead ends: 49 [2021-11-03 23:19:15,098 INFO L226 Difference]: Without dead ends: 28 [2021-11-03 23:19:15,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.77ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:19:15,099 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.50ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:15,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 89 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 107.50ms Time] [2021-11-03 23:19:15,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-03 23:19:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-11-03 23:19:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-11-03 23:19:15,103 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 13 [2021-11-03 23:19:15,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:19:15,103 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-11-03 23:19:15,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-03 23:19:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 23:19:15,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:15,104 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:15,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-03 23:19:15,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-03 23:19:15,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:15,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:15,315 INFO L85 PathProgramCache]: Analyzing trace with hash -845820041, now seen corresponding path program 1 times [2021-11-03 23:19:15,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:15,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438386893] [2021-11-03 23:19:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:19:15,315 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:15,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:15,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:15,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 23:19:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:19:15,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 23:19:15,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:15,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:19:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:15,635 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:19:15,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438386893] [2021-11-03 23:19:15,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438386893] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:19:15,636 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 23:19:15,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-03 23:19:15,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238173421] [2021-11-03 23:19:15,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-03 23:19:15,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 23:19:15,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:19:15,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 23:19:15,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 23:19:15,637 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:16,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:19:16,013 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2021-11-03 23:19:16,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 23:19:16,014 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 23:19:16,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:19:16,014 INFO L225 Difference]: With dead ends: 53 [2021-11-03 23:19:16,014 INFO L226 Difference]: Without dead ends: 32 [2021-11-03 23:19:16,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 251.56ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-03 23:19:16,016 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.64ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:16,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 133 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 230.64ms Time] [2021-11-03 23:19:16,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-03 23:19:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-03 23:19:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.2) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2021-11-03 23:19:16,020 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 15 [2021-11-03 23:19:16,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:19:16,020 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2021-11-03 23:19:16,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-03 23:19:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 23:19:16,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:16,021 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:16,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 23:19:16,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-03 23:19:16,233 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1652654217, now seen corresponding path program 2 times [2021-11-03 23:19:16,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:16,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939588785] [2021-11-03 23:19:16,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 23:19:16,234 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:16,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:16,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 23:19:16,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-03 23:19:16,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 23:19:16,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 23:19:16,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-03 23:19:16,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:19:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-03 23:19:16,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:19:16,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939588785] [2021-11-03 23:19:16,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939588785] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 23:19:16,404 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 23:19:16,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 23:19:16,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876678633] [2021-11-03 23:19:16,405 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-03 23:19:16,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 23:19:16,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:19:16,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 23:19:16,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:19:16,406 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:16,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:19:16,511 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2021-11-03 23:19:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 23:19:16,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-03 23:19:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:19:16,512 INFO L225 Difference]: With dead ends: 75 [2021-11-03 23:19:16,512 INFO L226 Difference]: Without dead ends: 60 [2021-11-03 23:19:16,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.72ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 23:19:16,513 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 42 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.81ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.31ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:16,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 0 Invalid, 80 Unknown, 0 Unchecked, 0.81ms Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 97.31ms Time] [2021-11-03 23:19:16,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-03 23:19:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 40. [2021-11-03 23:19:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2021-11-03 23:19:16,518 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 19 [2021-11-03 23:19:16,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:19:16,518 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2021-11-03 23:19:16,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2021-11-03 23:19:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 23:19:16,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:16,519 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:16,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-03 23:19:16,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-03 23:19:16,719 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1651045503, now seen corresponding path program 1 times [2021-11-03 23:19:16,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:16,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394188914] [2021-11-03 23:19:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 23:19:16,721 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:16,722 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:16,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 23:19:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 23:19:16,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 23:19:16,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:16,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:19:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:17,467 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:19:17,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394188914] [2021-11-03 23:19:17,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394188914] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:19:17,467 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 23:19:17,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-03 23:19:17,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173834773] [2021-11-03 23:19:17,468 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-03 23:19:17,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-03 23:19:17,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:19:17,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-03 23:19:17,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-03 23:19:17,469 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:18,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:19:18,844 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2021-11-03 23:19:18,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-03 23:19:18,846 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-03 23:19:18,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:19:18,847 INFO L225 Difference]: With dead ends: 77 [2021-11-03 23:19:18,847 INFO L226 Difference]: Without dead ends: 48 [2021-11-03 23:19:18,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1383.24ms TimeCoverageRelationStatistics Valid=174, Invalid=288, Unknown=0, NotChecked=0, Total=462 [2021-11-03 23:19:18,849 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 411.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.78ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 474.56ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:18,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 301 Unknown, 0 Unchecked, 2.78ms Time], IncrementalHoareTripleChecker [13 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 474.56ms Time] [2021-11-03 23:19:18,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-03 23:19:18,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-11-03 23:19:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.173913043478261) internal successors, (54), 47 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2021-11-03 23:19:18,865 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 19 [2021-11-03 23:19:18,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:19:18,866 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2021-11-03 23:19:18,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2021-11-03 23:19:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 23:19:18,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:18,867 INFO L514 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:18,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 23:19:19,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-03 23:19:19,078 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:19,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:19,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1574988673, now seen corresponding path program 2 times [2021-11-03 23:19:19,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:19,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105993434] [2021-11-03 23:19:19,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-03 23:19:19,080 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:19,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:19,081 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:19,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 23:19:19,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-03 23:19:19,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 23:19:19,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 23:19:19,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:19,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:19:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:21,433 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:19:21,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105993434] [2021-11-03 23:19:21,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105993434] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:19:21,434 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 23:19:21,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-03 23:19:21,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468006582] [2021-11-03 23:19:21,434 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-03 23:19:21,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-03 23:19:21,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:19:21,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-03 23:19:21,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2021-11-03 23:19:21,436 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 23:19:22,563 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2021-11-03 23:19:22,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 23:19:22,563 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-03 23:19:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 23:19:22,564 INFO L225 Difference]: With dead ends: 78 [2021-11-03 23:19:22,564 INFO L226 Difference]: Without dead ends: 49 [2021-11-03 23:19:22,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1935.60ms TimeCoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2021-11-03 23:19:22,565 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 930.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.92ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1105.62ms IncrementalHoareTripleChecker+Time [2021-11-03 23:19:22,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 740 Unknown, 0 Unchecked, 2.92ms Time], IncrementalHoareTripleChecker [14 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1105.62ms Time] [2021-11-03 23:19:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-03 23:19:22,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-03 23:19:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2021-11-03 23:19:22,571 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 27 [2021-11-03 23:19:22,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 23:19:22,571 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2021-11-03 23:19:22,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:19:22,572 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2021-11-03 23:19:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 23:19:22,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 23:19:22,572 INFO L514 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 23:19:22,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 23:19:22,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-03 23:19:22,773 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 23:19:22,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 23:19:22,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1757952447, now seen corresponding path program 3 times [2021-11-03 23:19:22,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-03 23:19:22,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677831090] [2021-11-03 23:19:22,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 23:19:22,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 23:19:22,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-03 23:19:22,776 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 23:19:22,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 23:19:23,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-11-03 23:19:23,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 23:19:23,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-03 23:19:23,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 23:19:23,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-03 23:19:23,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-11-03 23:19:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-11-03 23:19:23,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2021-11-03 23:19:23,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 67 [2021-11-03 23:19:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 80 [2021-11-03 23:19:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:23,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 95 [2021-11-03 23:19:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 110 [2021-11-03 23:19:24,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-11-03 23:19:24,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:24,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 137 [2021-11-03 23:19:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 150 [2021-11-03 23:19:25,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:25,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 165 [2021-11-03 23:19:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:26,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 178 [2021-11-03 23:19:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 23:19:27,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 193 [2021-11-03 23:19:29,126 INFO L354 Elim1Store]: treesize reduction 1424, result has 8.1 percent of original size [2021-11-03 23:19:29,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 105 case distinctions, treesize of input 138 treesize of output 176 [2021-11-03 23:19:31,477 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-11-03 23:19:31,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 142 treesize of output 50 [2021-11-03 23:19:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:19:31,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 23:21:14,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 982506 treesize of output 982502 [2021-11-03 23:21:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 23:21:44,202 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-03 23:21:44,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [677831090] [2021-11-03 23:21:44,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [677831090] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 23:21:44,202 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 23:21:44,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2021-11-03 23:21:44,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561123957] [2021-11-03 23:21:44,203 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-03 23:21:44,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-03 23:21:44,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-03 23:21:44,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-03 23:21:44,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=1030, Unknown=4, NotChecked=0, Total=1332 [2021-11-03 23:21:44,206 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 37 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 23:21:45,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:21:59,608 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse10 (store .cse5 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse7 (store .cse10 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse12 (store .cse7 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse14 (store .cse12 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse13 (store .cse14 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse4))) (let ((.cse0 (store .cse13 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse4))) (let ((.cse6 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse8 (store .cse6 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse1 (store .cse8 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse9 (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse11 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv11 64)) .cse4))) (let ((.cse3 (store .cse11 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv12 64)) .cse4)) (.cse2 (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 32) (select .cse2 (bvadd (_ bv8 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse3 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv13 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv4 64))) (_ bv0 32)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv5 64))) (_ bv0 32)) (= (_ bv0 32) (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv7 64)))) (= (_ bv0 32) (select .cse2 (bvadd (_ bv14 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd (_ bv10 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 32)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv1 64))) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv12 64))) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse11) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset) (_ bv0 32)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv9 64))) (_ bv0 32)) (= (select .cse2 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse12) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse13) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv6 64))) (_ bv0 32)) (= (_ bv0 32) (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv2 64)))) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv13 64))) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse14) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv11 64))) (_ bv0 32))))))))))))))))) is different from false [2021-11-03 23:22:01,626 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse5 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse10 (store .cse5 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse7 (store .cse10 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse12 (store .cse7 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse14 (store .cse12 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse13 (store .cse14 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse4))) (let ((.cse0 (store .cse13 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse4))) (let ((.cse6 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse8 (store .cse6 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse1 (store .cse8 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse9 (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse11 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv11 64)) .cse4))) (let ((.cse3 (store .cse11 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv12 64)) .cse4)) (.cse2 (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 32) (select .cse2 (bvadd (_ bv8 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse3 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv13 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv4 64))) (_ bv0 32)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv5 64))) (_ bv0 32)) (= (_ bv0 32) (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv7 64)))) (= (_ bv0 32) (select .cse2 (bvadd (_ bv14 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd (_ bv10 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 32)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv1 64))) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv12 64))) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse11) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset) (_ bv0 32)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv9 64))) (_ bv0 32)) (= (select .cse2 (bvadd (_ bv3 64) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse12) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse13) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv6 64))) (_ bv0 32)) (= (_ bv0 32) (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv2 64)))) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv13 64))) (_ bv0 32)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse14) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (select .cse2 (bvadd c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset (_ bv11 64))) (_ bv0 32))))))))))))))))) is different from true [2021-11-03 23:22:03,641 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse9 (store .cse2 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse4 (store .cse9 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse10 (store .cse4 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse12 (store .cse10 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse11 (store .cse12 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse6))) (let ((.cse0 (store .cse11 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse6))) (let ((.cse3 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse7 (store .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse1 (store .cse7 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse8 (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse5 (store .cse8 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv11 64)) .cse6))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse2) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse5 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv12 64)) .cse6)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse11) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse12) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)))))))))))))))) is different from false [2021-11-03 23:22:05,657 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse9 (store .cse2 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse4 (store .cse9 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse10 (store .cse4 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse12 (store .cse10 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse11 (store .cse12 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse6))) (let ((.cse0 (store .cse11 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse6))) (let ((.cse3 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse7 (store .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse1 (store .cse7 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse8 (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse5 (store .cse8 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv11 64)) .cse6))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse2) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse5 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv12 64)) .cse6)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse11) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse12) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)))))))))))))))) is different from true [2021-11-03 23:22:07,672 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse7 (store .cse2 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse4 (store .cse7 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse9 (store .cse4 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse11 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse10 (store .cse11 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse8))) (let ((.cse0 (store .cse10 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse8))) (let ((.cse3 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse5 (store .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse1 (store .cse5 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse6 (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse2) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse6 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv11 64)) .cse8)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse11) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8))))))))))))))) is different from false [2021-11-03 23:22:09,685 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse7 (store .cse2 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse4 (store .cse7 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse9 (store .cse4 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse11 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse10 (store .cse11 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse8))) (let ((.cse0 (store .cse10 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse8))) (let ((.cse3 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse5 (store .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse1 (store .cse5 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (let ((.cse6 (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse8))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse2) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse6 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv11 64)) .cse8)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse11) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8))))))))))))))) is different from true [2021-11-03 23:22:10,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:12,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:14,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:16,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:18,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:21,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:23,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:24,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:27,636 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse2 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse7 (store .cse2 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse4 (store .cse7 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse8 (store .cse4 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse10 (store .cse8 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse9 (store .cse10 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse6))) (let ((.cse0 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse6))) (let ((.cse3 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse5 (store .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (let ((.cse1 (store .cse5 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse2) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse1 (bvadd (_ bv10 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse6)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse10) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)))))))))))))) is different from true [2021-11-03 23:22:28,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:33,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:36,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:38,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:40,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:42,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:22:44,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:31,974 WARN L210 SmtUtils]: Spent 7.94s on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2021-11-03 23:23:33,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:38,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:40,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:42,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:44,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:46,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:48,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:23:49,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:24:15,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:24:17,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:24:56,270 WARN L210 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 87 DAG size of output: 47 [2021-11-03 23:24:59,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:03,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:12,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:15,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:41,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:42,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:46,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:25:55,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:26:16,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:26:20,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:26:25,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:26:28,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:26:30,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:27:33,223 WARN L210 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 103 DAG size of output: 58 [2021-11-03 23:27:35,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:28:25,536 WARN L210 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2021-11-03 23:28:32,888 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse6 (store .cse3 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse5 (store .cse6 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse7 (store .cse5 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse9 (store .cse7 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse8 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse2))) (let ((.cse0 (store .cse8 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse2))) (let ((.cse4 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse1 (store .cse4 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse1 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_is_mem_zeroed_~buf_u8~0.base) (bvadd c_ULTIMATE.start_aws_is_mem_zeroed_~i~0 c_ULTIMATE.start_aws_is_mem_zeroed_~buf_u8~0.offset))) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (_ bv0 8) |c_ULTIMATE.start_aws_is_mem_zeroed_#t~mem50|) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8))))))))))))) is different from false [2021-11-03 23:28:34,900 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse3 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse6 (store .cse3 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse5 (store .cse6 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse7 (store .cse5 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse9 (store .cse7 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse8 (store .cse9 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse2))) (let ((.cse0 (store .cse8 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse2))) (let ((.cse4 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (let ((.cse1 (store .cse4 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse1 (bvadd (_ bv9 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse2)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse4) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_is_mem_zeroed_~buf_u8~0.base) (bvadd c_ULTIMATE.start_aws_is_mem_zeroed_~i~0 c_ULTIMATE.start_aws_is_mem_zeroed_~buf_u8~0.offset))) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (_ bv0 8) |c_ULTIMATE.start_aws_is_mem_zeroed_#t~mem50|) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse9) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8))))))))))))) is different from true [2021-11-03 23:29:11,754 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) |c_ULTIMATE.start_#Ultimate.C_memset_#value|)))) (let ((.cse1 (store (select |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base|) (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse5 (store .cse1 (bvadd (_ bv1 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse3 (store .cse5 (bvadd (_ bv2 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse6 (store .cse3 (bvadd (_ bv3 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse8 (store .cse6 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv4 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (let ((.cse7 (store .cse8 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv5 64)) .cse4))) (let ((.cse0 (store .cse7 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset| (_ bv6 64)) .cse4))) (let ((.cse2 (store .cse0 (bvadd |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| (_ bv7 64) |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4))) (and (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse0) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse1) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse2) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse3) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| (store .cse2 (bvadd (_ bv8 64) |c_ULTIMATE.start_#Ultimate.C_memset_#t~loopctr680| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.offset|) .cse4)) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse5) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= ((_ extract 7 0) (select (select |c_#memory_int| c_ULTIMATE.start_aws_is_mem_zeroed_~buf_u8~0.base) (bvadd c_ULTIMATE.start_aws_is_mem_zeroed_~i~0 c_ULTIMATE.start_aws_is_mem_zeroed_~buf_u8~0.offset))) (_ bv0 8)) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse6) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)) (= (_ bv0 8) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse7) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset))) (= (_ bv0 8) |c_ULTIMATE.start_aws_is_mem_zeroed_#t~mem50|) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_ULTIMATE.start_#Ultimate.C_memset_#ptr.base| .cse8) c_ULTIMATE.start_aws_linked_list_node_reset_~node.base) c_ULTIMATE.start_aws_linked_list_node_reset_~node.offset)) (_ bv0 8)))))))))))) is different from false [2021-11-03 23:30:11,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:10,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:12,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:13,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:14,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:18,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:24,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:31:25,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:32:14,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:32:16,916 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:32:21,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:32:25,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 23:32:31,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15